Ruijie RG-SF2920U Series Hardware Installation And Reference Manual
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Ruijie RG-SF2920U Series Hardware Installation And Reference Manual

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Ruijie RG-SF2920U Series Switches
Hardware Installation and Reference Guide
Document Version: V1.1
Date: 2022.03.30
Copyright © 2022 Ruijie Networks

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Summary of Contents for Ruijie RG-SF2920U Series

  • Page 1 Ruijie RG-SF2920U Series Switches Hardware Installation and Reference Guide Document Version: V1.1 Date: 2022.03.30 Copyright © 2022 Ruijie Networks...
  • Page 2 All rights are reserved in this document and this statement. Any reproduction, excerption, backup, modification, transmission, translation or commercial use of this document or any portion of this document, in any form or by any means, without the prior written consent of Ruijie Networks is prohibited.
  • Page 3 Preface Intended Audience This document is intended for:  Network engineers  Technical support and servicing engineers  Network administrators Technical Support  Ruijie Networks Website: https://www.ruijienetworks.com/  Technical Support Website: https://ruijienetworks.com/support  Case Portal: https://caseportal.ruijienetworks.com  Community: https://community.ruijienetworks.com ...
  • Page 4 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.

  • Page 5: Product Introduction

    They are equipped with built-in power supplies and feature reliability and stability. They are suitable for indoor scenarios. With Ruijie's modular OS, the RG-SF2920U series switches support the simplistic optical Ethernet solution, and implement lifecycle management, security control, plug and play, and intelligent O&M through software-defined networking (SDN).
  • Page 6 Hardware Installation Guide Product Introduction PoE Function Copper ports 1–8 support PoE. Maximum overall PoE output power: 125 W The maximum number of PoE devices supported by the switch is determined by the PoE output power of the switch and the actual power of the PoE devices. Without PoE load: ≤...
  • Page 7 Hardware Installation Guide Product Introduction Remarks 1. System status indicator 6. Optical port indicator 2. PoE indicator 7. 1G/2.5GBase-X port 3. Mode button 8. 10/100/1000Base-T adaptive Ethernet port 4. Type-C port [powered by 5 V only] 9. Ethernet port indicator 5.
  • Page 8 16 MB SDRAM 256 KB Supported SFP For details, see Appendix B. Module Type The module types may update without prior notification. Please contact Ruijie Networks for details. SFP Port 2500Base-X and 1000Base-X supported Power Supply AC input: Rated voltage: 200–240 V~ Maximum voltage: 90–264 V~...
  • Page 9 Hardware Installation Guide Product Introduction Fanless design, natural heat dissipation Intelligent The temperature alarm and overheat protection functions are supported. Temperature Control GB/T 9254-2008 Safety Regulation GB 4943.1-2011 Compliance Dimensions (W × D × 200 mm × 170 mm × 55 mm Weight 2.23 kg (including the package) RG-SF2920U-4GT1MS-P is a Class A product.
  • Page 10 Hardware Installation Guide Product Introduction Side Panel Figure 1-6 Back Panel of RG-SF2920U-4GT1MS-P Remarks 1. Power port 2. Grounding connector Power Supply RG-SF2920U-4GT1MS-P adopts an AC power supply, with the rated values as follows:  Rated voltage: 200–240 V~  Maximum voltage: 90–264 V~ ...
  • Page 11 16 MB SDRAM 256 KB Supported SFP For details, see Appendix B. Module Type The module types may update without prior notification. Please contact Ruijie Networks for details. SFP Port 2500Base-X and 1000Base-X supported Power Supply AC input: Rated voltage: 200–240 V~ Maximum voltage: 90–264 V~...
  • Page 12 Hardware Installation Guide Product Introduction Front Panel Figure 1-8 Front Panel of RG-SF2920U-8GT1MS Remarks 1. System status indicator 5. 1G/2.5GBase-X port 2. Type-C port [powered by 5 V only] 6. 10/100/1000Base-T adaptive Ethernet port 3. Console port 7. Ethernet port indicator 4.
  • Page 13 Hardware Installation Guide Product Introduction RG-SF2920U-8GT1MS adopts an AC power supply, with the rated values as follows:  Rated voltage: 200–240 V~  Maximum voltage: 90–264 V~  Rated frequency: 50/60 Hz  Rated current: 0.6 A  Power cord requirements: 10 A power cord Cooling The RG-SF2920U-8GT1MS adopts natural cooling to ensure that the device works properly under specified environment.

  • Page 14: Preparations Before Installation

    Hardware Installation and Reference Guide Preparations Before Installation 2 Preparations Before Installation 2.1 Safety Precautions To avoid personal injury and device damage, carefully read the safety precautions before you install the RG-SF2920U series switches. The following safety precautions may not cover all possible dangers. 2.1.1 Installation Safety Keep the chassis clean, free from any dust.
  • Page 15 2.1.5 Laser Safety The RG-SF2920U series switches support various types of SFP modules available in the market, and these SFP modules are Class I laser products. Improper use of an SFP module may cause damage. Therefore, pay attention to the following...
  • Page 16 2.2.1 Ventilation and Cooling Requirements For RG-SF2920U series switches, maintain sufficient space on both sides of the chassis and around the back panel for air circulation and ventilation. After various cables are connected, bind the cables or place them in the cable management bracket to avoid blocking air inlets.
  • Page 17 2.2.5 Grounding Requirements A proper grounding system is the basis for stable and reliable running of the RG-SF2920U series switches and is indispensable for preventing lightning strikes and interference. Carefully check the grounding conditions at the installation site according to the grounding specifications, and complete grounding properly based on the actual situation.
  • Page 18 The resistance of the ground cable should be smaller than 1 ohm, Each of the RG-SF2920U series switches provides one grounding connector on the back panel, as shown in Figure 2-1.
  • Page 19 Tools and meters Phillips screwdriver, slotted screwdriver, related copper and optical cables, bolts, Common Tools diagonal pliers, cable ties Special Tools ESD tools Meters Multimeter The RG-SF2920U series switches are delivered without a tool kit. Customers need to get ready the tools.

  • Page 20: Product Installation

    The installation environment meets the temperature and humidity requirements. The power supply and required current are available in the installation site. The network cables have been deployed in the installation site. 3.3 Installing RG-SF2920U Series Switches Precautions Pay attention to the following points during installation:...
  • Page 21 Lay out the 100-meter network cable only indoors. Take lightning protection measures if it needs to be routed outdoors. 3.3.1 Installing the Switch in a Rack The RG-SF2920U series switches meet the EIA standard size and can be installed in racks. Maintain sufficient space around the devices for heat dissipation. The installation requirements are as follows: 1.
  • Page 22 Hardware Installation and Reference Guide Product Installation Figure 3-1 Securing Mounting Brackets Installed in a 19-inch rack Left Right Step 2: As shown in Figure 3-2, horizontally mount the device to an appropriate position inside the rack and use M6 screws and cage nuts to secure the other end of the mounting brackets to square hole posts of the rack.
  • Page 23 Figure 3-3 Securing the Switch 3.3.2 Mounting the Switch at the Bottom of a Table The RG-SF2920U series switches can be directly installed at the bottom of a table. Maintain sufficient space around the device for heat dissipation. The installation requirements are as follows: The bottom of the table must be well-ventilated.
  • Page 24 The location where the device is mounted and operated must be subject to movement restrictions. 3.3.3 Mounting the Switch on a Wall or Workbench The RG-SF2920U series switches can be mounted on a wall. The installation requirements are as follows: No obstacle is allowed within 90 mm in front of the switch.
  • Page 25 3.3.4 Installing the Switch in a Weak-Current Box The RG-SF2920U series switches can be installed in a weak-current box. The installation requirements are as follows: The ambient temperature around the weak-current box needs to be lower than or equal to 40° C.
  • Page 26 Hardware Installation and Reference Guide Product Installation When the device needs to be installed in a weak-current box, the size of the weak-current box should be greater than 400 mm × 300 mm × 120 mm, with the opening rate greater than 15%. 4.
  • Page 27 Hardware Installation and Reference Guide Product Installation Optional fastening position 2 Optional fastening position 1 ② Place the device on the bracket and connect a network cable to a network port. ③ Connect the power cord to the device, confirm the power supply, close the door of the weak-current box, and lock it with the key.
  • Page 28 Hardware Installation and Reference Guide Product Installation ① The bracket is installed on the first hole by default (the hole is 4 mm away from (the bottom). If the power port of the device faces downward, remove the bracket and install it to the second hole (7 mm away from the bottom). Optional fastening position 2...
  • Page 29 3.3.5 Combined Model of Dual-Network Deployment on One Switch 3.3.5.1 Installation The RG-SF2920U series switches can be used in combination with RG-MF2920U-EXTENDULE to implement dual- network deployment on one switch. For details of RG-MF2920U-EXTENDULE, visit Ruijie official website. The installation process is as follows: ①...
  • Page 30 Hardware Installation and Reference Guide Product Installation Install the inner cover, align holes, and fasten the screw. ③ Connect optical fibers and the power cable. Connect optical fibers and the power cable. ④ Install the outer cover of RG-MF2920U-EXTENDULE. Install the outer cover.
  • Page 31 Hardware Installation and Reference Guide Product Installation Wall Converter Ground Ground Note: Do not place MF2920U-EXTENDULE at the bottom of the device to avert extrusion. 3.3.5.2 Disassembly ① Remove the outer cover. Put your fingers into the top cabling hole of MF2920U-EXTENDULE and remove the outer cover.
  • Page 32 Hardware Installation and Reference Guide Product Installation ③ Remove screws. Remove the screw from the front side of MF2920U-EXTENDULE. ④ Paste the film. Paste the film to hide the side hole of the switch. 3.4 Check After Installation Turn off the power to avoid personal injury and damage to components caused by incorrect connection. Verify that the ground cable is connected.

  • Page 33: System Debugging

    Hardware Installation and Reference Guide System Debugging 4 System Debugging 4.1 Setting Up the Debugging Environment Setting Up the Debugging Environment Use a network cable to connect the first network port to a PC and keep other ports empty. Connect the serial port of the device to the PC.
  • Page 34 Hardware Installation and Reference Guide System Debugging 4.2 Checking the Device Startup Check Before Device Power-On  Check that the switch is fully grounded.  Check that the power cord is properly connected.  Check that the power supply voltage meets the requirement of the switch. ...

  • Page 35: Common Troubleshooting Procedures

    5.2 Common Troubleshooting Procedures Symptom Possible Cause Solution You forget the login You forget the password after Contact Ruijie Networks Customer Service password. manually configuring it. Department for technical support. The status indicator is off Check whether the power socket in the...
  • Page 36 Hardware Installation and Reference Guide Common Troubleshooting in Installation The connected twisted pair cable is The RJ45 port is faulty. Replace the twisted pair cable. disconnected or an error The cable length exceeds 100 m. Check port configurations and whether the port occurs in the The port is specially configured and works in the same mode as the interconnected...

  • Page 37: Appendix A - Connectors And Media

    Appendix A — Connectors and Media Hardware Installation and Reference Guide Appendix A — Connectors and Media 1000BASE-T/100BASE-TX/10BASE-T Port 1000BASE-T/100BASE-TX/10BASE-T is a 10/100/1000M auto-negotiation port that supports auto MDI/MDIX Crossover. Compliant with IEEE 802.3ab, 1000BASE-T requires Category 5 or Category 5e 100-ohm UTP or STP (STP is recommended) with a maximum distance of 100 meters.
  • Page 38 Appendix A — Connectors and Media Hardware Installation and Reference Guide Straight-through cable Crossover cable Optical Fiber Connection Choose SMF or MMF optical fibers according to the SFP module types. Figure A-4 shows the connection. Figure A-4 Optical Fiber Connection Switch Switch...

  • Page 39: Appendix B - Sfp Modules

    Appendix B — SFP Modules Ruijie provide supporting SFP modules (mini-GBIC modules) and 2.5G SFP modules based on the port types of switch modules. You can select a module to suit your specific needs. This document provides models and technical specifications of some 1000M SFP modules and 2.5G SFP modules for reference.
  • Page 40 Appendix B — SFP Modules Hardware Installation and Reference Guide 2.5G-SFP-LX03-SM1550-BIDI-I Single-mode 9/125 3 km 2.5G-SFP-LX03-SM1310-BIDI-I Single-mode 9/125 3 km GE-SFP-LX20-SM1310-BIDI Single-mode 9/125 20 km GE-SFP-LX20-SM1550-BIDI Single-mode 9/125 20 km SDH155-SFP-SX-MM850 Multi-mode 62.5/125 500 m SDH155-SFP-SX-MM1310 Multi-mode 62.5/125 2 km SDH155-SFP-LH15-SM1310 Single-mode 9/125...

  • Page 41: Appendix C - Lightning Protection

    Appendix C — Lightning Protection Hardware Installation and Reference Guide Appendix C — Lightning Protection Installing an AC Power Arrester (Lightning Resistance Socket) When an AC power cord is introduced from outdoors and directly connected to the power port of the switch, the AC power port must be connected to an external lightning resistance socket to protect the switch against lightning strokes.
  • Page 42 Appendix C — Lightning Protection Hardware Installation and Reference Guide Installing the Ethernet Port Arrester Connect an Ethernet port arrester to the switch to prevent the damage by lightning before connecting an outdoor network cable to the switch. Tools: Phillips screwdrivers or flat-head screwdriver, multimeter, and diagonal pliers Installation steps: Tear one side of the protective paper for the double-sided adhesive tape and paste the tape to the housing of the Ethernet port arrester.
  • Page 43 Appendix C — Lightning Protection Hardware Installation and Reference Guide  Incomplete arrester installation. If there is more than one port connected to the peer device on the switch, arresters need to be installed on all connection ports for the purpose of lightning protection.

  • Page 44: Appendix D - Cabling Recommendations

    Appendix D — Cabling Recommendations Hardware Installation and Reference Guide Appendix D — Cabling Recommendations When the switch is installed in a standard 19-inch cabinet, secure the cables around the cable management brackets. Adopt top cabling or bottom cabling according to the actual situation in the equipment room. All cable connectors used for transit should be placed at the bottom of the cabinet rather than be exposed outside of the cabinet.
  • Page 45 Appendix D — Cabling Recommendations Hardware Installation and Reference Guide  Route and bind power, signal, ground cables separately. When the cables are close to each other, cross them. Mixed binding is not allowed. When they are close to each other, it is recommended to adopt crossover cabling. In the case of parallel cabling, maintain a minimum distance of 30 mm between power cords and signal cables.
  • Page 46 Appendix D — Cabling Recommendations Hardware Installation and Reference Guide  Cables not to be assembled or remaining parts of cables should be folded and placed in a proper position of the cabinet or cable trough. The proper position refers to a position that does not affect device running or damage the switch or cable.
  • Page 47 Appendix D — Cabling Recommendations Hardware Installation and Reference Guide Flat washer Flat Spring washer washer  When using a stiff cable, fix it near the cable lug to avoid stress on the lug and cable.  Do not use self-tapping screws to fasten terminal blocks. ...

  • Page 48: Appendix E - Equipment Room Site Selection

    Appendix E — Equipment Room Site Selection Hardware Installation and Reference Guide Appendix E — Equipment Room Site Selection  The equipment room should be at least 5 km away from heavy pollution sources, such as the smelter works, coal mine, and thermal power plant.

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