Ruijie RG-ES110GS-P-L 10-port Unmanaged PoE Switch User Guide

Ruijie RG-ES110GS-P-L 10-port Unmanaged PoE Switch

Product Information

Specifications

• Product Name: Ruijie Reyee RG-ES110GS-P-L Switch
• Manufacturer: Ruijie Networks
• Official Website: https://reyee.ruijie.com

Product Usage Instructions

Product Overview

The Ruijie Reyee RG-ES110GS-P-L Switch is a high-performance network switch designed for use in various networking environments.

Package Contents

The package should include the following items:

• Main switch unit
• Power adapter
• User manual
• Installation CD

Appearance

The switch features a sleek and compact design with indicator lights for power and network activity.

Installation

Follow these steps to install the Ruijie Reyee RG-ES110GS-P-L Switch:

1. Choose a suitable location for the switch with proper ventilation.
2. Connect the power adapter to the switch and plug it into a power outlet.
3. Connect network cables from your devices to the switch ports.
4. Power on the switch and ensure all connections are secure.

Troubleshooting

If you encounter any issues with the switch, refer to the user manual for troubleshooting steps or contact technical support for assistance.

Maintenance

Regularly check the switch for dust accumulation and ensure proper airflow to prevent overheating. Keep the firmware updated to ensure optimal performance.

Frequently Asked Questions

Q: Where can I find technical support for the Ruijie Reyee RG-ES110GS-P-L Switch?

A: You can visit the official technical support website at https://reyee.ruijie.com/en-global/support or contact the technical support email at service_rj@ruijienetworks.com for assistance.

Document Version: V1.0
Date: 2024-03-24
Copyright © 2024 Ruijie Networks

Copyright
Copyright © 2024 Ruijie Networks
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.

Trademarks including are owned by Ruijie Networks.
All other trademarks or registered trademarks mentioned in this document are owned by their respective owners.

Disclaimer

The products, services or features you purchase are subject to commercial contracts and terms. Some or all of the products, services or features described in this document may not be within the scope of your purchase or use. Unless otherwise agreed in the contract, Ruijie Networks does not make any express or implied statement or guarantee for the content of this document.
Due to product version upgrades or other reasons, the content of this document will be updated from time to time. Ruijie Networks reserves the right to modify the content of the document without any notice or prompt.
This manual is for reference only. Ruijie Networks endeavors to ensure content accuracy and will not shoulder any responsibility for losses and damages caused due to content omissions, inaccuracies or errors.

Preface

Intended Audience
This document is intended for:

• Network engineers
• Technical support and servicing engineers
• Network administrators

Technical Support

• The official website of Ruijie Reyee: https://reyee.ruijie.com
• Technical Support Website: https://reyee.ruijie.com/en-global/support
• Case Portal: https://www.ruijienetworks.com/support/caseportal
• Community: https://community.ruijienetworks.com
• Technical Support Email: service_rj@ruijienetworks.com
• Online Robot/Live Chat: https://reyee.ruijie.com/en-global/rita

Conventions

Signs
The signs used in this document are described as below:

• Danger
  An alert that calls attention to safety operation instructions that if not understood or followed when operating the device can result in physical injury.

• 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.

• Specification
  An alert that contains a description of product or version support.

Note

This manual provides the device installation steps, hardware troubleshooting, module technical specifications, and specifications and usage guidelines for cables and connectors. It is intended for the users who have some experience in installing and maintaining network hardware. At the same time, it is assumed that the users are already familiar with the related terms and concepts.

Product Overview

The RG-ES110GS-P-L switch is a 1000 Mbps Ethernet PoE switch featuring nine 1000 Mbps ports with auto-negotiation and one 1000 Mbps SFP port with line- rate forwarding performance. As the eight ports are PoE-capable and are backward compatible with the IEEE802.3at standard, the RG-ES110GS-P-L switch can automatically detect and supply power to devices compliant with IEEE802.3at/af standards through Ethernet cables. Additionally, you can adjust the switch’s working mode by toggling the DIP switch on the front panel for extend mode and port isolation.
The RG-ES110GS-P-L switch offers easy operation and supports plug-and-play, requiring no additional configuration. It can work with a wide range of video monitoring devices and access points, providing flexibility without being limited by electrical wiring constraints. This switch is an ideal choice for small- and medium-sized Ethernet networks.

Package Contents

Table 1-1 Package Contents

Note
The package contents are subject to the purchase contract, and actual delivery may vary. Please check the items carefully against the package contents or purchase contract. If you have any questions or notice any errors, please contact your distributor.

Appearance

The RG-ES110GS-P-L switch provides nine 1000Base-T ports with auto-negotiation and one 1000 Mbps SFP port, one DIP switch, one system LED and other LEDs on the front panel, and one AC power connector and one grounding stud on the rear panel.

Figure 1-1 Appearance of a RG-ES110GS-P-L Switch

Front Panel

Figure 1-2 Front Panel of a RG-ES110GS-P-L Switch

Figure 1-3 Front Panel Components

powered on.
No.| Component| Description
---|---|---

2

| ****

DIP switch

| The DIP switch is used to adjust the switch’s working mode. Default mode: All ports can communicate with each other.

Extend mode: The rate of ports 1 to 8 is reduced to 10 Mbps. Typically, the transmission distance is 200 m (656.17 ft), which is up to 250 m (820.21 ft) in the laboratory environment with Cat5e cables or higher. In addition, factors such as cable quality, powered device performance, and ambient temperature may cause the transmission distance to be less than 250 m (820.21 ft).

Isolation mode: Ports 1 to 8 cannot communicate with each other, but they can communicate with ports 9 and 10.

3

| 1000Base-T Ethernet port with auto-negotiation| Nine 1000 Mbps Ethernet ports with auto-negotiation. Ports 1-8 are PoE-capable.

4

| ****

10/100/1000Base-T

Link/Act LED (1-9)

| Solid green: A 10/100/1000 Mbps link is established on the port.

Blinking green: The port is sending and receiving traffic at 10/100/1000 Mbps.

Off: No link is established on the port.

5

| ****

PoE LED

| Solid green: PoE is enabled. Blinking green: PoE overload occurs.

Off: PoE is disabled.

6| Nameplate| On the bottom of the device

7

| 100/1000M SFP Ethernet Port| ****

The 1000M self-adaptive Ethernet SFP port.

8

| ****

100/1000Base-T SFP port Link/Act LED (10F)

| Solid green: The port is sending and receiving traffic at 100/1000 Mbps.

Blinking green: The port is sending and receiving traffic at 100/1000 Mbps.

Off: No link is established on the port.

Rear Panel

Figure 1-4 Rear Panel of a RG-ES110GS-P-L Switch

Figure 1-5 Rear Panel Components

1

| ****

AC power connector

| Connect the AC power cord to the AC power connector to supply power to the switch.

2

| ****

Grounding stud

| Connect to the protective ground through the grounding wire to provide grounding protection.

Technical Specifications

Table 1-2 Technical Specifications of a RG-ES110GS-P-L Switch

Ports

| Nine 1000 Mbps Ethernet ports with auto-negotiation. Ports 1-8 are PoE- capable.

One 1000M self-adaptive Ethernet SFP port.

Power Supply

| AC input:

Rated voltage range: 110-240 V AC Maximum voltage range: 100-264 V AC Maximum input current: 3 A

Frequency: 50/60 Hz

EEE| Not supported
PoE| Compliant with IEEE 802.af/at Ports 1-8 are PoE/PoE+ capable.
| Maximum PoE+ output power per port: 30 W

Maximum PoE/PoE+ output power per device: 120 W

---|---
PoE Power     Cable

Pairs

| ****

Mode A (1-2, 3-6 pairs)

Maximum Power

Consumption

| 120 W (full PoE load) 10 W (no PoE load)

Working Mode

| Default mode: All ports can communicate with each other.

Extend mode: The rate of ports 1 to 8 is reduced to 10 Mbps. Typically, the transmission distance is 200 m (656.17 ft), which is up to 250 m (820.21 ft) in the laboratory environment with Cat5e cables or higher. In addition, factors such as cable quality, powered device performance, and ambient temperature may cause the transmission distance to be less than 250 m (820.21 ft).

Isolation mode: Ports 1 to 8 cannot communicate with each other, but they can communicate with ports 9 and 10.

Operating

Temperature

| ****

0ºC to 45ºC (32ºF to 113 ºF)

Storage Temperature| -40°C to 70°C (-40°F to 158°F)
Operating Humidity| 10% to 90% RH (non-condensing)
Storage Humidity| 5% to 95% RH (non-condensing)
Lightning Protection

(Port Surge)

| ****

6 kV

Fan| Fanless design
Certification| CE
Ground Leakage

Current

| ****

≤ 3.5 mA

Dimensions

(W x D x H)

| ****

190 mm x 150 mm x 43mm (7.48 in. x 5.91 in. x 1.69 in.)

Weight| 1.6 kg (3.53 lbs., with packaging materials)

Warning
Operation of this equipment in a residential environment could cause radio interference.

Cooling

The RG-ES110GS-P-L switch adopts the passive cooling design. A minimum clearance of 100 mm (3.94 in.) must be maintained around the device to ensure heat dissipation. Dust the device every three months to prevent vents from getting blocked.

Preparing for Installation

Safety Precautions

Note

• To avoid bodily injury and device damage, please carefully read the safety precautions before you install the device.
• The following safety precautions may not cover all possible dangers.

General Safety Precautions

• Do not place the device in a wet area, and keep it away from liquid.
• Keep the chassis clean and dust-free.
• Keep the device away from heat sources.
• Do not place the device, tools and accessories in walking areas.
• Do not wear loose clothes, ornaments or any other things that may be hooked by the chassis during the installation and maintenance.

Handling Safety

• Avoid handling the device frequently after the device is installed.
• Turn off all power supplies and unplug all power cords and cables before the installation or the dismantling.

Electrical Safety

Warning

• Any nonstandard and inaccurate electrical operation can lead to accidents such as fires or electric shocks, causing severe, or even fatal damage to the human body and the device.
• Direct or indirect touch through a wet object on high-voltage and mains supply can bring a fatal danger.
• Observe local regulations and specifications when performing electrical operations. Only qualified personnel should handle these tasks.
• Carefully check the work area for potential hazards, including ungrounded power system, insufficient grounding, and damp or wet ground.
• Locate the emergency power supply switch in the room before installation. In the case of an accident, cut off the power supply immediately.
• Carefully inspect the device and the environment before powering on or off the device.
• Select the right leakage protector (also called “leakage current switch” or “leakage current breaker”) for the power supply system. This device automatically disconnects the power supply in the event of leakage and the risk of electric shock. A leakage protector should meet the following requirements:
  • The rated leakage action current of each leakage protector is greater than twice of the theoretical maximum leakage current of all the power supplies in the system. For example, if a system is equipped with 16 identical power supplies, and the leakage current of each power supply is equal to or less than 3.5 mA, then the leakage current of the system totals 56 mA. A leakage protector with a rated leakage action current of 30 mA supports no more than four power supplies (that is, action current of the leakage protector/2/Maximum leakage current of each power supply = 30/2/3.5 ≈ 4.28). In this case, 16 power supplies in the system require at least four leakage protectors with a rated action current of 30 mA, with each leakage protector supporting four power supplies. Although the number of power supplies in a system differs in models, the rated leakage action current of each leakage protector divided by two must be greater than the sum of the maximum leakage current of all the power supplies.
  • The rated leakage non-action current of a leakage protector should be 50% of the leakage action current. For example, if a leakage protector has a rated leakage action current of 30 mA, the rated leakage non-action current should be 15 mA. The leakage protector will not activate unless the leakage current exceeds 15 mA.

Caution

• To ensure personal safety, each leakage protector in the system must have a rated leakage action current equal to or below 30 mA, which is the recognized safety threshold for human body current. If the total leakage current of the system exceeds twice the 30 mA limit, the system must be equipped with two or more leakage protectors to maintain safety.
• For the leakage current value, see 1.3 Technical Specifications.

ESD Safety

• Properly ground both the device and the floor.
• Keep the indoor installation environment clean and free of dust.
• Maintain appropriate humidity conditions.
• Before installing any pluggable module, wear an ESD wrist strap and make sure that it is well grounded.

Installation Environment Requirements
To ensure the normal operation and prolonged service life of the device, it is essential to I install it indoors in a location that meets the following requirements.

Bearing Requirements
Assess the combined weight of the switch and its accessories, such as power supply modules, and verify that the installation site’s ground meets the necessary specifications to ensure safe and proper operation.

Ventilation Requirements
Maintain adequate clearance around the device for air circulation and heat dissipation. After connecting various cables, bundle them or place them in cable management brackets to prevent them from blocking air vents.

Space Requirements
Do not install the device directly against a wall. Instead, maintain a minimum clearance of 0.4 m (15.75 in.) around the device for heat dissipation and device maintenance.

Temperature and Humidity Requirements

For optimal device performance and extended service life, it is essential to maintain suitable temperature and humidity conditions in the equipment room. Prolonged exposure to excessively high or low temperature and humidity can potentially cause damage to the device.

• When exposed to high relative humidity, insulating materials may exhibit poor insulation capabilities, increasing the risk of electrical leakage. Furthermore, high humidity can cause mechanical changes in materials and corrosion of metallic components.
• When exposed to low relative humidity, the insulating strip may dry out and shrink, increasing the risk of static electricity generation. This static electricity can pose a danger to the circuits inside the device.
• In a dry environment, static electricity is prone to occur and damage the internal circuits of the device.
• High temperature environments can be detrimental to the device, leading to reduced performance and a shorter service life. Prolonged exposure to elevated temperatures can expedite the device’s aging process.

Note
The ambient temperature and humidity of the switch are measured 1.5 m (59.06 in.) above the floor and 0.4 m (15.75 in.) before the switch rack when there is no protective plate in front or at the back of the rack.

Cleanliness Requirements

Dust poses a major threat to the running of the device. The buildup of dust on the device can result in static electricity, causing poor contact between the metallic joints. Dust buildup is more likely to occur in environments with low relative humidity, which not only impacts the service life of the device but also increases the likelihood of communication failure. The following table shows the specifications for dust concentration and particle size in the equipment room.

Table 2-1 Requirements for Dust

Apart from dust, the salt, acid and sulfide in the air in the equipment room must also meet strict requirements. These harmful substances will accelerate metal corrosion and component aging. Therefore, the equipment room should be properly protected against the intrusion of harmful gases, such as sulfur dioxide, hydrogen sulfide, nitrogen dioxide, and chlorine gas. The following table lists the limits for harmful gases.

Table 2-2 Requirements for Gases

Note
“Average” indicates the typical level of exposure over a one-week period, while “Maximum” refers to the highest allowable exposure level within a week, with this level being sustainable for no more than 30 minutes per day.

Grounding Requirements

A proper grounding system is crucial for ensuring stable and reliable operation of the device, as well as preventing lightning strikes and interference. To ensure proper grounding, carefully check the grounding conditions at the installation site according to the grounding specifications, and complete grounding properly based on the actual situation.

Safety Grounding
Ensure that the cabinet and power distribution device are securely grounded if the device uses the AC power supply. Failure to do so may result in an increased risk of electric shock, particularly when the insulation resistance between the power supply inside the device and the chassis decreases.

Caution

• Please adopt grounding protection connections in buildings so that the device can be connected to the protective grounding system.
• Verify that the AC socket is reliably connected to the protective grounding system of the building. If not, a protective grounding wire should be used to connect the protective grounding lug of the AC socket to the protective grounding system of the building.
• The cross-sectional area of the protective grounding wire should be at least 0.75 mm2 (18 AWG).

Lightning Grounding

The lightning protection system of facilities is standalone, and is composed of a lightning rod, a lower conductor, and a connector connected to the grounding system. The grounding system is usually used for power reference grounding and safety grounding of the cabinet. Lightning grounding is required only for facilities and is not required for the device

EMC Grounding

Grounding required for electromagnetic compatibility includes shielded grounding, filter grounding, noise and interference suppression, and level reference, which contribute to the overall grounding requirements. The grounding resistance should be smaller than 1 ohm, and the grounding terminals of the cabinet should be grounded before the running of the device.

Anti-interference Requirements

• Take interference prevention measures for the power supply system.
• Keep the device away from the grounding equipment or lightning and grounding equipment of the power device as much as possible.
• Keep the device far away from high-frequency current devices such as high-power radio transmitting stations and radar launchers.
• Take electromagnetic shielding measures when necessary.

Lightning Protection Requirements

Although the device provides a certain level of protection against lightning strikes, it remains vulnerable to exceptionally strong strikes. The following lightning protection measures should be taken:

• Ensure that the grounding cable of the cabinet is in good contact with the ground.
• Ensure that the neutral point of the AC power socket is in good contact with the ground.
• Install a power lightning arrester in front of the power input end to enhance the lightning prevention for the power supply.

Installation Site Requirements

Regardless of whether the device is installed on a wall or workbench, the following conditions must be met:

• Maintain a proper clearance around the air vents for heat dissipation.
• Place the device on a clean workbench. In hot areas, air-conditioning is recommended.
• The workbench has proper ventilation and heat dissipation.
• The workbench is sturdy enough to support the weight of the device and its accessories.
• The workbench is properly grounded.

Tools

Table 2-3 Tools

Common Tools

| Phillips screwdriver, power cords, Ethernet cables, fastening bolts, diagonal pliers, and cable ties
---|---

Special Tools

| ESD gloves, wire strippers, crimpers, RJ45 connector crimping pliers, and wire cutter
Meters| Multimeter
Relevant Devices| PC, display, keyboard

Note
The RG-ES110GS-P-L switch is not delivered with a tool kit. The tool kit is customer-supplied.

Installing the Switch

Caution
Before installing the switch, carefully read Chapter 2 and make sure that all the requirements in Chapter 2 are met.

Before You Begin

• The installation site provides sufficient space for heat dissipation.
• The installation site meets the temperature and humidity requirements of the device.
• The power supply and required current are available in the installation site.
• The Ethernet cables have been deployed in the installation site.
• The selected power supply modules meet the system power requirements.
• The position of the indoor emergency power switch is located before installation.

Precautions

To ensure the normal operation and prolonged service life of the device, observe the following precautions:

• Do not power on the device during installation.
• Install the device in a well-ventilated position.
• Do not expose the device to high temperatures.
• Keep the device away from high-voltage cables.
• Install the device indoors.
• Do not expose the device to a thunderstorm or strong electric field.
• Keep the device clean and dust-free.
• Cut off the power supply before cleaning the device.
• Do not wipe the device with a damp cloth.
• Do not wash the device with liquid.
• Do not open the enclosure when the device is working.
• Fasten the device tightly.

Mounting the Switch

Mounting the Switch on a Wall

Note

The RG-ES110GS-P-L switch can be mounted on a wall (You need to prepare two KA 3 x 25 mm screws and two expansion anchors by yourself).

The installation steps are as follows:

1. Take out two expansion anchors and two screws from the package.
2. Drill two holes on the wall at the same height, with a spacing of 120 mm (4.72 in). Insert one expansion anchor into each hole, and drive one screw into each expansion anchor.
3. Align the two mounting holes on the back of the switch over the two screws mounted on the wall, and slide the switch down onto the mounting bracket until it clicks into place.

Figure 3-1 Mounting the Switch on a Wall

Caution
When mounting the switch on a wall, ensure it is installed on a non-flammable surface such as concrete.

Mounting the Switch on a Workbench

If it is impossible to mount the switch on a wall, an alternative approach is to place it on a clean workbench. Do not relocate the workbench once the device has been mounted and is in operation to ensure stability and safety.

Figure 3-2 Mounting the Switch on a Workbench

Grounding the Switch
Connect the grounding wire to the grounding stud on the rear panel of the switch.

Note
The grounding wire is not delivered with the switch, and needs to be purchased separately.

Connecting the Power Cord

Warning
Use the power cord delivered with the switch to prevent any potential accidents.

After the switch is installed on a wall or on a workbench, connect the switch to the external interfaces with Ethernet cables. The steps are as follows:

1. Connect one end of the supplied power cord to the power connector on the switch.
2. Turn off the mains power supply and connect the other end of the power cord to the power socket.
3. Use an Ethernet cable with the RJ45 connector to connect the device to the network.

Checking after Installation

• Verify that the grounding wire is properly connected.
• Verify that the cables and the power cord are properly connected.
• Verify that cables are routed indoors. If not, verify that the power supply and ports are protected from lightning strikes.
• Verify that a minimum clearance of 100 mm (3.94 in.) is maintained around the device for heat dissipation.

Verifying Operating Status

Powering on the Switch

Checklist before Power-on

• Verify that the switch is properly grounded.
• Verify that the power cord is properly connected.
• Verify that the power supply voltage meets the requirement.
• Verify that the Ethernet cable is properly connected, the terminal (such as a PC) is started up, and parameters are properly configured.

Checklist after Power-on

• Verify that the cable connection is correct.
• Verify the LED status.

Connectors and Media

1000BASE-T/100BASE-TX/10BASE-T Ports

A 1000BASE-T/100BASE-TX/10BASE-T port is a 10/100/1000 Mbps Ethernet port that supports auto MDI/MDIX.
Compliant with the IEEE 802.3ab standard, a 1000BASE-T port requires Category 5 100-ohm UTP or Category 5e UTP/STP (STP is recommended) cables with a maximum distance of 100 meters (328 ft.).
The 1000BASE-T port uses four pairs of wires for data transmission, as shown in Figure 5-1.

Figure 5-1 1000BASE-T Connection

Figure 5-2 100BASE-TX/10BASE-T Pin Assignments

Figure 5-3 100BASE-TX/10BASE-T Connection

Lightning Protection

Installing the AC Power Arrester

The AC power connector must be connected to an external lightning protection power strip to prevent the switch from being struck by lightning when the AC power cord is introduced from the outdoor and directly connected to the power connector of the switch. The lightning protection power strip can be fixed on the cabinet, workbench, or wall in the equipment room using cable ties and screws. AC power enters the lightening protection power strip and then gets to the switch.

Figure 5-4 AC Power Arrester

Caution
The power arrester is not delivered with the switch, and needs to be purchased separately based on actual requirements.

Precautions for installation

• Ensure that the PE terminal of the power arrester is well-grounded.
• After the switch’s AC power connector is connected to the socket of the power arrester (lightning protection power strip), lightning protection function is effective when the RUN LED is Green and the ALARM LED is OFF.
• If the ALARM LED on the power arrester is Red, check whether it is caused by poor grounding connection or by the reversed connection of the Null and Live lines. Use a multimeter to measure the polarity of the power socket for the arrester when the LED is Red. If the N line is on the left and the L line is on the right (facing the socket), the arrester PE terminal is not grounded. If the L line is on the left and the N line is on the right, the polarity of the arrester power cord should be reversed. In this case, open the power arrester and rectify the polarity of the connection. If the LED is still Red, the arrester PE terminal is not grounded.

Installing the Ethernet Port Arrester

Connect an Ethernet port arrester to the switch to prevent any damage caused by lightning before connecting an outdoor network cable to the switch.
Tools: Phillips screwdrivers or flat-head screwdriver, multimeter, and diagonal pliers

Procedure:

1. Remove one side of the protective paper of the double-sided adhesive tape and paste the tape to the housing of the Ethernet port arrester. Remove the other side of the protective paper for the double-sided adhesive tape and paste the Ethernet port arrester to the switch housing. The paste position for the Ethernet port arrester should be as close to the grounding stud of the switch as possible.
2. Based on the distance between the switch grounding stud and the Ethernet port arrester, cut the grounding wire for the Ethernet port arrester and firmly tighten the grounding wire to the grounding stud of the switch.
3. Use a multimeter to check whether the grounding wire for the arrester is in good contact with the grounding stud and the housing of the switch.
4. Connect the arrester using an adapter cable (note that the external Ethernet cable is connected to the IN end, while the adapter cable connected to the switch is connected to the OUT end) and observe whether the LED on the board is normal or not.
5. Use a nylon cable tie to bundle the power cords.

Figure 5-5 Installing the Ethernet Port Arrester

Caution

• The Ethernet port arrester is only for the 10/100 Mbps Ethernet ports with an RJ-45 connector.
• The Ethernet port arrester is not delivered with the switch, and needs to be purchased separately based on actual requirements.

During the installation, pay attention to the following:

• Reversed direction of the arrester. Connect the external Ethernet cable to the IN end and connect the Ethernet port of the switch to the OUT end.
• Poor grounding of the arrester. The grounding wire of the arrester should be as short as possible to ensure that it is in good contact with the grounding stud of the switch. Use a multimeter to check the contact condition after grounding.
• Insufficient arresters. If there is more than one port on the switch connected to a device, an arrester needs to be installed on each connected port for lightning protection.

References

• Ruijie Community
• Ruijie Community
• Ruijie Reyee - Redefine your easy network
• Ruijie Reyee - Redefine your easy network
• ‎
• Support Center - Ruijie Reyee
• Ruijie Networks | Network Devices and Solutions Provider

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