Moxa Technologies VPort 451 User manual

Moxa Industrial Video Encoder
VPort 451 Series
Quick Installation Guide
First Edition, March 2010
©2009 Moxa Inc. All rights reserved.
Reproduction without permission is prohibited.
Fl.4, No.135, Lane 235, Pao-Chiao Rd. Shing Tien City, Taipei, Taiwan,
R.O.C.
TEL: [phone]
P/N: 1802004510010

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Overview
The VPort 451 is a 1-channel industrial video encoder with MPEG4 and
MJPEG video compression algorithm that provides a maximum of three video
streams (two MPEG4, one MJPEG) simultaneously. The video streams can be
used for different purposes, such as viewing, recording, and analyzing. The low
latency (<200 milliseconds) of the VPort 451 makes it an optimal solution for
mission-critical video applications, which require real-time video display. In
addition, its rugged, industrial design, which includes a -40 to 75°C operating
temperature, built-in fiber Ethernet ports, IP30 form factor protection, and
industrial certifications, ensures the VPort 451 thrive in harsh environments.
Package Checklist
The VPort 451 is shipped with the following items:
yVPort 451.
y6-pin terminal block for 1 power input and 2 digital inputs.
y8-pin terminal block for the other power input, and 2 relay outputs.
y5-pin terminal block for the RS-232/422/RS-485 PTZ control port.
yQuick Installation Guide.
yDocument & Software CD (includes User’s Manual, Quick Installation
Guide, Moxa IVN Solution Datasheet and Utility).
yWarranty Card.
Note: If any of these items are missing or damaged, please contact your
customer service representative for assistance.
NOTE Check the model name on the VPort’s side label to determine if the
model name is correct for your order.
NOTE This product must be installed in compliance with your local laws
and regulations.
Features
High Performance Audio-Video Networking Solution
•Works with NTSC/PAL analog video cameras.
•Supports MPEG4/MJPEG video compression technologies.
•Up to 3 simultaneous video streams (2 MPEG4 and 1 MJPEG).
•Lower latency, under 200 ms.
•1 BNC video input.
•Video stream up to 30 frames/sec in Full D1 (720 x 480) resolution in
NTSC, and 25 frames/ sec in Full D1 (720 x 576) resolution in PAL.
•Select between Full D1/ 4CIF/ VGA/ CIF/ QCIF resolutions.
•1 audio input and 1 audio output for 2-way voice communication.
•TCP, UDP, and HTTP network transmission modes.
•Supports Modbus/TCP for easy communication with SCADA systems.

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•Supports standard RTSP (Real-time streaming protocol) for easy
integration.
•Supports multicast (IGMP) protocols for efficient network transmission.
•Supports QoS (TOS) for priority transmission.
•Supports SNMP V1/V2c/V3 for network management.
•Built-in web server and RS-232 console for remote access and
configuration.
•Supports one SD card slot (SDHC inteface) for local video recording on
the SD card during network interruptions.
•Two auto-sensing 10/100BaseT(X) Ethernet ports.
•Maximum 10 output video streams or 10 client connections.
•Set up video quality in CBR (constant bit rate) or VBR (variable bit rate).
•Supports 1 RS-232/422/485 DB9 COM port for controlling a PTZ
(PAN/TILT/ZOOM) motorized camera or serial device via a TCP/IP
network.
•Supports 1 RS-232/RS-422/RS-485 5-pin PTZ port for controlling a PTZ
(PAN/TILT/ZOOM) motorized camera via a TCP/IP network.
•UPnP and IP filtering supported.
Rugged Industrial Design
yTwo 12/24 VDC and 24 VAC redundant power inputs with LED indicators
y-40 to 75°C operating temperature for harsh industrial environments
(“T” model)
y35 mm DIN-Rail mounting or panel mounting installation
(with optional accessory)
yIP30 form factor protection
yCE, FCC, UL508 approvals for industrial applications
Intelligent Alarm Trigger Capability
yBuilt-in Video Motion Detection (VMD)
yEquipped with 2 DIs and 2 relays (DO) for external sensors and alarms.
yPre, trigger, and post alarm snapshot images provided.
ySupports sequential snapshot images
yMessages with snapshot images can be sent via FTP and email.
yCapable of setting an alarm schedule
Video Management and Control
yFree Moxa VPort SDK PLUS (software development kits) supported with
flexible interface and sample codes for customized application or system
integration.
yMoxa SoftNVR-IA IP surveillance software supported for the video
recording and management solution.
NOTE If you are interested in the Moxa VPort SDK PLUS, please go to
Moxa’s website (www.moxa.com) to download the software, or
contact a Moxa sales representative for more information.

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NOTE If you are interested in SoftNVR-IA IP surveillance software,
please go to Moxa’s website (www.moxa.com) to download the
trial version.

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VPort 451 Panel Layout
Front Panel View
Top Panel View
Rear Panel View
18
17
17
RS-232
CONSOLE
1
5
46
3
7
8
11
12
14
13
15
16
9
10
2
1. Grounding screw
2. RS-232 console port
3. Hardware reset button
4. 8-pin terminal block for Relay
1, Relay 2, and power input 1
(PWR1)
5. 6-pin terminal block for DI 1,
DI 2, power input 2 (PWR2)
6. Heat dissipation orifices
7. LEDs for STAT, PWR1,
PWR2, FAULT
8. LEDs for VIDEO, PTZ and SD
9. SD card (SDHC) slot
10. 2 RJ45 10/100BaseTX
Ethernet port with 10 /100
Mbps LED
11. AUDIO OUTPUT port for
external speaker
12. AUDIO INPUT port for mic-in
and line-in connection
13. RS-232/422/485 COM port
with DB9 male connector for
PTZ camera or serial device
control
14. RS-232/422/485 PTZ port
with 5-pin terminal block for
PTZ camera control
15. 1 BNC connector for video
input
16. Model name
17. Screw hole for wall mounting
kit
18. DIN-Rail mounting kit

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First-Time Installation and
Configuration
Before installing the VPort 451, check to make sure that all items in the
package checklist are in the box. In addition, you will need access to a
notebook computer or PC equipped with an Ethernet port.
Step 1: Select the Power Source
The VPort 451 can be powered by a DC power input from 12 to 32 VDC, or an
AC power input from 18 to 30 VAC. Two power inputs are provided for
redundancy. Users can check the LED status located in the front panel to see if
the power inputs are connected appropriately. If one of the power inputs fails,
the FAULT LED will light up in red if the power failure alarm is enabled.
NOTE The VPort 451 series supports power input specifications of 12-32
VDC for 12/24 VDC power input, or 18-30 VAC for 24 VAC
power input (note that this is different from Moxa EDS switch’s
12-45 VDC power input).
Step 2: Connect the VPort 451 to a Network
The VPort 451 has two auto-sensing 10/100 Mbps RJ45 Ethernet ports for
network connectivity. Each has a LED indicator located aside for indicating the
10 Mbps or 100 Mbps Ethernet connections.
NOTE These two Ethernet port can be cascaded in daisy chain link, or
connected to two different switch ports for Ethernet port
redundancy. More than that, they are also switch ports, which
means you can connect a Ethernet device on one of them for saving
the one switch port in the field site.
Step 3: Connect the VPort 451 to cameras and an audio source
The VPort 451 has 1 VIDEO INPUT port. Use the BNC connector (1.0 Vpp,
75Ω) and coaxial cable to connect video cameras to the VPort to input analog
video signals.
The VPort 451 has one audio input and one audio output. A microphone or an
amplifier can be plugged directly into the AUDIO INPUT port, and a speaker
can be plugged into the AUDIO OUTPUT port.
NOTE One VIDEO LED is located on the VPort 451’s front panel to
indicate the video signal transmission status for video input. Check
the LED status to see if the video is working properly.
ATTENTION
A ground loop isolator is recommended to be used between the
camera and the VPort to avoid a sudden current, which is
generated by the electric potential difference between these two
device’s ground power, to burn out the VPort’s chips and boards.

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Step 4: Connecting motorized PTZ cameras and serial devices
The VPort 451 has two RS-232/422/485 ports. One is a COM PORT with DB9
male connector, and the other is a PTZ PORT with 5-pin terminal block
connector. Both ports can be used for connecting PTZ control cables for
controlling PTZ cameras over the TCP/IP network.
In addition, the DB9 male COM PORT can also be used to connect general
serial devices, such as card readers, for transmitting serial data over a TCP/IP
network. This port can be used to connect serial devices to the VPort 451
instead of a video camera.
To enable PTZ control, users should configure the PTZ control protocol in the
web-based manager.
NOTE The PTZ control protocol is not standardized. To use a particular
PTZ control protocol, the video server must support the driver for
that protocol. Currently, the VPort 451 supports PTZ control
protocol drivers for:
1. Pelco D
2. Pelco P
3. DynaColor DynaDome
4. Yokogawa (Fieldeye)
5. Cohu
If you need to use a protocol that is not on the list, contact the
manufacturer of the camera to get the PTZ control commands, and
then program its PTZ control using the VPort 451’s Custom
Camera function.
NOTE The VPort 451 comes with a PTZ driver upload function for
implementing new PTZ drivers. Please contact a Moxa sales
representative if you need assistance from Moxa’s R&D department
to create a new PTZ driver.
NOTE The “Transparent PTZ Control” function in the camera driver list is
used to transmit the PTZ control signal over a TCP/IP network to
the VPort D351 video decoder or PC (additional driver required).
The PTZ control panel or keyboard can directly control the PTZ
camera or device, eliminating the need for a PTZ camera driver and
allowing the use of PTZ cameras with the VPort encoder.
Step 5: Configure the VPort 451’s IP address
After powering on the VPort 451, wait a few seconds for the POST (Power On
Self Test) to run. The STAT LED turns green to indicate that the POST process
has completed. The IP address will be assigned when the 10/100 Mbps
NETWORK LED blinks. The IP address assigned after the POST is completed
depends on the network environment.
Network Environment with DHCP Server
In this case, the IP address of the VPort 451 is assigned by a DHCP Server.
Use the DHCP Server’s IP address table, or use the Moxa VPort utility to
determine the IP address that was assigned by the DHCP Server.

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NOTE After powering on the VPort 451, wait a few seconds for the POST
(Power On Self Test) to run. The IP address will be assigned when
the 10/100 Mbps NETWORK LED blinks.
Using the Moxa VPort and EtherDevice Configurator Utility
(edscfgui.exe)
1. Run the edscfgui.exe program to search for the VPort and EDS switches.
After the Utility window opens, select or click on Broadcast Search, which
is located under the List Server menu, to initiate a search (note that you
can also click on Broadcast Search icon to initiate a search).
NOTE You may download the VPort and EtherDevice Configurator
software from Moxa’s website at www.moxa.com.
2. The Broadcast Search window will show a list of all switches and VPorts
located on the network. The progress of the search will also be indicated.

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3. When the search has ended, the Model Name, MAC address, and IP
address of the EDS switches and VPorts will be listed in the Utility
window.
NOTE Broadcast Search can only search for devices connected to the
same LAN subnet as the VPort. If your devices are located on a
different LAN subnet, use the “Specify IP Address” function to
search for the device by keying in the IP address.
4. Double click the selected VPort, or use Internet Explorer to access the
VPort’s web-based manager (web console).
Network Environment without a DHCP Server
If your VPort 451 is connected to a network that does not have a DHCP server,
then you will need to configure the IP address manually. The default IP address
of the VPort 451 is 192.168.127.100 and the default subnet mask is
255.255.255.0. Note that you may need to change your computer’s IP address
and subnet mask so that the computer is on the same subnet as the VPort.
To change the IP address of the VPort manually, access the VPort’s web server,
and then navigate to the System Configuration Æ Network Æ General page
to configure the IP address and other network settings. Select the Use fixed IP
address checkbox to ensure that the IP address you assign is not deleted each
time the VPort is restarted.
Step 6: Log on to the VPort 451 web-based manager
Type the IP address in the web browser’s address input box and then press
enter.

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Step 7: Install the ActiveX Control Plug-in
A security warning message will appear the first time you access the VPort’s
web-based manager. The message is related to installing the VPort AcitveX
Control component to your PC or notebook. Click on Yes to install this plug-in
to enable the ability to view video in the IE web browser.
NOTE For Windows XP SP2 or later operating systems, the ActiveX
Control component will be blocked for system security reasons. In
this case, the VPort’s security warning message window may not
appear. Users should unblock the ActiveX control function or
disable the security configuration to enable the installation of
VPort’s ActiveX Control component.
Step 8: Accessing the homepage of the VPort 451’s web-based manager
After installing the ActiveX Control component, the homepage of the VPort
451’s web-based manager will appear. Check the following items to make sure
the system was installed properly:
1. Video Images.
2. Audio Sound (make sure your PC’s or notebook’s sound is turned on).
3. Video Information.

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Step 9: Accessing the VPort’s System Configuration
Click on System Configuration to access the overview of the system
configuration to change the configuration. Model Name, Server Name, IP
Address, MAC Address, Firmware Version, and LED Status appear in the
green bar near the top of the page. Use this information to check the system
information and installation.
For details of each configuration, check the User’s Manual on the software CD.
NOTE After accessing the VPort 451’s web-based manager,
administrators should access System Configuration Æ System Æ
Account to set up the administrator’s password and enable the
authentication function. The administrator account name is admin.
An authentication window will pop up requesting the account name
and password each time the VPort 451 is accessed.

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Mounting Dimensions (unit = mm)
30.5 mm (1.2 in)
18.0 mm
(0.7 in)
31.9 mm (1.3 in)
66.5 mm (2.6 in)
62.0 mm (2.4 in)
45.8 mm (1.8 in) 53.0 mm (2.1 in)
40.0 mm (1.6 in) 45.4 mm (1.8 in)
91.7 mm (3.6 in)
30.0 mm
(1.2 in)
99.0 mm (3.9 in)
105.0 mm (4.1 in)
9.3 mm
(0.37 in)
113.8 mm (4.5 in)
9.0 mm (0.4 in) 134.0 mm (5.3 in)
VPort 451
1
VIDEO
PTZ
SD
2
00
1/01
0
0
1/01
8.7 mm
(0.3 in)
27.5 mm
(1.1 in)
45.8 mm (1.8 in)
53.0 mm (2.1 in)
9.6 mm
(0.4 in)
135.0 mm (5.3 in)
DIN-Rail Mounting
The aluminum DIN-Rail attachment plate should already be attached to the
back panel of the VPort 451 when you take it out of the box. If you need to
reattach the DIN-Rail attachment plate to the VPort 451, make sure the stiff
metal spring is situated towards the top, as shown in the figures below.
STEP 1: Insert the top of the DIN-Rail
into the slot just below the stiff metal
spring.
STEP 2: The DIN-Rail attachment
unit will snap into place as shown
below.
metal
spring
DIN-Rail
metal
spring
DIN-Rail
To remove the VPort 451 from the DIN-Rail, simply reverse Steps 1 and 2
above.

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Wall Mounting (optional)
For some applications, you will find it convenient to mount the VPort 451 on a
wall, as illustrated below.
STEP 1:
Remove the aluminum DIN-Rail attachment plate from the VPort 451, and
then attach the wall mount plates, as shown in the diagrams below.
⇒
Top
plate
Bottom
plate
STEP 2:
Mounting the VPort 451 on the wall requires 4 screws. Use
the VPort 451, with wall mount plates attached, as a guide to
mark the correct locations of the 4 screws. The heads of the
screws should be less than 6.0 mm in diameter, and the
shafts should be less than 3.5 mm in diameter, as shown in
the figure at the right.
Do not screw the screws in all the way—leave a space of
about 2 mm to allow room for sliding the wall mount panel
between the wall and the screws.
6.0 mm
3.5 mm
NOTE Test the screw head and shank size by inserting the screw into one
of the keyhole shaped apertures of the wall mounting plates, before
it is screwed into the wall.
STEP 3:
Once the screws are fixed in the wall, insert the four screw heads through the
large parts of the keyhole-shaped apertures, and then slide the VPort 451
downwards, as indicated below. Tighten the four screws for added stability.
5 5

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Wiring Requirements
WARNING
Safety First!
Be sure to disconnect the power cord before installing and/or
wiring your Moxa VPort 451.
Calculate the maximum possible current in each power wire and
common wire. Observe all electrical codes dictating the
maximum allowable current for each wire size.
If the current goes above the maximum ratings, the wiring could
overheat, causing serious damage to your equipment.
You should also pay attention to the following items:
yUse separate paths to route wiring for power and devices. If power wiring
and device wiring paths must cross, make sure the wires are perpendicular
at the intersection point.
NOTE: Do not run signal or communications wiring and power wiring in
the same wire conduit. To avoid interference, wires with different signal
characteristics should be routed separately.
yYou can use the type of signal transmitted through a wire to determine
which wires should be kept separate. The rule of thumb is that wiring that
shares similar electrical characteristics can be bundled together.
yKeep input wiring and output wiring separated.
yIt is strongly advised that you label wiring to all devices in the system.
Grounding the Moxa VPort 451
Grounding and wire routing help limit the effects of noise due to
electromagnetic interference (EMI). Run the ground connection from the
ground screw to the grounding surface prior to connecting devices.
ATTENTION
This product is intended to be mounted to a well-grounded
mounting surface, such as a metal panel.

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Wiring the Redundant Power Inputs
The VPort 451 has two sets of power input, power input 1 and power input 2,
which are located on the 6-pin and 8-pin terminal block connectors. Top and
front views of the terminal block connectors are shown here.

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ATTENTION
The current and power capacity of the relay output is a maximum
of 24 VDC @ 1A. You should be careful not to exceed this power
specification.
Wiring the Digital Inputs
The VPort 451 has four sets of digital input, DI1, DI2,
DI3 and DI4. Each DI consists of two contacts of the
10-pin terminal block connector on VPort’s top panel.
Top and front views of one of the terminal block
connectors are shown here.
STEP 1: Insert the negative (ground)/positive DI
wires into the ┴/I1 terminals.
STEP 2: To keep the DI wires from pulling loose,
use a small flat-blade screwdriver to tighten the
wire-clamp screws on the front of the terminal block
connector.
STEP 3: Insert the plastic terminal block connector prongs into the terminal
block receptor, which is located on the VPort 451’s top panel.
Communication Connections
VPort 451 models have one RJ45 console port (RS-232 interface), and 2
10/100BaseT(X) Ethernet port or 1 100BaseFX (SC-type connector) fiber port.
RS-232 Console Port Connection
The VPort 451 has one RS-232 (10-pin RJ45) console port, located on the top
panel. Use either an RJ45-to-DB9 or RJ45-to-DB25 cable (see the cable
following wiring diagrams) to connect the VPort 451’s console port to your
PC’s COM port.
You may then use a console terminal program, such as the Moxa PComm
Terminal Emulator, to access the VPort 451’s console configuration utility.
RJ45 (10-pin) Console Port Pinouts
Pin Description
1 ---
2 DSR
3 ---
4 GND
5 TxD
6 RxD
7 GND
8 ---
9 DTR
10 ---
110

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10/100BaseT(X) Ethernet Port Connection
The 10/100BaseT(X) port located on the VPort 451’s front panel is used to
connect to Ethernet-enabled devices.
Pinouts for both MDI (NIC-type) ports and MDI-X (HUB/Switch-type) ports
are illustrated below, along with cable wiring diagrams for straight-through and
cross-over Ethernet cables.
The 10/100BaseT(X) port of the VPort 451 is an MDI port, which means that
you should use a cross-over Ethernet cable to connect to the MDI NIC port,
and a straight-through Ethernet cable to connect to the MDI-X HUB/Switch
port.
MDI Port Pinouts MDI-X Port Pinouts 8-pin RJ45
Pin Signal Pin Signal
1 Tx+ 1 Rx+
2 Tx- 2 Rx-
3 Rx+ 3 Tx+
6 Rx- 6 Tx-
RJ45 (8-pin) to RJ45 (8-pin) Straight-Through Cable Wiring
Straight-Through Cable
RJ45 Plug Pin 1
Switch Port
RJ45
Connector
RJ45
Connecto
r
Tx+
Tx-
Rx+
Rx-
NIC Port
Cable Wiring
3 3
6 6
1 1
2 2
Rx+
Rx-
Tx+
Tx-
RJ45 (8-pin) to RJ45 (8-pin) Cross-Over Cable Wiring
Cross-Over Cable
RJ45 Plug Pin 1
Switch Port
(NIC Port)
RJ45
Connector
RJ45
Connector
Tx+
Tx-
Rx+
Rx-
(Rx+)
(Rx-)
(Tx+)
(Tx-)
(Tx+)
(Tx-)
(Rx+)
(Rx-)
Switch Port
(NIC Port)
Cable Wiring
3 1
6 2
1 3
2 6
Rx+
Rx-
Tx+
Tx-
100BaseFX Ethernet Port Connection
The concept behind the SC port and cable is quite straightforward. Suppose
that you are connecting devices I and II. Contrary to electrical signals, optical
signals do not require a circuit in order to transmit data. Consequently, one
fiber optic cable is used to transmit data from device I to device II, and the
other fiber optic cable is used transmit data from device II to device I, for
full-duplex transmission.
Remember to connect the Tx (transmit) port of device I to the Rx (receive) port
of device II, and the Rx (receive) port of device I to the Tx (transmit) port of
device II. If you make your own cable, we suggest labeling the two sides of the
same line with the same letter (A-to-A and B-to-B, as shown below, or
A1-to-A2 and B1-to-B2).
1 8

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SC-Port Pinouts SC-port to SC-port Cable Wiring
Tx
Rx
AA
BB
Cable Wiring
A A
B B
COM Port
A COM PORT is located on the front panel for connecting a PTZ motorized
camera or serial device. The COM port transmits RS-232 or RS-422/485
signals over the TCP/IP network. Users can use this COM port (DB9 male
connector) to monitor data or control a serial device, or for the control of a PTZ
motorized camera.
15
69
RS-232/422/485 (Male DB9) Pinouts
PIN RS-232 RS-422 4-wire
RS-485 RS-485 2-wire
1 DCD TxD-(A) ---
2 RXD TxD+(B) ---
3 TXD RxD+(B) Data+(B)
4 DTR RxD-(A) Data-(A)
5 GND GND GND
6 DSR --- ---
7 RTS --- ----
8 CTS --- ---
9 --- --- ---
NOTE This COM port is mainly for the serial-to-Ethernet connectivity.
Currently, it is supported with Real COM, TCP Server and TCP
Client modes.

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PTZ port
A PTZ port is located on the VPort 451’s front panel. The port is used to
connect a PTZ motorized camera or device so that the camera or device can be
controlled from the VPort over the IP network. The PTZ port supports RS-232
or RS-422/485 signals through a terminal block. The PTZ port pin assignments
are shown in the following table.
1
3
2
4
5
PIN RS-422/485 RS-232
1 GND GND
2 R- ---
3 R+ RxD
4 T-\D- ---
5 T+\D+ TxD
SD Card Slot
The front panel of Moxa’s VPort 451 has an SD card slot that supports the
SDHC interface. An SD card can be used for recording video if the network is
down.
SD card slot with
upper case
SD card slot without
upper case
STEP 1: Open the upper case of the SD card slot.
STEP 2: Plug the SD card into the slot. Then the
SD LED indicator will be flash in
Green.
STEP 3: When the SD card is mounted
successfully, the SD LED indicator will
light in green after 2 to 3 seconds. If the
SD card mount fails, then the SD LED
indicator will continuously flash in
Green. If this happens, repeat the above
until the SD LED indicator light turns
green.
STEP 4: Close the upper case and then go to the
web-based manager to set up local
storage functions.
NOTE Currently, the SDHC interface can support an SD card with up to
32 GB of storage space.

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NOTE Follow these steps to remove the SD card:
Step1: Open the upper case.
Step2: Wait a few seconds to allow the SD card to complete
existing file storing activity.
Step3: If the SD LED indicator is lighted in green, it means the
unmounting of the SD card was successful, and you can
take out the SD card. If the SD LED indicator flashes in
green, it means the unmounting of the SD card failed. At
this point, you can take out the SD card. But you will need
to reboot the VPort 451 to enable the SD card slot function
for future SD cards.
LED Indicators
The front panel of Moxa’s VPort 451 contains several LED indicators. The
function of each LED is described in the table below.
LED Color State Description
Steady
Red Hardware initialization stage.
Flashing
Red Software initialization stage.
Steady
Green System is powered on and ready to run.
STAT Green/
Red
Flashing
Green Firmware is being upgraded.
On Power is being supplied through power
input PWR1.
PWR1 AMBER
Off Power is not being supplied through
power input PWR1.
On Power is being supplied through power
input PWR2.
PWR2 AMBER
Off Power is not being supplied through
power input PWR2.
On
One of the following 3 conditions is met:
¾One of the 2 power inputs is
disconnected.
¾Video loss.
¾Network disconnected.
Users can configure these alarm settings
on the system alarm page of system
configuration.
FAULT RED
Off
Both power inputs are connected and are
working properly, or the alarm is
activated, there is no video loss and the
network is connected.
On Video signal is detected.
VIDEO GREEN
Off Video signal is not detected.
PTZ GREEN On Serial data in COM port or PTZ port is
transmitting.