Grandstream Networks GVR3552 User manual

GVR3550/GVR3552 User Manual www.grandstream.com
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Grandstream Networks, Inc.
GVR3550/GVR3552 Network Video Recorder
User Manual

GVR3550/GVR3552 USER MANUAL Page 1of 121
Firmware version: 1.0.0.72 Last Updated: 09/2015
GVR3550/GVR3552 User Guide
Index
CHANGE LOG............................................................................................................. 9
GVR3550................................................................................................................................................... 9
GVR3552................................................................................................................................................... 9
WELCOME................................................................................................................. 10
PRODUCT FEATURES.........................................................................................................................10
SAFETY COMPLIANCE........................................................................................................................11
FCC CAUTION....................................................................................................................................... 11
RF EXPOSURE INFORMATION (SAR).............................................................................................12
WARRANTY............................................................................................................................................12
INSTALL GVR3550/GVR3552................................................................................14
GVR3550/GVR3552 EQUIPMENT PACKAGE................................................................................. 14
GVR3550 PRODUCT APPEARANCE................................................................................................15
GVR3552 PRODUCT APPEARANCE................................................................................................18
INSTALLING GVR3550 HDD....................................................................................................... 19
INSTALLING GVR3552 HDD....................................................................................................... 20
CONNECT GVR3550/GVR3552..................................................................................................21
NETWORK CONNECTION...........................................................................................................23
EXTERNAL USB DEVICE.............................................................................................................23
INSTALLING eSATA......................................................................................................................24
CONNECT HDMI MONITOR........................................................................................................24
CONNECT VGA MONITOR..........................................................................................................24
CONNECT ALARM DEVICE........................................................................................................ 24
EXTERNAL INTERCOM DEVICE............................................................................................... 26
PRODUCT OVERVIEW............................................................................................28
GVR3550/GVR3552 SPECIFICATIONS............................................................................................ 28
IR REMOTE CONTROL........................................................................................................................30
INPUT METHOD.................................................................................................................................... 32
LOCAL OPERATIONS.................................................................................................34
USING THE WIZARD............................................................................................................................ 34
LOGIN...................................................................................................................................................... 34
LOCAL PREVIEW.......................................................................................................................... 36
PREVIEW STATUS........................................................................................................................36
BASIC PREVIEW OPERATION...................................................................................................37
IMAGE CONFIG............................................................................................................................. 38

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Firmware version: 1.0.0.72 Last Updated: 09/2015
PTZ CONTROL...............................................................................................................................39
RIGHT-CLICK................................................................................................................................. 43
SHORTCUT BUTTON................................................................................................................... 45
LOCAL PLAYBACK................................................................................................................................45
SEARCH RECORD........................................................................................................................46
VIDEO PLAYBACK........................................................................................................................ 48
MAIN MENU............................................................................................................... 52
SETTINGS...............................................................................................................................................52
CAMERA MANAGEMENT............................................................................................................ 52
SCHEDULE..................................................................................................................................... 59
ALARM CONFIG.............................................................................................................................66
NETWORK SETTINGS................................................................................................................. 68
SYSTEM SETTINGS..................................................................................................................... 73
MAINTENANCE......................................................................................................................................85
UPGRADE....................................................................................................................................... 85
BACKUP...........................................................................................................................................86
RESET & REBOOT........................................................................................................................88
IMPORT & EXPORT...................................................................................................................... 89
TROUBLESHOOTING...................................................................................................................91
STATUS................................................................................................................................................... 94
RECORDING INFO........................................................................................................................95
SYSTEM INFO................................................................................................................................96
NETWORK INFO............................................................................................................................96
RESOURCE USAGE..................................................................................................................... 97
ALARM INFO...................................................................................................................................98
HDD INFO........................................................................................................................................99
LOGOUT........................................................................................................................................100
WEB MANAGEMENT............................................................................................ 101
OVERVIEW...........................................................................................................................................101
SYSTEM LOGIN.................................................................................................................................. 101
WEB PAGE INTRODUCTION............................................................................................................102
LIVE VIEW.....................................................................................................................................102
PLAYBACK....................................................................................................................................105
SETTINGS.....................................................................................................................................105
FIRMWARE UPDATE............................................................................................ 109
MANUAL UPGRADE........................................................................................................................... 109
UPGRADE VIA TFTP FIRMWARE SERVER.................................................................................. 110
CONFIGURING TFTP SERVER................................................................................................110
UPGRADE FIRMWARE WITH TFTP SERVER...................................................................... 111
UPGRADE VIA HTTP/HTTPS FIRMWARE SERVER........................................................... 111

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Firmware version: 1.0.0.72 Last Updated: 09/2015
CONFIGURING HTTP SERVER............................................................................................... 111
UPGRADE FIRMWARE WITH HTTP SERVER..............................................................................112
FACTORY RESET.................................................................................................. 113
RESET VIA LOCAL GUI......................................................................................................................113
RESET VIA WEB PAGE......................................................................................................................113
RESET VIA BUTTON.......................................................................................................................... 114
EXPERIENCING GVR3550/GVR3552................................................................115
APPENDIX................................................................................................................116
FAQs...................................................................................................................................................... 116
RECORDING TIME CALCULATION.................................................................................................119

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Firmware version: 1.0.0.72 Last Updated: 09/2015
Table of Figures
GVR3550/GV33552 User Guide
Figure 1 GVR3550 Front Panel..................................................................................................................................15
Figure 2 GVR3550 Back Panel.................................................................................................................................. 16
Figure 3 GVR3552 Front Panel..................................................................................................................................18
Figure 4 GVR3552 Back Panel.................................................................................................................................. 18
Figure 5 GVR3550 HDD Installation Diagram......................................................................................................... 20
Figure 6 Connect GVR3550 Diagram....................................................................................................................... 22
Figure 7 Connect GVR3552 Diagram....................................................................................................................... 22
Figure 8 Connect Input/Output Device With Phoenix............................................................................................. 25
Figure 9 Alarm Device Connection Diagram............................................................................................................26
Figure 10 IR Remote Control......................................................................................................................................30
Figure 11 Soft Keyboard—English Input Method.................................................................................................... 32
Figure 12 Soft Keyboard—Chinese Input Method.................................................................................................. 32
Figure 13 Soft Keyboard—Symbols and Numbers................................................................................................. 33
Figure 14 Soft Keyboard—Numeric Keyboard........................................................................................................ 33
Figure 15 Local Login Page........................................................................................................................................ 35
Figure 16 Live Preiew Page–Right Click Menu........................................................................................................35
Figure 17 Abnormal Alarm Prompt............................................................................................................................ 37
Figure 18 Basic Preview Operations......................................................................................................................... 37
Figure 19 Image Config Page.....................................................................................................................................39
Figure 20 PTZ Control Page.......................................................................................................................................39
Figure 21 PTZ Control Page—Preset....................................................................................................................... 41
Figure 22 PTZ Control Page—Patrol........................................................................................................................ 42
Figure 23 PTZ Control Page—Pattern...................................................................................................................... 43
Figure 24 Right Click Mouse Menu............................................................................................................................44
Figure 25 Preview Page Shortcut Button Menu...................................................................................................... 45
Figure 26 Video Playback Page................................................................................................................................. 46
Figure 27 Video Playback—Video Status Toolbar.................................................................................................. 46
Figure 28 Video Playback—Search by Tag............................................................................................................. 47
Figure 29 Tag Management Page............................................................................................................................. 48
Figure 30 Video Playback Toolbar.............................................................................................................................48
Figure 31 Save Snapshot Failed Prompt ................................................................................................................50
Figure 32 Tagging Management Page......................................................................................................................50
Figure 33 Locked Video Management Page ..........................................................................................................50
Figure 34 Video Save Path Setting Page ............................................................................................................... 51
Figure 35 Main Menu Page.........................................................................................................................................52
Figure 36 Search Camera Page................................................................................................................................ 53

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Figure 37 Manual Add Camera Page—Add Camera ........................................................................................... 54
Figure 38 Manual Add Camera Page—Add DVS................................................................................................... 54
Figure 39 Record Mode Config Page........................................................................................................................56
Figure 40 Record Mode Settings Page.....................................................................................................................56
Figure 41 Camera Event Settings Page................................................................................................................... 57
Figure 42 Encoding Config Page............................................................................................................................... 58
Figure 43 Schedule Config Page............................................................................................................................... 60
Figure 44 Add New Schedule Page.......................................................................................................................... 61
Figure 45 Schedule Config—Add New Schedule—Copy to Other Period.......................................................... 62
Figure 46 Schedule Details Page.............................................................................................................................. 63
Figure 47 Holiday Config Page.................................................................................................................................. 64
Figure 48 Add New Holiday Page..............................................................................................................................65
Figure 49 Add New Holiday Editing Page................................................................................................................ 65
Figure 50 Holiday Details Page..................................................................................................................................66
Figure 51 IO Alarm Config Page................................................................................................................................ 67
Figure 52 Abnormal Alarm Config Page................................................................................................................... 68
Figure 53 Network Settings—Basic Settings Page.................................................................................................69
Figure 54 Network Settings—Advanced Settings Page......................................................................................... 70
Figure 55 Specify UPnP External Port Page............................................................................................................71
Figure 56 Security Settings Page ............................................................................................................................ 72
Figure 57 System Settings Page—Basic Settings Page........................................................................................73
Figure 58 System Settings Page—Date & Time..................................................................................................... 75
Figure 59 System Settings Page—Display Settings...............................................................................................76
Figure 60 System Settings Page—Email Settings.................................................................................................. 77
Figure 61 System Settings Page—Local View Control.......................................................................................... 78
Figure 62 Local View Control—Apply Camera........................................................................................................ 79
Figure 63 System Settings Page—HDD Management.......................................................................................... 79
Figure 64 HDD Management—Add new Volume....................................................................................................80
Figure 65 HDD Management—Edit Volume Property............................................................................................ 80
Figure 66 System Settings Page—User Management...........................................................................................81
Figure 67 User Management—Add User................................................................................................................. 82
Figure 68 User Management—Edit User..................................................................................................................83
Figure 69 User Management—Edit Normal User....................................................................................................83
Figure 70 User Management—Edit Operator User.................................................................................................84
Figure 71 System Settings Page—NTP Server.......................................................................................................85
Figure 72 Backup Page—Record Backup................................................................................................................86
Figure 73 Backup Page—Quick Backup Page........................................................................................................ 87
Figure 74 Backup Page—Quick Backup Progress Bar.......................................................................................... 87

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Firmware version: 1.0.0.72 Last Updated: 09/2015
Figure 75 Backup Page—Search Backup................................................................................................................ 88
Figure 76 Reset & Reboot Page................................................................................................................................ 89
Figure 77 Import & Export Page.................................................................................................................................90
Figure 78 Network Diagnosis Page........................................................................................................................... 91
Figure 79 S.M.A.R.T. Detection Page.......................................................................................................................92
Figure 80 HDD Bad Sector Detection Page.............................................................................................................93
Figure 81 System Log Page....................................................................................................................................... 94
Figure 82 Recording Info Page.................................................................................................................................. 95
Figure 83 System Info Page....................................................................................................................................... 96
Figure 84 Network Info Page...................................................................................................................................... 97
Figure 85 Resource Usage Page...............................................................................................................................98
Figure 86 Alarm Info Page.......................................................................................................................................... 99
Figure 87 HDD Info Page..........................................................................................................................................100
Figure 88 Web Page—Login.................................................................................................................................... 101
Figure 89 Web Page—Menu.................................................................................................................................... 102
Figure 90 Web Live View Page................................................................................................................................103
Figure 91 Web Playback Page.................................................................................................................................105
Figure 92 Web Page—Basic Settings.....................................................................................................................106
Figure 93 Web Page—Maintenance Menu............................................................................................................ 107
Figure 94 Web Page—Debug Log.......................................................................................................................... 107
Figure 95 Manual Upgrade Page.............................................................................................................................109
Figure 96 Configure Dialog.......................................................................................................................................110
Figure 97 TFTP Server Directory Settings............................................................................................................. 111
Figure 98 Factory Reset on GUI Page....................................................................................................................113
Figure 99 Factory Reset on Web Page.................................................................................................................. 114

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Firmware version: 1.0.0.72 Last Updated: 09/2015
Table of Tables
GVR3550/GVR3552 User Guide
Table 1 GVR3550 Package List.................................................................................................................................14
Table 2 GVR3552 Package List.................................................................................................................................14
Table 3 Optional Equipment List................................................................................................................................ 15
Table 4 GVR3550 Front Panel Buttons Explanation.............................................................................................. 15
Table 5 GVR3552 Back Panel Buttons Explanation...............................................................................................17
Table 6 GVR3552 Power Indicator Explanation...................................................................................................... 18
Table 7 GVR3550/GVR3552 Software Specifications............................................................................................28
Table 8 GVR3550/GVR3552 Hardware Specifications.......................................................................................... 29
Table 9 GVR3550 Remote Control Icons Explanation........................................................................................... 30
Table 10 Soft Keyboard Specifications..................................................................................................................... 33
Table 11 Preview Page–Camera Status Explanation...........................................................................................36
Table 12 Preview Status Explanation........................................................................................................................36
Table 13 Abnormal Alarm Explanation......................................................................................................................37
Table 14 Basic Preview Operations Explanation.................................................................................................... 37
Table 15 PTZ Control Parameters Explanation.......................................................................................................39
Table 16 Right Click Mouse Menu Parameters Explanation................................................................................. 44
Table 17 Video Status Parameters Explanation......................................................................................................47
Table 18 Video Playback Toolbar Explanation........................................................................................................ 48
Table 19 Camera Parameters Setting Explanation.................................................................................................54
Table 20 DVS Parameters Setting Explanation.......................................................................................................55
Table 21 Record Mode Config Parameters Explanation........................................................................................56
Table 22 Camera Events Settings parameters Explanation..................................................................................57
Table 23 Camera Alarm Parameters Explanation...................................................................................................58
Table 24 Encoding Config Parameters Explanation............................................................................................... 59
Table 25 IO Alarm Config Parameters Explanation................................................................................................ 67
Table 26 Abnormal Alarm Parameters Explanation................................................................................................68
Table 27 Basic Network Parameters Explanation................................................................................................... 69
Table 28 GVR3550 Basic System Setting Parameters Explanation.................................................................... 73
Table 29 System Settings Page—Date & Time Parameters Explanation...........................................................75
Table 30 System Settings Page—Display Settings Parameters.......................................................................... 76
Table 31 Email Template Parameters Specifications.............................................................................................77
Table 32 System Settings Page—HDD Management Parameters Explanation................................................ 79
Table 33 Edit Volume Property Parameters Explanation.......................................................................................81
Table 34 Upgrade Parameters Explanation............................................................................................................. 85
Table 35 Import & Export Parameters Explanation.................................................................................................90

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Table 36 Network Diagnose Parameters Explanation............................................................................................91
Table 37 HDD S.M.A.R.T Detection Parameters Explanation.............................................................................. 92
Table 38 HDD Bad Sector Detection Parameters Explanation.............................................................................93
Table 39 System Log Parameters Explanation....................................................................................................... 94
Table 40 Device Status Parameters Explanation....................................................................................................98
Table 41 Remote Preview Operation Explanation................................................................................................ 103
Table 42 Remote Preview Camera Specifications................................................................................................104
Table 43 Debug Log Parameters Explanation.......................................................................................................107

GVR3550/GVR3552 USER MANUAL Page 9of 121
Firmware version: 1.0.0.72 Last Updated: 09/2015
CHANGE LOG
Only major new features or major document of the GVR3550/GVR3552 updates are listed here. Minor
updates for corrections or editing are not documented here.
GVR3550
Firmware Version: 1.0.10.72
This is the initial version.
GVR3552
Firmware Version: 1.0.10.72
This is the initial version.

GVR3550/GVR3552 User Manual Page 10 of 121
WELCOME
Thank you for purchasing Grandstream GVR3550/GVR3552 NVR (Network Video Recorder).
GVR3550/GVR3552 is a next generation of high performance, high capacity network video recorder
appliance. It offers small to medium-size businesses, cost-effective, all-in-one recording solution for IP
cameras. GVR3550/GVR3552 integrates storage management, event indexing and searching, and
local/remote playback into an easy to use appliance.
This user manual is designed to help customers to understand how to configure and manage the
GVR3550/GVR3552 with detailed instruction including advanced settings and operating, such as alarm
settings and record settings.
PRODUCT FEATURES
24 cameras 720P HD or 14 cameras 1080p HD audio/video real-time recording.
Multi-cameras simultaneous remote playback, digital zoom in full screen mode, and up to 24
cameras simultaneous remote preview.
Supporting Grandstream GXV36xx cameras and 3rd party ONVIF compliant cameras.
Automatic discovery for IP cameras on the local network.
Fully customizable recording rules: time based, event based or manual.
Patent-pending storage system design that is resilient against power interruptions.
Automatic recording resume on system boot up after power failure.
Automatic recycle of recording files when the storage is full.
Complete security features including access control, event alarm, system logs and encrypted
recording file.
Easy-to-use search features based on date time, event, camera and types.
Recording backup to USB or eSATA external drives or network/cloud storage.
1 RJ45 10M/100M/1000M network interface.
1 HDMI and 1 VGA output for FHD local playback.
Supporting up to 4 SATA hard drives and 1 eSATA with with RAID 0 and RAID 1configuration.

GVR3550/GVR3552 User Manual Page 11 of 121
SAFETY COMPLIANCE
These instructions are intended to assist users with the operation of the GVR3550/GVR3552, avoid
dangerous situations or damage the device.
Warning：May cause serious injury or death if any of
the warnings below are neglected.
Caution:Equipment may be damaged if any of the
following caution messages are neglected.
Warning:
Input voltage should meet both the SELV (Safety Extra Low Voltage) and the Limited Power Source with DC
12V according to the IEC60950-1 standard. Please refer to the technical specifications for more details. Do not
use a third-party power adapter or power cord. When the device installed on the wall or ceiling, make sure that
it is firmly attached.
Caution:
Make sure that the power supply voltage is correct before using the camera.
Do not drop the device or expose it to physical shock.
Do not expose the device to temperatures outside the range of 0 oC to +50oC when the device is in
operation.
Do not expose the device to damp/wet conditions or high electromagnetism radiation.
To avoid heat accumulation, make sure that your operating environment has proper ventilation.
Do not damage the warranty sticker.
A few parts (e.g. electrolytic capacitor) of the equipment shall be replaced regularly according to their
average lifetime. The average lifetime varies from the differences between operating environments and usage
history. Regular maintenance checks are recommended for all users. Please contact your dealer for more
details.
FCC CAUTION
Any Changes or modifications not expressly approved by the party responsible for compliance could void
the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules. Operation
is subject to the following two conditions:
1) This device may not cause harmful interference.
2) This device must accept any interference received, including interference that may cause undesired

GVR3550/GVR3552 User Manual Page 12 of 121
operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
RF EXPOSURE INFORMATION (SAR)
This device is designed and manufactured not to be exceeded the emission limits for exposure to radio
frequency RF energy set by the Federal Communications Commission of the United States. The exposure
standard for wireless devices employing a unit of measurement is known as the Specific Absorption Rate
(SAR), and the SAR limit set by FCC is 1.6 W/kg.
This device is complied with SAR for general population/uncontrolled exposure limits in ANSI/IEEE
C95.1-1992, and has been tested in accordance with the measurement methods and procedures specified in
OET Bulletin 65 Supplement C. This device has been tested, and meets the FCC RF exposure guidelines
when tested with the device directly contacted to the body. RF exposure compliance with anybody-worn
accessory, which contains metal, was not tested and certified, and uses such body-worn accessory, should be
avoided.
Changes or modifications not expressly approved by the party responsible for compliance could void the
user’s authority to operate the equipment.
Hereby, Grandstream declares that this device is in compliance with the essential requirements and other
relevant provisions of Directive 1999/5/EC.
WARRANTY
If the GVR3550/GVR3552 was purchased from a reseller, please contact the company where the device was
purchased for replacement, repair or refund.
If the device was purchased directly from Grandstream, please contact our technical support team for a RMA
(Return Materials Authorization) number before the product is returned.
Grandstream reserves the right to remedy warranty policy without prior notification.

GVR3550/GVR3552 User Manual Page 13 of 121
Caution:
Changes or modifications to this product not expressly approved by Grandstream, or operation of this
product in any way other than as detailed by this User Manual, could void your manufacturer warranty.
Warning:
Please do not use a different power adaptor with the GVR3550/GVR3552 as it may cause damage to the
products and void the manufacturer warranty.
This document is subject to change without notice. The latest electronic version of this user manual is
available for download at:
http://www.grandstream.com/products/surveillance/GVR3550/documents/GVR3550_UM_EN.pdf
http://www.grandstream.com/products/surveillance/GVR3550/documents/GVR3550_UM_EN.pdf
Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, for
any purpose is not permitted without the express written permission of Grandstream Networks, Inc.

GVR3550/GVR3552 User Manual Page 14 of 121
INSTALL GVR3550/GVR3552
GVR3550/GVR3552 EQUIPMENT PACKAGE
The GVR3550 package contains:
Table 1 GVR3550 Package List
Name
Number
Main Case
1
12V Power Adapter
1
Ethernet Cable
1
Power Cable
1
Green Phoenix (Wire holder)
2
SATA Data Cables
4
Wire Clampers
2
Remote Control (No Battery)
1
Mount Brackets
4
Mount Brackets Screws
12
HDD Installation Screws
18
Quick Installation Guide
1
GPL license
1
The GVR3552 package contains:
Table 2 GVR3552 Package List
Name
Number
Main Case
1
12V Power Adapter
1
Ethernet Cable
1
HDD Installation Screws
8
Quick Installation Guide
1
GPL license
1
To establish a working surveillance system, users have to get following equipment based on own
requirement. The following table is for reference only.

GVR3550/GVR3552 User Manual Page 15 of 121
Table 3 Optional Equipment List
Device Name
Number
Explanation
Video Display Device
1
Monitor, display or TV (either OK but at least one
required)
IP Cameras
1 (Minimum)
IP Network Cameras
Keyboard
Optional
USB Keyboard
Mouse
Optional
USB Mouse
Hard Disk Driver
1 (Minimum)
Compatible SATA HDD, Max. capacity 4TB.
Audio Device
Optional
Audio In/Out Device: microphone, speaker, pickup.
Alarm Device
Optional
Alarm In/Out Device: smoke sensor, IR sensor,
magnetic sensor, siren, etc.
Green Phoenix (Wire
holder)
Optional
GVR3552 should prepare itself. To connect to
external input/output alarm
GVR3550 PRODUCT APPEARANCE
Figure 1 GVR3550 Front Panel
Table 4 GVR3550 Front Panel Buttons Explanation
No.
Buttons
Explanation
1
Power indicator.
2
Network Indicator.
Dark: Abnormal network connection or has no access
to network
Green: Normal network connection
Flashing: Transmitting data...
3
HDD Indicator.
Solid green: HDD perfectly working
Flashing: Reading data...
Nark: No HDD detected

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4
Function Status Indicator. To indicate whether the
numeric buttons are being used as functional button once
pressed the function button.
Green: Functional status
Nark: Numerical status
5
USB Interface. To connect to USB devices like mouse,
keyboard and USB flash drive.
6
Numeric Buttons.
To input numbers and switch previews.
Once pressed the function button, the numeric buttons will
be used as functional buttons.
Number 0-9 are corresponding to the following functions:
Enable PTZ , Start/Pause , Stop ,
Fast Backward , Fast Forward , Single Frame
Jump , Playback , Record Mode Setting , Menu ,
Switch preview windows ,
7
Function Button. To switch between numeric mode and
function mode. The button indicates the status of the
function button.
8
Up and Down Navigation Buttons
To switch among the activated controls
9
Left and Right Navigation Buttons
To switch among the activated controls
Controls the progress bar when playback.
10
Cancel Button
Back to the previous menu or cancel operation.
11
Confirm Button
Confirm.
Switch to the default button.
Enter menu.
Select a check box or enable toggle ON/OFF button.
Pause/Resume auto patrol when auto patrol preview.
Figure 2 GVR3550 Back Panel

GVR3550/GVR3552 User Manual Page 17 of 121
Table 5 GVR3552 Back Panel Buttons Explanation
Icon
Buttons
Explanation
1
Power Input. Input 12V DC
2
Reset Button. To reboot device or reset factory.
Long press for more than 10 seconds: factory reset
Press when power on: reset when the GVR is
abnormal
3
eSATA Interface. To connect eSATA device
4
USB Interface. To connect to USB devices like mouse,
keyboard and USB flash drive
5
VGA Video Output. To output analog video signal,
connecting to a monitor to view record
6
HDMI. HD audio/video output interface, transmit
uncompressed HD video and multichannel audio data to
display device with HDMI interface
7
Audio Input. Receiving analog audio signal from
microphone, pickups and other devices
8
Audio Output. Output analog audio signal to device like
speaker
9
Network Port. 10M/100M/1000M adaptive Ethernet
interface
10
Alarm Input Interfaces 1-16.
16 alarm input interfaces receiving binary signals from
external alarm sources like normally-closed alarm and
normally-open alarm.
11
Alarm Output Interfaces 1-2.
2 set of alarm output interfaces, output alarm signal to
external alarm device, power supply is required for external
alarm device
12
--
Alarm Grounding.
13
Grounding.
14
FAN. For heat dissipation

GVR3550/GVR3552 User Manual Page 18 of 121
GVR3552 PRODUCT APPEARANCE
Figure 3 GVR3552 Front Panel
Table 6 GVR3552 Power Indicator Explanation
No.
Buttons
Explanation
1
Power indicator.
2
Network Indicator.
Dark: Abnormal network connection or has no access
to network
Green: Normal network connection
Flashing: Transmitting data...
3
HDD Indicator.
Solid green: HDD perfectly working
Flashing: Reading data...
Nark: No HDD detected
Figure 4 GVR3552 Back Panel
Icon
Buttons
Explanation

GVR3550/GVR3552 User Manual Page 19 of 121
1
POWER
Power switch
2
Power Input. Input 12V DC
3
Reset Button. To reboot device or reset factory.
Long press for more than 10 seconds: factory reset
Press when power on: reset when the GVR is
abnormal
3
eSATA Interface. To connect eSATA device
4
USB Interface. To connect to USB devices like mouse,
keyboard and USB flash drive
5
VGA Video Output. To output analog video signal,
connecting to a monitor to view record
6
HDMI. HD audio/video output interface, transmit
uncompressed HD video and multichannel audio data to
display device with HDMI interface
7
Audio Input. Receiving analog audio signal from
microphone, pickups and other devices
8
Audio Output. Output analog audio signal to device like
speaker
9
Network Port. 10M/100M/1000M adaptive Ethernet
interface
10
Alarm Input Interfaces 1-16.
16 alarm input interfaces receiving binary signals from
external alarm sources like normally-closed alarm and
normally-open alarm.
11
Alarm Output Interfaces 1-2.
2 set of alarm output interfaces, output alarm signal to
external alarm device, power supply is required for external
alarm device
12
--
Alarm Grounding.
INSTALLING GVR3550 HDD
The GVR3550 contains no HDD with packaging, the first-time users need to check the device and install
HDD. Please install the GVR3550 HDD according to the following procedures:
1. Twist four screws gently on the bottom of HDD, do not twist too tight;
2. Remove the fixed screws on the back and side panel of the main case, open the cover plate to find the
HDD installing position;
3. Side put the main case, aims HDD with four screws on at the corresponding 4 screw holes on the
baseplate and then twist the screws;
4. Repeat the previous steps to install other HDDs;
5. Connect HDD data lines and power cables to the interfaces of the mainboard;
6. Put the cover plate back and twist back the screws.