q-Tech QSR-3920 Series User manual

INSTALLATION MANUAL
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QSR-3920 Series Router Installation
Manual
QSR-3920-08

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Copyright Statement
Copyright2020 QTECH LLC. All rights reserved.
Without the written approval of the Company, no company or individual is allowed to
extract, reproduce, translate or propagate this Manual, in whole or in part, in whatsoever
manner.
QTECH is the trademark of QTECH LLC. All other trademarks, product marks and trade
names referenced herein are owned by their owners respectively.
This Manual may be subject to changes on account of product upgrade or other causes.
QTECH reserves the right to revise this Manual without any notice. Subject to the laws
and regulations, QTECH LLC shall, under no circumstance, be responsible for any
accident, negligence, breach of contract, defamation and infringement of copyright or
intellectual property right incurred by using the related content of this Product Manual or
this website, assume any liabilities for damage with respect to any special, incidental,
indirect or secondary losses and any losses on profit, data, business reputation or
expected economy so caused or bear any legal liabilities so arisen.
Safety Statement
Important! Please read the product safety and compatibility information before energizing
and enabling the product.
Environmental Statement
This product complies with the design requirements in terms of environmental protection
and shall be stored, used and disposed in accordance with the related national laws and
regulations.

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PREFACE
Manual Introduction
This manual introduces the appearance, hardware, and installation preparation and method of
the QSR-3920 series router, as well as its basic use and daily maintenance in terms of
energization & operation, troubleshooting and equipment maintenance.
Product Version
This manual is applicable to the product versions as below.
Product name
Product Version
QSR-3920 series router
QSR-3920-08(V1)
Target Users
The major target users of this Manual are:
Hardware Installation Engineer
Debugging Engineer
Site Maintenance Engineer
System Maintenance Engineer
Convention
Convention of screen output formats
Format
Description
Screen print
Screen output
Keywords of
Screen print
Key information of screen output (red part)
Convention of icons and signs
Format
Description
Note:
Supplement to or emphasis on the aforesaid.

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Caution:
Matters that need attention while installing or operating the
equipment, which are important for proper installation and
operation.
Warning:
Operations prohibited or required to follow the specified
steps; otherwise, personal injuries or equipment damages are
possible.
Convention of command formats
Format
Description
Bold
Keywords of command line
Italic
Parameters of command line
Brace “{ }”
Options in the brace are compulsory.
Bracket “[ ]”
Options in the bracket are optional.
Angle bracket “<>”
Information in the angle bracket is not displayed.
Square bracket “【
】”
Contents in the square bracket need attention.
Upright slash “|”
A sign to separate the options, with the same meaning as “or”.
Slash “/”
A sign to separate the options, indicating a multi-choice
operation.
For the purpose of this manual, the icons have the definitions as below:
Icons
Description
This icon and its related description generally refer to the
switch.
Product Details
The manual matching with the product is as follows:
Manual
Description

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QSR-3920 Series Router
Configuration Manual
Detailed introduction to the methods and steps of
configuring the equipment software functions, with
the typical cases made available for reference.
Technical Support
Technical support hotline: [phone] * 555
Email (feedback): [email protected]
Revision History
The Revision History is the summary of all manual updates. The latest version includes all
previous updates.
Version
Revision date
Description
V1.0
2017-10-10
First issue
V1.1
2018-1-24
Add the contents of QSR-M-3920-3ESP3, QSR-M-
3920-3ESP10

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Table of contents
PREFACE 3
ROUTER INTRODUCTION 9
QSR-3920-08 Appearance and Hardware 9
Introduction to 3ESP Card 10
Introduction to MIFC Card 10
Introduction to M-3920 Interface Sub Card 11
Introduction to MX9 Series Card 12
Introduction to Power Module 12
AC Power Module 13
Air Passage of QSR-3920 Series Router 13
QSR-M-3920-FAN Fan Module 14
INSTALLATION PREPARATIONS 15
Check Router Running Environment 15
Safety Precautions 15
General Safety 15
Electrical Safety 15
Static Safety 16
Laser Safety 17
Installation Tools, Instruments, and Equipment 17
Open-Package and Inspection 17
ROUTER INSTALLATION 17
Install Router 17
Install Router to Workbench 18
Install Router to Cabinet 18
Ground the Router 22
Install Interface Sub Card Components (Optional) 24
Install USIM Card 24
Install 4G Antenna 26
(Optional) Install SPD 28
Install AC Power SPD 28
(Optional) Install Port Lightning Protector 29
Install Power Supply 30
Installation Preparations 30

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Install Power Module 31
Connect Power Cable 31
Installation Preparations 31
Connect AC Power Cable 31
Check after Installation 32
POWER ON AND RUN ROUTER 33
Log into Router 33
Connect Console Cable 33
Set PC HyperTerminal Parameters 34
Power on and Start 38
Check after Power on 40
Access Network 40
Access Network via Ethernet Twisted Pair 40
Access Network via Fiber 41
Hardware Management 44
View Software and Hardware Version Information of Router 44
View Power Module Status Information 45
View System Environment Temperature Information 47
View Fan Status Information 47
View Swappable Optical Module Information 48
TROUBLESHOOTING 50
Troubleshooting of Configuration System 50
Troubleshooting about no Display on Terminal 50
Troubleshooting about Messy Code on Terminal 50
Troubleshooting about Fan 50
Troubleshooting about Power 51
Get Technical Support 51
ROUTER MAINTENANCE 53
Change Module 53
Change Power Module 53
3ESP Card 54
Change MX9/M-3920 Interface Card 56
Change Fan Module 57
Change Swappable Optical Module 58
De-dust the Router 60

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De-dust the Fan Module 61
De-dust the Board Card 61
De-dust Optical Interface and Pigtail Connector 62
APPENDIX A-1

Installation Manual
1. Router Introduction 9
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ROUTER INTRODUCTION
QSR-3920-08 Appearance and Hardware
QSR-3920 series router only has one product model: QSR-3920-08.
QSR-3920-08 router has three kinds of slots: 3ESP, LX9, and MX9. The three
slots are respectively inserted with RM3E-3ESP card, QSR-LX9-M-24GETS
sub card, and MX9 interface card.
3ESP: Server Processing Unit business processing card, responsible for
packet forwarding and control processing. Refer to "Appendix A2
Specifications of 3ESP interface card " for specific specifications
MX9 interface card: including QSR-MX9-M-4GET, QSR-MX9-M-4GEF and
other interface cards. Refer to "Appendix A7 Specifications of MX9
interface card " for specific specifications.
LX9 interface card: include QSR-LX9-M-24GETS interface card.
The dimension of QSR-3920-08 is 442mm × 365mm × 88.6mm (W x D x H). The front appearance
diagram of QSR-3920-08 is shown in Figure 1-1, and the rear appearance diagram is shown Figure
1-2.
Figure 1-1 QSR-3920-08 front appearance
1.Cabinet bracket
2. LX9 interface card slot
3.MX9 interface card slot
4.MIFC card slot
5.Static wrist socket
6.Chassis air vent

Installation Manual
1. Router Introduction 10
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Figure 1-2 QSR-3920-08 rear appearance
1. Fan slot
2. Power slot
3.3ESP card slot
4. Grounding stud
Introduction to 3ESP Card
3ESP card is the core of QSR-3920 router, which is responsible for packet forwarding and control
processing. QSR-3920-08 must be configured with only one 3ESP card. QSR-3920-08 supports
three types of 3ESP cards, QSR-M-3920-3ESP3, QSR-M-3920-3ESP5, and QSR-M-3920-3ESP10.
The appearance of QSR-M-3920-3ESP5 card is as follows:
Figure 1-3 QSR-M-3920-3ESP5 appearance
1. Screw
2.Puller
3. Port status indicator
4.Function port
5. Card status indicator
6.Card component area
The 3ESP card of QSR-3920 router supports hot-swap.
Introduction to MIFC Card
MIFC card is the management interface card of QSR-3920 router. The serial port, U disk interface,
DC0 port and system status indicator of the device are all on the card.