Ruijie RG-S6920-4C Series Installation and operating manual

Ruijie RG-S6920-4C Switch
Hardware Installation and Reference Guide
Document Version: V2.0
Date: July 31, 2023
Copyright © 2023 Ruijie Networks

Copyright
Copyright © 2023 Ruijie Networks
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I
Preface
Intended Audience
This document is intended for:
Network engineers
Technical support and servicing engineers
Network administrators
Technical Support
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Community: https://community.ruijienetworks.com
Technical support email: [e-mail]
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Conventions
1. Signs
The signs used in this document are described as follows:
Danger
An alert that contains important safety instructions. Before you work on any equipment, be
aware of the hazards involved and be familiar with standard practices for preventing
accidents.
Warning
An alert that calls attention to important rules and information that if not understood or followed
can result in data loss or equipment damage.
Caution
An alert that calls attention to essential information that if not understood or followed can result
in function failure or performance degradation.
Note
An alert that contains additional or supplementary information that if not understood or
followed will not lead to serious consequences.

II
Specification
An alert that contains a description of product or version support.
2. Note
The manual offers configuration information (including model, port type and command line
interface) for indicative purpose only. In case of any discrepancy or inconsistency between the
manual and the actual version, the actual version prevails.

i
Contents
Preface.................................................................................................................................................. I
1Overview ........................................................................................................................................... 1
1.1 About the RG-S6920-4C............................................................................................................1
1.2 Component Modules..................................................................................................................1
1.3 Chassis ......................................................................................................................................2
1.3.1 Appearance....................................................................................................................2
1.3.2 LEDs ..............................................................................................................................5
1.3.3 Ports...............................................................................................................................7
1.3.4 Cooling...........................................................................................................................8
1.3.5 Technical Specifications.................................................................................................8
1.3.6 Asset Tag......................................................................................................................12
1.4 Expansion Modules .................................................................................................................13
1.4.1 M6900-16CQ4QC........................................................................................................13
1.4.2 M6900-32CQ................................................................................................................16
1.5 Power Module..........................................................................................................................18
1.5.1 RG-PA1200I-F..............................................................................................................18
1.6 Fan Module..............................................................................................................................21
1.6.1 M2EFAN I-F .................................................................................................................21
1.7 Cables......................................................................................................................................23
1.7.1 Console Cable .............................................................................................................23
1.7.2 Ethernet Cable.............................................................................................................24
1.7.3 Power Cord..................................................................................................................25
1.7.4 Grounding Wire............................................................................................................26

ii
1.8 Pluggable Modules..................................................................................................................27
2Preparing for Installation................................................................................................................. 29
2.1 Safety Guidelines.....................................................................................................................29
2.1.1 General Precautions....................................................................................................29
2.1.2 Chassis-Lifting Guidelines...........................................................................................29
2.1.3 Electricity Safety ..........................................................................................................30
2.1.4 Preventing ESD Damage.............................................................................................30
2.1.5 Laser Safety.................................................................................................................31
2.1.6 Storage Guidelines ......................................................................................................31
2.2 Site Requirements ...................................................................................................................31
2.2.1 Floor Loading...............................................................................................................31
2.2.2 Airflow...........................................................................................................................31
2.2.3 Space...........................................................................................................................31
2.2.4 Temperature.................................................................................................................32
2.2.5 Humidity.......................................................................................................................32
2.2.6 Cleanliness...................................................................................................................32
2.2.7 System Grounding.......................................................................................................33
2.2.8 Preventing Electromagnetic Interference ....................................................................35
2.2.9 Surge Protection..........................................................................................................35
2.3 Rack-Mounting Guidelines.......................................................................................................35
2.4 Tools ........................................................................................................................................36
2.5 Unpacking the Switch..............................................................................................................36
2.5.1 Verifying the Shipped Content.....................................................................................36
2.5.2 Unpacking the Container.............................................................................................37

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3Installing the Switch ........................................................................................................................ 39
3.1 Installation Procedure..............................................................................................................40
3.2 Installing the Rack....................................................................................................................41
3.2.1 Installation Guidelines..................................................................................................41
3.2.2 Procedure.....................................................................................................................41
3.3 Installing the Chassis...............................................................................................................42
3.3.1 Installation Guidelines..................................................................................................42
3.3.2 Mounting the Brackets.................................................................................................42
3.3.3 Mounting the Chassis on the Rack..............................................................................43
3.4 Installing the Protective Grounding Wire.................................................................................43
3.4.1 Installation Guidelines..................................................................................................43
3.4.2 Procedure.....................................................................................................................44
3.5 Installing and Removing the Fan Module................................................................................44
3.5.1 Installing the Fan Module.............................................................................................44
3.5.2 Removing the Fan Module...........................................................................................45
3.6 Installing and Removing the Expansion Module.....................................................................46
3.6.1 Installing the Expansion Module..................................................................................46
3.6.2 Removing the Expansion Module................................................................................47
3.7 Installing and Removing the Power Module............................................................................48
3.7.1 Installing the Power Module.........................................................................................48
3.7.2 Removing the Power Module.......................................................................................51
3.8 Installing and Removing the Pluggable Module......................................................................51
3.9 Verifying Installation.................................................................................................................52
3.10 Connecting the Power Cord ..................................................................................................52

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4Commissioning................................................................................................................................ 53
4.1 Setting Up the Configuration Environment..............................................................................53
4.2 Powering on the Device...........................................................................................................55
4.2.1 Checklist Before Power-on..........................................................................................55
4.2.2 Power-on......................................................................................................................55
4.2.3 Checklist Before Power-on..........................................................................................55
5Monitoring and Maintenance........................................................................................................... 56
5.1 Monitoring................................................................................................................................56
5.1.1 Monitoring the LEDs....................................................................................................56
5.1.2 Running the CLI Commands.......................................................................................56
5.2 Maintenance ............................................................................................................................57
5.2.1 Replacing the Power Module.......................................................................................57
5.2.2 Replacing the Fan Module...........................................................................................57
5.2.3 Replacing the Lithium Battery......................................................................................57
5.2.4 Replacing the Fuse......................................................................................................58
6 Troubleshooting............................................................................................................................ 59
6.1 Flowchart..................................................................................................................................59
6.2 Common Issues.......................................................................................................................60
6.2.1 Forgetting Login Password..........................................................................................60
6.2.2 AC Power Module Failure............................................................................................60
6.2.3 Fan Module Not Rotating.............................................................................................60
6.2.4 No Output on the Console...........................................................................................60
6.2.5 Garbled Output on the Console...................................................................................61
6.2.6 Optical Port Linkdown..................................................................................................61

v
7 Appendix........................................................................................................................................ 61
7.1 Labeling Process.....................................................................................................................61
7.1.1 Hand Writing on Labels................................................................................................61
7.1.2 Pasting Labels .............................................................................................................62
7.1.3 Label Contents.............................................................................................................63
7.2 Connectors and Media.............................................................................................................63
7.2.1 1000BASE-T Port ........................................................................................................64
7.2.2 100BASE-TX/10BASE-T Port......................................................................................65
7.3 Surge Protection......................................................................................................................66
7.3.1 Installing an AC PowerArrester...................................................................................66
7.3.2 Installing an Ethernet Port Arrester..............................................................................67
7.4 Site Selection...........................................................................................................................68
7.5 Recommended Cabling...........................................................................................................69

Hardware Installation and Reference Guide Overview
1
1 Overview
1.1 About the RG-S6920-4C
The RG-S6920-4C switch is a next-generation switch featuring high-performance, high-
density, and low-latency launched by Ruijie Networks for Artificial Intelligence (AI) and other
applications. The RG-S6920-4C switch provides a flexible modular design, 100GE/400GE
expansion modules, and diverse data center features. It can be used with Ruijie’s RG-S6500
switches for a high-performance and high-reliability data center network.
Table 1-1 RG-S6920-4C Overview
Chassis
100GE
QSFP28
Ports
400GE
QSFP-DD
Ports
Expansion
Module
Slots
Power
Redundancy
Fan
Redundancy
RG-S6920-4C
N/A
N/A
4
2+2
5+1
M6900-16CQ4QC
16
4
N/A
N/A
N/A
M6900-32CQ
32
N/A
N/A
N/A
N/A
Note
The product images involved in this manual are for indicative purpose only. The appearance is
subject to the actual equipment.
1.2 Component Modules
The RG-S6920-4C adopts the modular design. Compliant with industry standards, the design
differentiates modules and integrates module interfaces to ensure an integrated system with
independent function modules.
Table 1-2 Component Modules
Chassis
Expansion
Module
Power Module
Fan Module
RG-S6920-4C
M6900-16CQ4QC
RG-PA1200I-F
M2EFAN I-F