User Guide for Ruijie models including: RG-ES110F-P Mbps Unmanaged PoE Switch, RG-ES110F-P, Mbps Unmanaged PoE Switch, Unmanaged PoE Switch, PoE Switch, Switch
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DocumentDocumentRuijie Reyee RG-ES110F-P Switch Hardware Installation and Reference Guide 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 1. 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. I 2. 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. II Contents Preface .................................................................................................................................................. I 1 Product Overview .............................................................................................................................. 1 1.1 Package Contents...................................................................................................................... 1 1.2 Appearance................................................................................................................................1 1.2.1 Front Panel.....................................................................................................................2 1.2.2 Rear Panel ..................................................................................................................... 3 1.3 Technical Specifications ............................................................................................................ 4 1.4 Cooling ....................................................................................................................................... 5 2 Preparing for Installation ................................................................................................................... 6 2.1 Safety Precautions.....................................................................................................................6 2.1.1 General Safety Precautions ........................................................................................... 6 2.1.2 Handling Safety..............................................................................................................6 2.1.3 Electrical Safety ............................................................................................................. 6 2.1.4 ESD Safety.....................................................................................................................7 2.2 Installation Environment Requirements.....................................................................................7 2.2.1 Bearing Requirements ................................................................................................... 7 2.2.2 Ventilation Requirements ............................................................................................... 7 2.2.3 Space Requirements ..................................................................................................... 7 2.2.4 Temperature and Humidity Requirements ..................................................................... 8 2.2.5 Cleanliness Requirements ............................................................................................. 8 2.2.6 Grounding Requirements...............................................................................................9 2.2.7 Anti-interference Requirements ................................................................................... 10 2.2.8 Lightning Protection Requirements ............................................................................. 10 i 2.2.9 Installation Site Requirements ..................................................................................... 10 2.3 Tools ........................................................................................................................................ 10 3 Installing the Switch ........................................................................................................................ 11 3.1 Before You Begin.....................................................................................................................11 3.2 Precautions .............................................................................................................................. 11 3.3 Mounting the Switch ................................................................................................................ 11 3.3.1 Mounting the Switch on a Wall .................................................................................... 11 3.3.2 Mounting the Switch on a Workbench ......................................................................... 12 3.4 Grounding the Switch .............................................................................................................. 13 3.4.1 Connecting the Power Cord.........................................................................................13 3.5 Checking after Installation ....................................................................................................... 13 4 Verifying Operating Status .............................................................................................................. 14 4.1 Powering on the Switch ........................................................................................................... 14 4.1.1 Checklist before Power-on...........................................................................................14 4.1.2 Checklist after Power-on..............................................................................................14 5 Appendix.......................................................................................................................................... 15 5.1 Connectors and Media.............................................................................................................15 5.2 Lightning Protection ................................................................................................................. 16 5.2.1 Installing the AC Power Arrester .................................................................................. 16 5.2.2 Installing the Ethernet Port Arrester.............................................................................17 ii Hardware Installation and Reference Guide Product Overview 1 Product Overview The RG-ES110F-P switch is a 100 Mbps Ethernet PoE switch featuring ten 10/100 Mbps ports with autonegotiation and line-rate forwarding performance. As the eight downlink ports are PoE-capable and are backward compatible with the IEEE802.3at standard, the RG-ES110F-P 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 flow control and port isolation. The RG-ES110F-P 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. 1.1 Package Contents Table 1-1 Package Contents Item RG-ES110F-P Switch Power Cord (1 m/3.28 ft.) Warranty Card User Manual Quantity 1 1 1 1 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. 1.2 Appearance The RG-ES110F-P switch provides ten 10/100Base-T ports with auto-negotiation, 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. 1 Hardware Installation and Reference Guide Figure 1-1 Appearance of a RG-ES110F-P Switch Product Overview 1.2.1 Front Panel Figure 1-2 Front Panel of a RG-ES110F-P Switch Table 1-2 Front Panel Components No. Component Description 1 System LED Off: The device is not powered on. Solid on: The device is powered on. 2 Hardware Installation and Reference Guide Product Overview 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. 10/100Base-T Ethernet port Ten 10/100 Mbps Ethernet ports with auto-negotiation. Ports 1-8 are 3 with auto-negotiation PoE-capable. Solid green: A 10/100 Mbps link is established on the port. 4 10/100Base-T Link/Act LED Blinking green: The port is sending and receiving traffic at (1-10) 10/100 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 1.2.2 Rear Panel Figure 1-3 Rear Panel of a RG-ES110F-P Switch Table 1-3 Rear Panel Components No. Component Description Connect the AC power cord to the AC power connector to supply power to 1 AC power connector the switch. 3 Hardware Installation and Reference Guide Product Overview Connect to the protective ground through the grounding wire to provide 2 Grounding stud grounding protection. 1.3 Technical Specifications Table 1-4 Technical Specifications of a RG-ES110F-P Switch Model RG-ES110F-P Ports Power Supply EEE Ten 10/100 Mbps Ethernet ports with auto-negotiation Ports 1-8 are PoE-capable. AC input: Rated voltage range: 100-240 V AC Maximum voltage range: 90-264 V AC Maximum input current: 3 A Frequency: 50/60 Hz Not supported PoE PoE Power Cable Pairs Maximum Power Consumption 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: 110 W Mode A (1-2, 3-6 pairs) 110 W (full PoE load) 10 W (no PoE load) Working Mode Operating Temperature 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. 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 6 kV (Port Surge) Fan Fanless design 4 Hardware Installation and Reference Guide Certification CE Ground Current Leakage 3.5 mA Dimensions (W x D x H) 166 mm x 132.6 mm x 43 mm (6.54 in. x 5.22 in. x 1.69 in.) Weight 1.2 kg (2.65 lbs., with packaging materials) Product Overview Warning Operation of this equipment in a residential environment could cause radio interference. 1.4 Cooling The RG-ES110F-P 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. 5 Hardware Installation and Reference Guide Preparing for Installation 2 Preparing for Installation 2.1 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. 2.1.1 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. 2.1.2 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. 2.1.3 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 6 Hardware Installation and Reference Guide Preparing for Installation 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 nonaction 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. 2.1.4 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. 2.2 Installation Environment Requirements To ensure the normal operation and prolonged service life of the device, it is essential to install it indoors in a location that meets the following requirements. 2.2.1 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. 2.2.2 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. 2.2.3 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. 7 Hardware Installation and Reference Guide Preparing for Installation 2.2.4 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. 2.2.5 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 Particle Size Unit Concentration 0.5 µm Particles/m3 3.5×106 5 µm Particles/m3 3.5×104 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 Gas Sulfur dioxide (SO2) Average (mg/m3) 0.3 Hydrogen sulfide (H2S) 0.1 Maximum (mg/m3) 1.0 0.5 8 Hardware Installation and Reference Guide Gas Nitrogen dioxide (NO2) Chlorine gas (CI2) Average (mg/m3) 0.5 0.1 Preparing for Installation Maximum (mg/m3) 1.0 0.3 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. 2.2.6 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. 9 Hardware Installation and Reference Guide Preparing for Installation 2.2.7 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. 2.2.8 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. 2.2.9 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. 2.3 Tools Table 2-3 Tools Common Tools Special Tools Meters Relevant Devices Phillips screwdriver, power cords, Ethernet cables, fastening bolts, diagonal pliers, and cable ties ESD gloves, wire strippers, crimpers, RJ45 connector crimping pliers, and wire cutter Multimeter PC, display, keyboard Note The RG-ES110F-P switch is not delivered with a tool kit. The tool kit is customer-supplied. 10 Hardware Installation and Reference Guide Installing the Switch 3 Installing the Switch Caution Before installing the switch, carefully read Chapter 2 and make sure that all the requirements in Chapter 2 are met. 3.1 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. 3.2 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. 3.3 Mounting the Switch 3.3.1 Mounting the Switch on a Wall Note The RG-ES110F-P switch can be mounted on a wall (You need to prepare two KA 3 x 25 mm screws and two expansion anchors by yourself). 11 Hardware Installation and Reference Guide Installing the Switch 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. 3.3.2 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. 12 Hardware Installation and Reference Guide Figure 3-2 Mounting the Switch on a Workbench Installing the Switch 3.4 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. 3.4.1 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. 3.5 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. 13 Hardware Installation and Reference Guide Verifying Operating Status 4 Verifying Operating Status 4.1 Powering on the Switch 4.1.1 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. 4.1.2 Checklist after Power-on Verify that the cable connection is correct. Verify the LED status. 14 Hardware Installation and Reference Guide Appendix 5 Appendix 5.1 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 In addition to the above cables, a 10BASE-T port uses Category 3, 4, 5 100-ohm UTP/STP cables while a 100BASE-T port uses Category 5 100-ohm UTP/STP cables. Both support a maximum length of 100 meters (328 ft.). Figure 5-2 shows 100BASE-TX/10BASE-T pin assignments. Figure 5-2 100BASE-TX/10BASE-T Pin Assignments Figure 5-3 shows the wiring of straight-through and crossover cables for 100BASE-TX/10BASE-T ports. 15 Hardware Installation and Reference Guide Figure 5-3 100BASE-TX/10BASE-T Connection Appendix 5.2 Lightning Protection 5.2.1 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. 16 Hardware Installation and Reference Guide Appendix 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. 5.2.2 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 doublesided 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. 17 Hardware Installation and Reference Guide Figure 5-5 Installing the Ethernet Port Arrester Appendix 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. 18
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