Ruijie RG-CS86 Series Hardware Installation And Reference Manual

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Hardware installation and reference manual (74 pages)

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Ruijie RG-CS86 Series

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Hardware Installation and Reference Guide

Document Version: V1.5

Date: 2024.09.12

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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
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/  Online support center: https://ruijienetworks.com/support  Case portal: https://caseportal.ruijienetworks.com  Community: https://community.ruijienetworks.com ...
Page 4 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.
Page 5: Table Of Contents
Contents Preface ..............................I 1 Product Overview ..........................1 1.1 RG-CS86-24MG4VS-UP ......................2 1.1.1 Specifications ......................... 2 1.1.2 Appearance ........................4 1.2 RG-CS86-48MG4VS2QXS-UPD ....................9 1.2.1 Specifications ......................... 9 1.2.2 Appearance ........................13 1.3 RG-CS86-24XMG4XS4VS-UPD ..................... 18 1.3.1 Specifications ....................... 18 1.3.2 Appearance ........................
Page 6 2.1.3 Electric Safety ......................41 2.1.4 Electrostatic Discharge Safety ..................42 2.1.5 Laser Safety ......................... 43 2.2 Installation Site Requirements ....................43 2.2.1 Cabinet Installation Requirements ................43 2.2.2 Ventilation Requirements ..................... 43 2.2.3 Temperature and Humidity Requirements ..............43 2.2.4 Cleanliness Requirements ...................
Page 7 6.1 Troubleshooting Flowchart ...................... 62 6.2 Common Faults ........................62 7 Appendix ............................65 7.1 Connectors and Connection Media ..................65 7.2 Lightning Protection ......................... 68 7.3 Cabling Recommendations...................... 71 7.4 Site Selection ........................... 74 7.5 Ruijie Intelligent Tech Assistant ....................76...
Page 8: Product Overview
(25 Gbps or 10 Gbps). Operation at mixed rates is not supported.  25GE SFP28 ports of the RG-CS86 series multi-GE switches, when operating at the rate of 25 Gbps, support optical modules, but do not support Direct Attach Copper (DAC) cables.
Page 9: Rg-Cs86-24Mg4Vs-Up
10GE SFP+ ports of the RG-CS86 series multi-GE switches support 10GBASE-R and 1000BASE-X standards. When operating in 1000BASE-X mode, these ports support auto-negotiation without manually configuring the rate and duplex mode.  40GE QSFP+ ports of the RG-CS86 series multi-GE switches support both 40GE mode and 4x10GE mode. RG-CS86-24MG4VS-UP 1.1.1...
Page 10 Hardware Installation and Reference Guide Product Overview 1 x MGMT port LED 24 x 100/1000/2.5G/5GBASE-T port LEDs 4 x 10GE/25GE SFP28 port LEDs Power supply 1 x fixed power supply AC input  Rated input voltage: 100 V AC to 240 V AC, 50 Hz to 60 Hz Power input ...
Page 11: Appearance
Hardware Installation and Reference Guide Product Overview Storage altitude: 0 m to 5,000 m (0 ft. to 16,404.20 ft.) Mean time between failure 194,297 hours (about 22 years) (MTBF) 2 x fixed fan modules 27° C (80.6° F): 40 dB Acoustic noise 45°...
Page 12 Hardware Installation and Reference Guide Product Overview Panel ID Color Status Blinking green System is being located. (10 Hz) Solid green System is operating normally. Temperature at the air intake and exhaust vents Solid yellow exceeds the threshold. Temperature at air inlets and outlets exceeds the threshold.
Page 13 Hardware Installation and Reference Guide Product Overview Panel ID Color Status Gbps. Solid yellow A 100 Mbps link is established on this port. Blinking yellow The port is sending and receiving traffic at 100 Mbps. PoE is disabled. 100/1000/2.5G/ 5GBASE-T port 1-24 Solid green PoE is enabled.
Page 14 Hardware Installation and Reference Guide Product Overview Figure 1-2 Front Panel of an RG-CS86-24MG4VS-UP Switch Note 1. System status LED 7. MGMT port 2. MGMT port LED 8. 100/1000/2.5G/5GBASE-T port LED 3. LED mode indicator 9. 100/1000/2.5G/5GBASE-T port 4. LED mode button 10.
Page 15 Hardware Installation and Reference Guide Product Overview Note The RG-CS86-24MG4VS-UP switch supports configuration, maintenance, management, program loading and system debugging through console.  Console port: The console port is an RS-232 port that uses an RJ45 connector. The console port is used to connect a PC directly to the management system for debugging, configuration, maintenance, management and program loading.
Page 16: Rg-Cs86-48Mg4Vs2Qxs-Upd
Hardware Installation and Reference Guide Product Overview Figure 1-4 Airflow Direction Figure 1-5 RG-CS86-24MG4VS-UP Product information label RG-CS86-48MG4VS2QXS-UPD 1.2.1 Specifications Model RG-CS86-48MG4VS2QXS-UPD...
Page 17 Hardware Installation and Reference Guide Product Overview Dual-core CPU, with a clock speed up to 1.25 GHz BootROM 16 MB (storing boot software for 1+1 boot redundancy) Flash memory 1 GB (storing boot software for 1+1 boot redundancy) Memory 2GB DDR4, 32-bit bandwidth and 4-bit ECC 48 x 100/1000/2.5G/5GBASE-T ports ...
Page 18 Hardware Installation and Reference Guide Product Overview 1 x system status LED 2 x power status LEDs 1 x fan status LED 1 x LED mode indicator Status LED 1 x MGMT port LED 48 x 100/1000/2.5G/5GBASE-T port LEDs 4 x 10GE/25GE SFP28 port LEDs 2 x 40GE QSFP+ port LEDs Power supply 2 x pluggable power modules...
Page 19 Hardware Installation and Reference Guide Product Overview Rack height 1 RU Unit weight 6.11 kg (13.47 lbs) Operating temperature: 0° C to 45° C (32° F to 113° F) Storage temperature: –40° C to +70° C (–40° F to +158° F) Temperature Note: At an altitude between 3,000 m (9,842.52 ft.) and 5,000 m (16,404.20 ft.), every time the altitude increases by 220 m (721.78 ft.), the maximum temperature decreases...
Page 20: Appearance
Hardware Installation and Reference Guide Product Overview Note During operation, if one fan module fails, the remaining two fan modules can still support the normal operation of the device, provided that the faulty fan module is in place. If more than two fan modules fail, replace them immediately.
Page 21 Hardware Installation and Reference Guide Product Overview Figure 1-7 Front Panel of an RG-CS86-48MG4VS2QXS-UPD Switch Note 1. LED mode indicator 8. 100/1000/2.5G/5G/10GBASE-T port LED 2. Fan status LED 9. 100/1000/2.5G/5G/10GBASE-T port 3. Power status LED (PWR2) 10. 10GE/25GE SFP28 port LED 4.
Page 22 Hardware Installation and Reference Guide Product Overview Note The RG-CS86-48MG4VS2QXS-UPD switch supports configuration, maintenance, management, program loading and system debugging through console.  Console port: The console port is an RS-232 port that uses an RJ45 connector. The console port is used to connect a PC directly to the management system for debugging, configuration, maintenance, management and program loading.
Page 23 Hardware Installation and Reference Guide Product Overview Panel ID Color Status Temperature at air inlets and outlets exceeds the threshold. Solid red System is faulty. The power module is not seated. The power module is seated and providing power Solid green to the switch.
Page 24 Hardware Installation and Reference Guide Product Overview Panel ID Color Status PoE is disabled. 100/1000/2.5G/5G BASE-T port LED 1-48 Solid green PoE is enabled. (PoE status) Solid yellow The PoE port is overloaded or faulty. No link is is established on this port. 10GE/25GE Solid green A 25/10 Gbps link is established on this port.
Page 25: Rg-Cs86-24Xmg4Xs4Vs-Upd
Hardware Installation and Reference Guide Product Overview Figure 1-9 Airflow Direction Figure 1-10 RG-CS86-48MG4VS2QXS-UPD Product information label RG-CS86-24XMG4XS4VS-UPD 1.3.1 Specifications Model RG-CS86-24XMG4XS4VS-UPD...
Page 26 Hardware Installation and Reference Guide Product Overview Dual-core CPU, with a clock speed up to 1.25 GHz BootROM 16 MB (storing boot software for 1+1 boot redundancy) Flash memory 1 GB (storing boot software for 1+1 boot redundancy) Memory 1GB DDR4, 32-bit bandwidth and 4-bit ECC 24 x 100/1000/2.5G/5G/10GBASE-T ports, supporting PoE/PoE+/PoE++ Fixed service 4 x 1GE/10GE SFP+ ports...
Page 27 Hardware Installation and Reference Guide Product Overview 4 x 10GE/25GE SFP28 port LEDs Power supply 2 x pluggable power modules Power module 1+1 power redundancy redundancy RG-PA600I-P-F: 600 W Maximum output RG-PA1000I-P-F: power  100 V AC to 130 V AC: 930 W ...
Page 28 Hardware Installation and Reference Guide Product Overview Operating altitude: 0 m to 5,000 m (0 ft. to 16,404.20 ft.) Altitude Storage altitude: 0 m to 5,000 m (0 ft. to 16,404.20 ft.) Mean time between failure 194,297 hours (about 22 years) (MTBF) 3 x pluggable fan modules Fan redundancy...
Page 29: Appearance
Hardware Installation and Reference Guide Product Overview 1.3.2 Appearance front panel RG-CS86-24XMG4XS4VS-UPD Ethernet switch, there 100/1000/2.5G/5G/10GBASE-T ports, with each PoE port supporting IEEE 802.3bt Type 4 (90 W) PoE, four 10GE optical ports, four 25GE optical ports, one management Ethernet port (MGMT), one USB port, and one console port (Console).
Page 30 Hardware Installation and Reference Guide Product Overview 5. MGMT port LED 13. 1GE/10GE SFP+ port LED 6. System status LED 14. 1GE/10GE SFP+ port 7. LED mode button 15. 10GE/25GE SFP28 port 8. USB port 16. 10GE/25GE SFP28 port LED Rear Panel Figure 1-13 Rear Panel of an RG-CS86-24XMG4XS4VS-UPD Switch...
Page 31 Hardware Installation and Reference Guide Product Overview the 1000BASE-X mode.  SFP28 ports: four 10GE/25GE SFP28 ports, supporting 25GE optical module, and 10GE optical module or DAC cable, but not 25GE copper cable. Four 10GE/25GE SFP28 ports multi-GE switches must operate at the same rate (25Gbps or 10Gbps).
Page 32 Hardware Installation and Reference Guide Product Overview Panel ID Color Status indicator Solid yellow The LED indicates the PoE power supply status. No link is is established on this port. Green A 1000 Mbps link is established on this port. The port is sending and receiving traffic at 1000 Blinking green MGMT Port LED...
Page 33 Hardware Installation and Reference Guide Product Overview Heat Dissipation RG-CS86-24XMG4XS4VS-UPD adopts the left-to-rear and front-to-rear airflow design to ensure normal operation in the specified environment. A minimum clearance of 100 mm (3.94 in.) must be maintained around the device to ensure proper ventilation. The following figure shows the airflow direction. Figure 1-14 Airflow Direction...
Page 34: Rg-Cs86-12Xmg4Vs-Up
Hardware Installation and Reference Guide Product Overview Figure 1-15 RG-CS86-24XMG4XS4VS-UPD Product information label RG-CS86-12XMG4VS-UP 1.4.1 Specifications Model RG-CS86-12XMG4VS-UP Dual-core CPU, with a clock speed up to 1.25 GHz BootROM 16 MB (storing boot software for 1+1 boot redundancy) Flash memory 1 GB (storing boot software for 1+1 boot redundancy) Memory 1GB DDR4, 32-bit bandwidth and 4-bit ECC...
Page 35 Hardware Installation and Reference Guide Product Overview 10GBASE SFP+ active optical cable (AOC) 25GBASE-SR (850 nm) 25GBASE-LR (1310 nm) 25GBASE SFP28 active optical cable (AOC) Fixed 1 x RJ45 console port management 1 x RJ45 MGMT port port 1 x USB port Button 1 x LED mode button 1 x system status LED...
Page 36 Hardware Installation and Reference Guide Product Overview Rack height 1 RU Unit weight 3.65 kg (8.82 lbs) Operating temperature: 0° C to 45° C (32° F to 113° F) Storage temperature: –40° C to +70° C (–40° F to +158° F) Temperature Note: At an altitude between 3,000 m (9,842.52 ft.) and 5,000 m (16,404.20 ft.), every time the altitude increases by 220 m (721.78 ft.), the maximum temperature decreases by 1°...
Page 37: Appearance
Hardware Installation and Reference Guide Product Overview Warning This device is not suitable for use in places where children may be present. 1.4.2 Appearance The front panel of the RG-CS86-12MG4VS-UP Ethernet switch is provided with 12 multi-GE 100/1000/2.5G/5GBASE-T ports, with each port supporting IEEE 802.3bt Type 4 (90 W) PoE, four 25G optical ports, one management Ethernet port (MGMT), one USB port, and one console port (Console).
Page 38 Hardware Installation and Reference Guide Product Overview Panel ID Color Status Green A 1000 Mbps link is established on this port. Blinking green The port is sending and receiving traffic at 1000 Mbps. Yellow A 100/10 Mbps link is established on this port. Blinking yellow The port is sending and receiving traffic at 100/10 Mbps.
Page 39 Hardware Installation and Reference Guide Product Overview Figure 1-17 Front Panel of an RG-CS86-12XMG4VS-UP Switch Note 1. System status LED 7. MGMT port 2. MGMT port LED 8. 100/1000/2.5G/5G/10GBASE-T port LED 3. LED mode indicator 9. 100/1000/2.5G/5G/10GBASE-T port 4. LED mode button 10.
Page 40 Hardware Installation and Reference Guide Product Overview Note The RG-CS86-12XMG4VS-UP switch supports configuration, maintenance, management, program loading and system debugging through console.  Console port: The console port is an RS-232 port that uses an RJ45 connector. The console port is used to connect a PC directly to the management system for debugging, configuration, maintenance, management and program loading.
Page 41: Module
Hardware Installation and Reference Guide Product Overview Figure 1-19 Airflow Direction Figure 1-20 RG-CS86-12XMG4VS-UP Product information label Module 1.5.1 RG-PA600I-P-F Power Module RG-CS86-48MG4VS2QXS-UPD, RG-CS86-24XMG4XS4VS-UPD support RG-PA600I-P-F swappable power module. The RG-PA600I-P-F is an AC module (AC/HVDC input and DC output) providing an output voltage of 56 V and an output power of up to 600 W.
Page 42 Hardware Installation and Reference Guide Product Overview Note  The switch can be powered on by either one power module or dual power modules. If both power modules are used, the switch works in the power redundancy mode. The system supports 1+1 power redundancy when the PoE load power is less than 450 W for RG-CS86-24XMG4XS4VS-UPD, and 400 W for RG-CS86-48MG4VS2QXS-UPD.
Page 43: Rg-Pa1000I-P-F Power Module
Hardware Installation and Reference Guide Product Overview Feature Description The system supports 1+1 power redundancy when the PoE load power is less than 450 W for RG-CS86-24XMG4XS4VS-UPD, and 400 W for RG-CS86- Power Redundancy 48MG4VS2QXS-UPD. Dual power modules are connected in parallel for current sharing.
Page 44 Hardware Installation and Reference Guide Product Overview Model RG-PA1000I-P-F AC input 1:  Rated input voltage: 100 V AC to 130 V AC, 50 Hz to 60 Hz  Maximum input voltage: 90 V AC to 143 V AC, 47 Hz to 63 Hz ...
Page 45: Pluggable Modules
The power cord should be connected to a powerlet with ground connection. Pluggable Modules The following table describes the compatibility between switches and optical transceivers. For more information, visit Ruijie Networks official website at https://www.ruijienetworks.com/. Choose Support > Documentation and Download >...
Page 46: Package Contents
Use pluggable modules supplied by Ruijie Networks. The reliability of modules supplied by other vendors cannot be guaranteed, which may cause service instability. If you use a module supplied by other vendors, Ruijie Networks will not be liable for the service issues and will not solve them in principle. Package Contents...
Page 47 Version) Mounting Bracket Installation Guide Warranty Manual Network Product Hazardous Substance Statement Ruijie Networks Access Product 1 (pre-installed) 1 (pre-installed) Management Software Note A normal delivery should contain the above mentioned items, which may differ from the actual delivery, depending on purchase contracts. Please check your goods carefully according to the packing list or purchase...
Page 48: Preparing For Installation
Hardware Installation and Reference Guide Preparing for Installation Preparing for Installation Safety Precautions Note  To avoid personal injury and device damage, carefully read the safety precautions before you install the device.  The following safety precautions may not cover all possible dangers. 2.1.1 Install Safety ...
Page 49: Electrostatic Discharge Safety
Hardware Installation and Reference Guide Preparing for Installation Caution  Improper or incorrect electric operations may cause a fire, electric shock, and other accidents, and lead to severe and fatal personal injury and device damage.  Direct or indirect contact with high voltage or mains power supply through wet objects may cause fatal dangers.
Page 50: Laser Safety
Hardware Installation and Reference Guide Preparing for Installation only prevent damage to the printed circuit board caused by static electricity on the body. Static electricity on clothing cannot be prevented. 2.1.5 Laser Safety Among the modules supported by the device, many optical modules are Class I laser products. Precautions ...
Page 51: Cleanliness Requirements
Hardware Installation and Reference Guide Preparing for Installation circuits of the switch.  Too high temperatures can accelerate the aging of insulation materials, greatly reducing the reliability of the switch and severely affecting its service life. The table below lists the ambient temperature and humidity requirements of the device. Model Operating Temperature Operating Humidity...
Page 52: Grounding Requirements
Hardware Installation and Reference Guide Preparing for Installation Average (mg/m3) Maximum (mg/m3) Chlorine gas (CI2) Note Average refers to the average value of harmful gases measured in one week. Maximum refers to the upper limit of a harmful gas measured in one week for up to 30 minutes every day. 2.2.5 Grounding Requirements A proper grounding system is the basis for stable and reliable operation of the device.
Page 53: Emi Requirement
Hardware Installation and Reference Guide Preparing for Installation Figure 2-1 Grounding of an RG-CS86 Series Switch 2.2.6 EMI Requirement All interference sources, either from outside or inside of the device or application system, affect the device by capacitive coupling, inductive coupling, or electromagnetic waves. Electromagnetic interference (EMI) occurs due to electromagnetic radiation or conduction, depending on the transmission path.
Page 54: Unpacking The Switch
Dust-free paper, fiber end-face microscope Meters Multimeter, bit error rate tester (BERT), optical power meter Note The RG-CS86 series multi-GE switches are delivered without a tool kit. The tool kit is customer-supplied. Unpacking the Switch Package Contents Chassis Kit Switch, yellow and green grounding cable, Quick Start Guide and Package Contents...
Page 55: Installing The Switch
Hardware Installation and Reference Guide Installing the Switch Installing the Switch The RG-CS86 series multi-GE switches must be installed indoors. Note Before installing the device, make sure that you have carefully read and met the requirements specified in Chapter 2.
Page 56: Mounting The Switch
Hardware Installation and Reference Guide Installing the Switch from bottom to up (large flat washer, spring washer, and nut), and the installation holes on the base and the expansion bolts are properly aligned.  The installed cabinet should not be moved. ...
Page 57 Hardware Installation and Reference Guide Installing the Switch The RG-CS86 series multi-GE switches meet the EIA standard, and can be installed in a 19-inch rack. During installation, place the device on the rack with the front panel facing forward. RG-CS86-48MG4VS2QXS-UPD, RG-CS86-24XMG4XS4VS-UPD switches are shipped with L brackets and shelf bracket rails.
Page 58 Hardware Installation and Reference Guide Installing the Switch Figure 3-4 Installing the Switch on a Rack (4) (5) Secure the switch on the rack by tightening the screws, as shown in Figure 3-5. Figure 3-5 Installing the Switch on a Rack (5) (6) Insert screws into the other two cage nuts and tighten them, as shown in Figure 3-6.
Page 59: Installing And Removing A Fan Module
Hardware Installation and Reference Guide Installing the Switch Figure 3-7 Mounting on a Workbench Installing and Removing a Fan Module Wear an ESD wrist strap before performing the following operation. Installing a Fan Module (1) Remove the fan module from its package. (2) Hold the handle at the end of the fan module.
Page 60: Installing And Removing A Power Module
Hardware Installation and Reference Guide Installing the Switch Removing a Fan Module (1) Tighten the captive screws on the fan module with a screwdriver. (2) Hold the fan module latch and pull the fan module out gently. (3) Install the blank panel in the empty slot. Put the removed fan module back into its package. Figure 3-9 Removing a Fan Module Caution...
Page 61: Grounding The Switch
Grounding the Switch A Ground cable is installed on the back of RG-CS86 series switch. First connect the Ground cable to the grounding terminal of the cabinet and then connect the grounding terminal to the grounding bar of the equipment room.
Page 62: Connecting The Console Port
Hardware Installation and Reference Guide Installing the Switch  By means of a power cord connected to a socket-outlet with earthing connection.  The power socket should be installed near the device and easily accessible.  During the device installation, the ground connection must always be made first and disconnected last. ...
Page 63: Verifying The Installation
Hardware Installation and Reference Guide Installing the Switch 3.11 Verifying the Installation Verifying the Cabinet  Verify that the external power supply matches with the distribution panel of the cabinet.  Verify that the front/back cabinet doors can be closed after installing the device. ...
Page 64: System Debugging
Hardware Installation and Reference Guide System Debugging System Debugging Setting Up the Configuration Environment Setting Up the Environment Connect a PC to the console port of the switch by using an Ethernet cable, as shown in Figure 4-1. Figure 4-1 Setting Up the Environment Connecting a Cable (1) Plug the crystal head of the network cable into the network port of the PC.
Page 65 Hardware Installation and Reference Guide System Debugging Figure 4-2 (3) In the Name box, enter the new connection name and click OK. The Connect to dialog will appear. From the Connect Using drop-down list, select the COM1 port to be used. Figure 4-3 (4) Click OK.
Page 66: Powering On The Switch
Hardware Installation and Reference Guide System Debugging Figure 4-4 (5) Click OK. The HyperTerminal window will appear. Powering on the Switch Checking Before Power-On  Check that the device is properly grounded.  Check that the power module is securely seated. ...
Page 67: Monitoring And Maintenance
 System temperature Note For the monitoring commands, see the RG-CS86 Series Multi-GE Switches Configuration Guide. Hardware Maintenance Maintenance of Expansion Modules If the expansion module needs to be replaced in case of a failure, the operation instructions for installation and removal of the expansion module must be followed for replacing the expansion module.
Page 68 Hardware Installation and Reference Guide Monitoring and Maintenance When a power module is faulty, unplug the power cord, replace the power module, plug the power cord in again. Replacing Lithium Battery The device has a built-in lithium battery to maintain the real-time clock without external power. To replace the lithium battery, contact technical support personnel.
Page 69: Troubleshooting
Contact Technical Support Common Faults Fault 1: The login password is forgotten. [Fault Description] Failed to log into the system. [Troubleshooting] Contact Ruijie Networks Customer Service Department for technical support. Fault 2: The AC power module does not work. [Fault Description]...
Page 70 HyperTerminal. Check whether the configuration of the serial port on the HyperTerminal is consistent with that in Configuration Guide. If there is still no output on the serial port, please contact Ruijie technical support. Fault 5: The serial port console output is garbled.
Page 71 Hardware Installation and Reference Guide Troubleshooting Troubleshooting procedure: (1) Check whether the receiving end and transmitting end are reversed. The transmitting end of a fiber port must be connected to the corresponding receiver at the other end. You can confirm both ends by exchanging the connection order of two fiber-optic cables.
Page 72: Appendix
Hardware Installation and Reference Guide Appendix Appendix Connectors and Connection Media 10GBASE-T/5GBASE-T/2.5GBASE-T/1000BASE-T/100BASE-TX Port The 10GBASE-T/5GBASE-T/2.5GBASE/1000BASE-T/100BASE-TX port supports five kinds of adaptive speeds and supports the automatic MDI/MDIX crossover function under at these five kinds of speeds. 10GBASE-T 10GBASE-T is the Ethernet standard covering copper wiring, standardized in 2006 via the IEEE 802.3an standard.
Page 73 Hardware Installation and Reference Guide Appendix (2) Separate the cables as far away from each other as possible and do not cross them. Most crosstalk occurs within a distance of 20 m (65.62 feet) away from the cable end. You are advised to not bundle the cables 5 m to 20 m (16.40 feet to 65.62 feet) away from the cable end.
Page 74 Hardware Installation and Reference Guide Appendix (3) Separate the cables as far away from each other as possible and do not cross them. Most crosstalk occurs within a distance of 25 m (65.62 feet) away from the cable end. You are advised to not bundle the cables 5 m to 25 m (16.40 feet to 65.62 feet) away from the cable end.
Page 75: Lightning Protection
Hardware Installation and Reference Guide Appendix Figure 7-3 100BASE-TX Twisted Pair Connection Optical Fiber Connection Please choose SMF or MMF optic cables according to the module types. Figure 7-4 Fiber-Optic Cable Connection 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 protection power strip to protect the switch against lightning strokes.
Page 76 Hardware Installation and Reference Guide Appendix Figure 7-5 Power Arrester Note The power arrester is not delivered with the switch. Please purchase it based on actual requirements. Precautions:  Make sure that the PE terminal of the power arrester is well grounded. ...
Page 77 Hardware Installation and Reference Guide Appendix and paste the Ethernet port arrester to the switch enclosure. The paste position for the Ethernet port arrester should be as close to the grounding terminal of the switch as possible. (2) According to the distance between the switch grounding terminal and the Ethernet port arrester, cut the grounding cable for the Ethernet port arrester and firmly crimp the grounding cable to the grounding terminal of the switch.
Page 78: Cabling Recommendations
Hardware Installation and Reference Guide Appendix that it is in good contact with the grounding terminal of the switch. Use a multimeter to confirm the contact condition after grounding.  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 79 Hardware Installation and Reference Guide Appendix Figure 7-7 Binding Cables (1)  Cables of different types (such as power cords, signal cables, and ground cables) should be separated in cabling and bundling. Mixed bundling is disallowed. When they are close to each other, you are advised to adopt crossover cabling.
Page 80 Hardware Installation and Reference Guide Appendix  When cables need to be bent, please bundle them up but do not tie cable ties within the bend. Otherwise, stress may be generated on the cables and causes the wires inside to break, as shown in Figure 7-9.
Page 81: Site Selection
Hardware Installation and Reference Guide Appendix Figure 7-10 Cable Fastening  Hard power cords should be fastened in the terminal connection area to prevent stress on terminal connection and cable.  Do not use self-tapping screws to fasten terminals.  Power cords of the same type and in the same cabling direction should be bundled up into cable bunches, with cables in cable bunches clean and straight.
Page 82 Hardware Installation and Reference Guide Appendix windward side of the pollution source perennially with advanced protection.  The machine room should be at least 3.7 km (2.30 miles) away from the sea or salt lake. Otherwise, the machine room must be sealed, with air conditioner installed for temperature control. Saline soil cannot be used for construction.
Page 83: Ruijie Intelligent Tech Assistant
Ruijie Intelligent Tech Assistant (Ruijie Intelligent Tech Assistant QR Code)  Ruijie Networks Intelligent Service: http://yixiu.ruijie.com.cn:8888/robot/interface/index.html Ruijie Intelligent Tech Assistant covers the most complete knowledge content and the highest search hit rate.  Ruijie Networks website: http://www.ruijie.com.cn/ You can obtain the latest product technical data, product troubleshooting analysis, application solutions, software upgrade information, and so on on the official website.

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