H3C S12500G-AF Series Installation Manual
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H3C S12500G-AF Series Installation Manual

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H3C S12500G-AF Switch Series
Installation Guide
New H3C Technologies Co., Ltd.
http://www.h3c.com
Document version: 6W102-20221025

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  • Page 1 H3C S12500G-AF Switch Series Installation Guide New H3C Technologies Co., Ltd. http://www.h3c.com Document version: 6W102-20221025...
  • Page 2 The information in this document is subject to change without notice. All contents in this document, including statements, information, and recommendations, are believed to be accurate, but they are presented without warranty of any kind, express or implied. H3C shall not be liable for technical or editorial errors or omissions contained herein.
  • Page 3 Preface This installation guides you through installation of your S12500G-AF switch. It covers the following topics: • Preparing for installation. • Installing the switch. • Installing FRUs. • Setting up an IRF fabric. • Connecting your switch to the network. •...
  • Page 4 Convention Description The argument or keyword and argument combination before the ampersand (&) sign &<1-n> can be entered 1 to n times. A line that starts with a pound (#) sign is comments. GUI conventions Convention Description Window names, button names, field names, and menu items are in Boldface. For Boldface example, the New User window opens;...
  • Page 5 It is normal that the port numbers, sample output, screenshots, and other information in the examples differ from what you have on your device. Documentation feedback You can e-mail your comments about product documentation to info@h3c.com. We appreciate your comments.
  • Page 6 Contents 1 Installation precautions ············································································ 1-1 Installing the switch ········································································································································· 1-1 Installing a module ·········································································································································· 1-1 Installing a fan tray ·········································································································································· 1-1 Connecting the power cords ··························································································································· 1-2...
  • Page 7 Installation precautions Installing the switch • The switch is heavy. For rack stability, install it at a lowest possible position on the rack. • Hold the chassis handles to move the switch. Do not hold the handle of a fan tray, a power module, or a module, or the air vents of the chassis to move the switch.
  • Page 8 • The switch provides two fan tray slots. To ensure normal operation of the switch and reduce noises, install a fan tray in each slot. • To prevent dust from entering the chassis, make sure each fan tray slot has a filler panel or fan tray installed when the switch is not in use.
  • Page 9 Contents 2 Preparing for installation ·········································································· 2-1 Safety recommendations ································································································································ 2-1 General safety recommendations ··········································································································· 2-1 Electricity safety ······································································································································ 2-1 Moving safety ·········································································································································· 2-1 ESD prevention ······································································································································· 2-2 Laser safety ············································································································································· 2-2 Examining the installation site ························································································································· 2-2 Weight support ········································································································································ 2-2 Temperature ············································································································································...
  • Page 10 Preparing for installation H3C S12500G-AF Switch Series includes the following models: • S12516G-AF • S12508G-AF • S12504G-AF Safety recommendations To avoid possible bodily injury and equipment damage, read Compliance and Safety Manual provided with the switch and all safety recommendations in this chapter carefully before installation.
  • Page 11 The total weight of the switch includes the chassis and its components (for example, modules and power modules) and accessories. For the weights of the switch and its components, see "Chassis view and technical specifications" in H3C S12500G-AF Switch Series Hardware Information and Specifications.
  • Page 12 Table2-1 Temperature requirements Temperature Range Operating temperature 0°C to 40°C (32°F to 104°F) Storage temperature –40°C to +70°C (–40°F to +158°F) Humidity Maintain appropriate humidity in your equipment room, as described in Table2-2. • Lasting high relative humidity can cause poor insulation, electricity leakage, mechanical property change of materials, and metal corrosion.
  • Page 13 Calculate the system power consumption. The system power consumption varies by module types and quantities. For more information about the system power consumption, see "Chassis views and technical specifications" in H3C S12500G-AF Switch Series Hardware Information and Specifications. Identify the number of power modules based on the system power consumption.
  • Page 14 • The rack for the switch has a good cooling system. • The installation site has a good cooling system. • Verify that the airflow design of the chassis meets the airflow design of the installation site. Figure2-1 Airflow through the switch (S12508G-AF switch) (1) Chassis air intake direction (2) Chassis air exhaust direction Space...
  • Page 15 Applicable Product code Description Quantity device models S12508G-AF mounting brackets 2150A0AX 1 pair S12508G-AF S12504G-AF mounting brackets 2150A0BW 1 pair S12504G-AF • S12516G-AF: S12500G-AF service module filler panel • S12508G-AF: All S12500G-AF 2113A0YV models • S12504G-AF: • S12516G-AF: S12500G-AF power module filler panel •...
  • Page 16 Applicable Product code Description Quantity device models 14 kits • S12504G-AF: 12 kits Releasable cable tie All S12500G-AF 2110A042 models Velcro strap All S12500G-AF 2110A05W models Grounding cable All S12500G-AF 0404A0EE models ESD wrist strap All S12500G-AF 28050001 models Console cable All S12500G-AF 04042967 models...
  • Page 17 Contents 3 Installing the switch ·················································································· 3-1 Confirming installation preparations ················································································································ 3-1 Installing the switch in a rack ·························································································································· 3-2 Switch dimensions and rack requirements ······························································································ 3-2 Attaching slide rails to the rack ··············································································································· 3-4 Installing cage nuts for attaching mounting brackets ············································································ 3-10 Mounting the switch in a rack ················································································································...
  • Page 18 The rack power supplying capabilities meet the device requirements. For information about the system power consumptions, module power consumptions, and power module specifications, see H3C S12500G-AF Switch Series Hardware Information and Specifications. • The total height of the switches to be installed is not higher than the available installation height of the rack and enough clearance is reserved for cable routing.
  • Page 19 Installing the switch in a rack Switch dimensions and rack requirements Figure3-1 S12516G-AF switch dimensions 102 mm 875 mm (34.45 in) (4.02 in) (1) Fan tray handle (2) Mounting bracket (3) Cable management bracket Figure3-2 S12508G-AF switch dimensions 102 mm 875 mm (34.45 in) (4.02 in) (1) Fan tray handle...
  • Page 20 Figure3-3 S12504G-AF dimensions (with the LSXM104XFAN fan trays) 875 mm (34.45 in) 102 mm (4.02 in) (1) Fan tray handle (2) Mounting bracket (3) Cable management bracket Figure3-4 S12504G-AF dimensions (with the LSXM104XFANH fan trays) 102 mm 914 mm (35.98 in) (4.02 in) (1) Fan tray handle (2) Mounting bracket...
  • Page 21 Model Chassis depth Rack requirements • Total depth—1016 mm (40 in) when the LSXM104XFANH fan trays are installed: 102 mm (4.02 in) from the rack-facing  surface of the mounting brackets to the front ends of the cable management brackets 914 mm (35.98 in) from the rack-facing ...
  • Page 22 Figure3-5 Left slide rail 1 RU 1 RU (Rack Unit) = 44.45 mm (1.75 in) (1) Slide rail installation hole (2) Sign (3) Guide rail (4) Front plate installation hole (5) Locating tongue Table3-3 Description for signs on the slide rails Sign Meaning Remarks...
  • Page 23 Figure3-6 Rear of a front plate (1) Installation hole b. Align the installation holes in the front plate with the front plate installation holes in the slide rails, and fasten the screws, as shown by callout 3 in Figure3-7. Two M4 screws are required to secure the front plate to the rack. Figure3-7 Installing the LSXM1BSR slide rails Attaching the LSTM2KSGD0 slide rails (for the S12508G-AF switches) Read the signs on the slide rails to identify the right and left slide rails and their front and rear...
  • Page 24 Figure3-8 Right slide rail 1RU (Rack Unit) = 44.45 mm (1.75 in) (1) Guide rail (2) Sign (3) Installation hole Table3-4 Description for signs on the slide rails Sign Meaning Remarks Front end of the left slide rail Mount this end to the front left rack post. Front end of the right slide rail Mount this end to the front right rack post.
  • Page 25 Figure3-9 Installing the LSTM2KSGD0 slide rails Attaching the LSVM1BSR10 slide rails (for the S12504G-AF) Read the signs on the slide rails to identify the right and left slide rails and their front and rear ends. Figure3-10 Right slide rail (1) Sign (2) Guide rail...
  • Page 26 (3) Ventilation holes (4) Installation hole Mark the slide rail installation position on the rack posts. Make sure the positioning tabs at the two ends of the slide rail are inserted into the lowest  square holes within the 2 RU space on the rack posts. The installation holes on the slide rails are aligned with the square holes in the rack posts.
  • Page 27 Figure3-11 Installing the LSVM1BSR10 slide rails (1) Positioning tab Installing cage nuts for attaching mounting brackets Before mounting the chassis in the rack, install cage nuts on the front rack posts for attaching the mounting brackets: As shown in Figure3-12, Figure3-13, and Figure3-14, mark the cage nut installation holes for the S12516G-AF, S12508G-AF, and S12504G-AF, respectively.
  • Page 28 Figure3-12 Marking cage nut installation holes for attaching mounting brackets (for the S12516G-AF switch) 3-11...
  • Page 29 Figure3-13 Marking cage nut installation holes for attaching mounting brackets (for the S12508G-AF switch) Figure3-14 Marking cage nut installation holes for attaching mounting brackets (for the S12504G-AF switch) 3-12...
  • Page 30 Mounting the switch in a rack CAUTION: • Hold the chassis handles to move the switch. Do not hold the handle of a fan tray, a power module, or a module, or the air vents of the chassis to carry the switch. Any attempt to carry the switch with these parts might cause equipment damage or even bodily injury.
  • Page 31 Figure3-15 Mounting the S12508G-AF switch in the rack Grounding the switch CAUTION: • Reliably grounding the switch is crucial to lightning protection and EMI protection. Ground the switch reliably before you use it. • Use the grounding cable (yellow-green grounding cable) provided with the switch. •...
  • Page 32 Figure3-16 Connecting the grounding cable to a grounding strip 3-15...
  • Page 33 Contents 4 Installing FRUs ························································································ 4-1 Attaching an ESD wrist strap ·························································································································· 4-1 Installing modules ··········································································································································· 4-2 Installing MPUs ······································································································································· 4-2 Installing service modules ······················································································································· 4-4 Installing cable management brackets ···································································································· 4-4 Installing fabric modules ·························································································································· 4-5 Installing fan trays ··········································································································································· 4-8 Installing power modules·······························································································································...
  • Page 34 Installing FRUs As a best practice, connect power cords after installing all required FRUs. To ensure good ventilation, install filler panels in unused slots. Long-time exposure to strong air flow might cause discomfort. To avoid this hazard, do not stand close to the air outlet vents while the switch is operating.
  • Page 35 Unless otherwise stated, MPUs, service modules, and fabric modules are collectively referred to as "modules" in this document. The modules are hot swappable. For the modules available for the switch, see "FRUs and compatibility matrixes" in H3C S12500G-AF Switch Series Hardware Information and Specifications.
  • Page 36 Figure4-2 Installing an MPU (S12508G-AF switch) Installing an MPU for the S12504G-AF The MPU slot numbers on the chassis and the module identifiers on the S12504G-AF MPUs are pink marked. To install an MPU for the S12504G-AF: As shown by callouts 1 and 2 in Figure4-3, remove the filler panel from the target MPU slot. Keep the removed filler panel secure for future use.
  • Page 37 Fasten the captive screws on the MPU. Figure4-3 Installing an MPU (S12504G-AF) Installing service modules CAUTION: • To prevent a filler panel from being drawn into the chassis when fan speed is high, use both hands to grasp the filler panel by its two sides during filler panel installation and removal on an operating switch.
  • Page 38 Figure4-4 Installing a cable management bracket (S12508G-AF switch) NOTE: You must press the spring tab while removing a cable management bracket. Installing fabric modules CAUTION: • Before you install a fabric module on the switch, make sure the connectors on the fabric module are not damaged or blocked.
  • Page 39 Figure4-5 Removing the protection box from the fabric module (S12508G-AF fabric module) As shown by callout 1 in Figure4-6, release the ejector levers by pressing the spring clips for the ejector levers. Correctly orient the fabric module. Hold the fabric module front panel near the ejector levers with one hand and support the module bottom with the other.
  • Page 40 The switch comes with empty fabric module slots. Install a filler panel in a fabric module slot if you are not to install a fabric module in it. To install a filler panel in a fabric module slot: Loosen the captive screws on the ejector levers and rotate outward the ejector levers. Orient the filler panel correctly.
  • Page 41 Figure4-8 Removing a filler panel from a fabric module slot (S12508G-AF switch) Installing fan trays WARNING! When removing the fan tray, keep your hands and fingers away from the spinning fan blades. Let the fan blades completely stop before you remove the fan tray. CAUTION: •...
  • Page 42 IMPORTANT: A fan tray covers fabric module slots. Install the fabric modules or filler panels in the fabric module slots before installing a fan tray. • If a fabric module is installed in a fabric module slot, make sure the spring clips lock the ejector levers of the fabric module in place.
  • Page 43 Figure4-9 Installing a fan tray (S12508G-AF switch) Installing fan trays for the S12504G-AF IMPORTANT: Captive screws are required to install a fan tray on the switch. As a best practice, fasten a captive screw to a torque of 5.5 kgf-cm (0.54 Nm). To install a fan tray for the S12504G-AF: Orient the fan tray correctly.
  • Page 44 Figure4-10 Installing a fan tray (S12504G-AF switch) Installing power modules The power module slots are located on both sides of the rear panel. The installation procedure is similar for DC and AC power modules. To install a power module: If a filler panel is installed in the slot, remove the filler panel first. As shown in Figure4-11, use your forefinger to hold the filler panel through the hole and pull out the filler panel along the guide rails.
  • Page 45 Figure4-12 Installing a power module (S12508G-AF switch) Connecting the power cord CAUTION: • Power on the switch after you have installed fan trays on the switch. • Make sure each power cord has a separate circuit breaker. • Turn off the circuit breaker before you connect the power cord. Connecting an AC power cord Connect the AC power cord connector to the AC input receptacle of the power module.
  • Page 46 Figure4-13 Using a removable cable tie to secure the power cord to the switch (S12508G-AF switch) Connecting a DC power cord Connect the DC power cord connector to the DC input receptacle of the power module. Fasten the screw on the connector to secure the connector to the receptacle. Connect the other end of the power cord to an external DC power source.
  • Page 47 CAUTION: • Be careful not to touch the golden plating on a transceiver module during the installation process. • To avoid network cable damage and signal loss, do not strain or tangle a network cable. • Make sure the transceiver module is aligned correctly with the target port before pushing it into the port.
  • Page 48 Figure4-15 Installing an SFP+ transceiver module Connecting a network cable CAUTION: • The bend radius of a DAC cable must be a minimum of 15 times the cable diameter. • The bend radius of an AOC cable must be a minimum of 20 times the cable diameter. To connect ports over a short distance, use network cables as follows: •...
  • Page 49 Figure4-16 Connecting an SFP+ DAC cable (1) Pull latch (2) Connector 4-16...
  • Page 50 Contents 5 Setting up an IRF fabric ··········································································· 5-1 IRF fabric setup flowchart ······························································································································· 5-1 Planning IRF fabric setup ································································································································ 5-2 Planning IRF fabric size and the installation site ····················································································· 5-2 Identifying the master switch and planning IRF member IDs ·································································· 5-2 Planning IRF topology and connections··································································································...
  • Page 51 Setting up an IRF fabric You can use H3C IRF technology to connect and virtualize S12500G-AF switches into a large virtual switch called an "IRF fabric" for flattened network topology, high availability, scalability, and manageability. For more information about IRF, see H3C S12500G-AF Switch Series IRF Configuration Guide.
  • Page 52 Planning IRF fabric size and the installation site Plan IRF fabric size and the installation site, as follows: Use H3C S12500G-AF Switch Series IRF Configuration Guide as a reference to identify the number of member switches that your system software version supports for an S12500G-AF IRF fabric.
  • Page 53 Planning IRF topology and connections Connect the IRF member switches through IRF ports, the logical interfaces for the connections between IRF member switches. Each IRF member switch has two IRF ports: IRF-port 1 and IRF-port 2. To use an IRF port, you must bind a minimum of one physical port to it. When connecting two neighboring IRF member switches, you must connect the physical ports of IRF-port 1 on one switch to the physical ports of IRF-port 2 on the other switch.
  • Page 54 Create a Layer 3 interface, assign it an IP address, and make sure the IRF fabric and the remote network management station can reach each other. Use Telnet or SNMP to access the IRF fabric from the network management station. (See H3C S12500G-AF Switch Series Fundamentals Configuration Guide.) Verify that you can manage all member switches as if they were one node.
  • Page 55 To avoid IP address collision and network problems, configure a minimum of one MAD mechanism to detect the presence of multiple identical IRF fabrics and handle collisions. For more information about MAD, see H3C S12500G-AF Switch Series IRF Configuration Guide.
  • Page 56 Contents 6 Connecting your switch to the network ····················································· 6-1 Accessing the switch for the first time ············································································································· 6-1 Setting up the configuration environment································································································ 6-1 Setting terminal parameters ···················································································································· 6-2 Powering on the switch ··························································································································· 6-2 Configuring the switch ····································································································································· 6-3 Configuring authentication on a user interface························································································...
  • Page 57 Telnet or SSH for remote access through Ethernet ports. You manage console login users at AUX user lines, and manage Telnet and SSH users at VTY user lines. For more information about login methods and user lines, see H3C S12500G-AF Switch Series Fundamentals Configuration Guide.
  • Page 58 Figure6-1 Connecting a terminal to the switch (S12508G-AF switch) Console port Setting terminal parameters To configure and manage the switch through the console port, you must run a terminal emulator program, HyperTerminal or PuTTY, on your configuration terminal. You can use the emulator program to connect a network device, a Telnet site, or an SSH site.
  • Page 59 The cooling system is working, and you can hear fan rotating noise and feel air being blown out. • The system status LEDs on the MPUs show that the system is operating normally. For more information about LED description, see "LEDs" in H3C S12500G-AF Switch Series Hardware Information and Specifications. Configuring the switch By default, the switch does not authenticate the console login user at an AUX interface.
  • Page 60 Username and password hierarchical user management roles cooperate to manage the switch For more information about login methods, see H3C S12500G-AF Switch Series Fundamentals Configuration Guide. Configuring the basic access function The switch without any configuration can perform basic data forwarding immediately after it is connected to a network.
  • Page 61 [Sysname] stp instance 1 root primary # Enable MSTP globally. [Sysname] stp global enable For more information about these features, see H3C S12500G-AF Switch Series Configuration Guides. Verifying the network configuration To verify the software version and network configuration, execute commands in any view.
  • Page 62 Plug the other end of the cable to the RJ-45 port of the peer device. Verify that the RJ-45 ports are operating correctly by examining the LED status. For more information about the LED status, see "LEDs" in H3C S12500G-AF Switch Series Hardware Information and Specifications.
  • Page 63 MPO plug QSFP+ module Examine the port LEDs for incorrect connection. For more information about the LED status, see H3C S12500G-AF Switch Series Hardware Information and Specifications. NOTE: For the QSFP+/QSFP28 transceiver module, you do not need to differentiate between the transmitter (TX) and receiver (RX) ports.
  • Page 64 Contents 7 Troubleshooting ······················································································· 7-1 Troubleshooting methods································································································································ 7-1 Configuration terminal display issues at startup······························································································ 7-1 No display on the configuration terminal ································································································· 7-1 Garbled display on the configuration terminal ························································································· 7-2 System failures during operation ···················································································································· 7-2 Power module failure ······································································································································ 7-2 Fan tray failure ················································································································································...
  • Page 65 • The MPUs and service modules provide port status LEDs, with which you can detect port failures. For more information about port status LEDs, see H3C S12500G-AF Switch Series Hardware Information and Specifications. If you cannot locate failures by following the guidelines in this chapter, contact the local agents or technical support engineers.
  • Page 66 When a power module is faulty, the power module LED is steady red. • On the power module, the input LED is off, or the output LED is red. For more information about the LEDs, see H3C S12500G-AF Switch Series Hardware Information and Specifications. NOTE: After a power module is disconnected from its power source, the input and output LEDs on the power module stay on for several seconds.
  • Page 67 If the new power module can operate correctly, the old power module has failed. Contact your sales agent or local service engineer to replace the old power module. 10. If the issue persists, contact H3C Support. Fan tray failure...
  • Page 68 Calculate the total power consumption, and make sure your power modules can provide enough power. For more information, see H3C S12500G-AF Switch Series Hardware Information and Specifications. Remove and reinstall the service module to make sure it is installed securely. For more information about installing a service module, see "Installing MPUs and service modules."...
  • Page 69 Fabric module failure Symptom The LEDs for a fabric module are in the following states: • On the MPU, the slot status LED for the fabric module is steady red or flashing red. • On the fan tray, the RUN LED for the fabric module is off. On the S12516G-AF and S12508G-AF fan trays, the RUN and ALM LED pairs correspond ...
  • Page 70 Calculate the total power consumption, and make sure your power modules can provide enough power. For more information, see H3C S12500G-AF Switch Series Hardware Information and Specifications. Remove and reinstall the fabric module to make sure the module is installed securely. You also need to verify that the ejector levers are locked securely in place.
  • Page 71 If the interface uses a transceiver module, perform the following tasks: a. Make sure the interface type is compatible with the transceiver and that the transceiver is compatible with the cable. For more information, see H3C S12500G-AF Switch Series Hardware Information and Specifications.
  • Page 72 Contents 8 Replacement procedures ········································································· 8-1 Replacing a power module······························································································································ 8-1 Replacing a module ········································································································································ 8-2 Replacing an MPU or service module ····································································································· 8-2 Replacing a fabric module ······················································································································· 8-4 Replacing a fan tray ········································································································································ 8-5 Replacing a transceiver module or network cable ·························································································· 8-6 Replacing an SFP+/SFP/SFP28/QSFP+/QSFP28/QSFP-DD transceiver module ·································...
  • Page 73 Replacement procedures CAUTION: • When replacing FRUs while the switch is operating, ensure electrical safety. • To avoid bodily injury and device damage, follow the replacement procedures strictly. • Long-time exposure to strong air flow might cause discomfort. To avoid this hazard, do not stand close to the air outlet vents while the switch is operating.
  • Page 74 Press the latch on the power module to the handle direction and pull the power module part way out of the slot. Holding the power module handle with one hand and supporting the power module bottom with another, pull the power module slowly out of the slot. Place the removed power module on the antistatic mat.
  • Page 75 As shown by callout 3 in Figure8-4, supporting the MPU or service module bottom with the left hand, slowly pull the MPU or service module out of the slot along the guide rails with the right hand. Place the removed MPU or service module on the antistatic mat. Install a new MPU or service module.
  • Page 76 • Fan trays cover fabric module slots. To remove a fabric module, first remove the fan tray that covers the fabric module. For more information about the relationship between fabric module slots and fan tray slots, see H3C S12500G-AF Switch Series Hardware Information and Specifications.
  • Page 77 Figure8-6 Replacing a fabric module (S12508G-AF switch) Replacing a fan tray WARNING! • To avoid bodily injury, do not touch the spinning fans when you replace the fan tray. • When you hot swap a fabric module, only one fan tray is operating and it automatically increases the fan rotation speed and makes louder noise.
  • Page 78 Figure8-7 Removing a fan tray (S12508G-AF switch) Replacing a transceiver module or network cable CAUTION: • Make sure the transceiver modules at the two ends of an optical fiber are the same model. • In case of limited space, you can use the provided tweezers and other tools to remove a transceiver module or optical fiber.
  • Page 79 Remove the optical fibers from the transceiver module. Pull down the bail latch on the transceiver module to the horizontal position. For a plastic pull latch, skip this step. Hold the bail latch to pull the transceiver module horizontally and slowly out of the port. Insert the dust plugs into the removed module, and put the removed module into its original packaging materials.
  • Page 80 Contents Appendix A Engineering labels ·································································A-1 Labels for cables ············································································································································ A-1 Labels for network cables ······················································································································ A-1 Labels for power cords ··························································································································· A-1 Generic labels ········································································································································ A-2 Labels for devices ·········································································································································· A-3 Filling in labels················································································································································ A-3 Affixing labels ················································································································································· A-3 Affixing a label to a network cable ··········································································································...
  • Page 81 Appendix A Engineering labels Engineering labels (labels for cables and labels for devices) are used to identify cables and devices for easy maintenance after installation. Labels for cables You can affix labels to network cables (twisted-pair cables and optical fibers) and power cords (AC and DC power cords).
  • Page 82 FigureA-2 Label for power cords (1) Cable tie (2) Dividing line on the label Generic labels A generic label is bar-shaped with fixed dimensions. It is applicable to all cables. A mark "TO:" is located at the upper left corner in the right area of the label to identify the peer end of the cable on which the label is affixed.
  • Page 83 FigureA-3 Generic label (1) Dividing line on the label (2) Cut dotted line Labels for devices A device label is used to identify the device name, model, address, installation date, and so on. Filling in labels You can print or write desired contents on labels. HP recommends that you print labels. To print labels, select a label printer and a label template as needed.
  • Page 84 FigureA-4 Affixing a label Adhesive side B02 03 12 FigureA-5 shows the affixed labels when the cable is laid vertically and horizontally. FigureA-5 Affixed labels Affixing a label to a power cord Stick the label to the recessed rectangular area on the identification plate. You can stick the label to either side of the identification plate.
  • Page 85 FigureA-6 Affixing a label B03 -48V2 Bind cable ties on both ends of a cable. After the bundling, the finished identification plate must be on top of the cable in horizontal cabling, or on the right side of the cable in vertical cabling. Make sure the label is facing out, as shown in FigureA-7.
  • Page 86 FigureA-8 Affixing a generic label B02 03 12 Adhesive side Affixing a label to a device Remove the device label and stick it to the device. You can stick a device label to any desired position on the device. Guidelines •...
  • Page 87 Content Meaning Example Numbered in top-down and left-right order with two digits, for C—Slot number example, 01. Numbered in top-down and left-right order with two digits, for D—Ethernet port number example, 01. • M—Row number of the rack in the equipment room, in the range of A to Z.
  • Page 88 TableA-2 Information on labels affixed to the fiber between two devices Content Meaning Example • M—Row number of the rack in the equipment room, in the range of A to Z. • N—Column number of the rack in the MN—Rack number equipment room, in the range of 01 to For example, A01.
  • Page 89 Content Meaning Example B—Row number of the terminal device In the range of 01 to 99, for example, 01-01. C—Column number of the terminal device R—Optical receiving interface T—Optical transmitting interface FigureA-10 Example of a label on an optical fiber between two devices A01 01 •...
  • Page 90 TableA-4 Information on labels affixed to DC power cords Content Meaning • Loaded cabinet side—Only MN is used to identify the cabinet number (row MN(BC)-–48Vn number and column number in the equipment room). MN(BC)-RTN • Power cabinet side—MN identifies the row and column number of the power distribution equipment like the control cabinet and distribution box.
  • Page 91 TableA-5 Information on labels affixed to AC power cords Content Meaning MN: Rack number (row number and column number in the equipment room) or the location of the socket where the power is led in. The location of the socket is marked according to onsite situation. If the sockets can be MN-AC identified by row number and column number, they can be numbered following the same rule for the rack number.
  • Page 92 FigureA-14 Example of a device label A-12...
  • Page 93 Contents Appendix B Cabling recommendations ·····················································B-1 Routing signal cables ····································································································································· B-1 Routing power cords ······································································································································ B-1 General cabling requirements ························································································································ B-1 Prerequisites ·················································································································································· B-2 Cable management guidelines ······················································································································ B-2...
  • Page 94 Appendix B Cabling recommendations Routing signal cables The cable management brackets are installed on the two sides of the service module section. As a best practice, route signal cables as shown in FigureB-1. FigureB-1 Routing signal cables (S12508G-AF switch) Routing power cords When you route power cords, take consideration of the layout of the equipment room, including the locations of the power distribution cabinet, AC power receptacles, and lightning protection box.
  • Page 95 • High-speed cable (SFP+ cable for example)—A minimum of five times of the cable's outer diameter. If the coaxial cable is frequently bent, plugged and unplugged, the curvature radius should be a minimum of 10 times the cable's outer diameter. Minimum curvature radius of fibers •...
  • Page 96 • Use the correct type of ties to bind the cables. Do not bind cables with joined ties. The following types of ties are available: 100 × 2.5 mm (3.94 × 0.10 in), 150 × 3.6 mm (5.91 × 0.14 in), 300 × 3.6 mm (11.81 ×...
  • Page 97 FigureB-5 Securely fastening cables (1) Flat washer (2) Spring washer (3) Nut • Fasten heavy or rigid power cords at the connectors to relief stress. • Do not use tapping screws to fasten the connecting terminals. • Bind together cables that are the same type and routed in the same direction. TableB-1 lists the cable bundling specifications.

  • Page 98: Table Of Contents

    Contents Appendix C Repacking the switch ···························································· C-1 Removing cables from the switch ·················································································································· C-1 Removing the power cords ···················································································································· C-1 Removing the console cable ·················································································································· C-1 Removing the grounding cable ·············································································································· C-1 Removing the twisted pair cables and optical fibers ·············································································· C-2 Repacking the FRUs ······································································································································...

  • Page 99: Appendix C Repacking The Switch

    Appendix C Repacking the switch This chapter describes how to repack the switch chassis, power modules, and modules. Removing cables from the switch Before repacking the switch, remove all cables such as the power cords, console cable, twisted pair cables, optical fibers, and grounding cable from the switch. Removing the power cords Switch off the circuit breakers at the input end of all power cords.

  • Page 100: Removing The Twisted Pair Cables And Optical Fibers

    FigureC-1 Removing the grounding cable Removing the twisted pair cables and optical fibers You must remove all twisted pair cables and optical fibers from the interfaces of the switch. NOTE: After pulling out an optical fiber from an optical transceiver module, cover the connector of the optical fiber with a dust cap to keep the connector clean.

  • Page 101: Repacking The Modules

    Repacking the modules Prepare the original packing materials, including the anti-static shielding bag, foam cushion, and packing box, for a module. Make sure these packing materials are clean, dry, and not damaged. Remove the transceiver modules from the module. If no transceiver module is installed, skip this step. For information about how to remove a transceiver module, see "Replacing a transceiver module or network cable."...

  • Page 102: Repacking The Switch Chassis

    As shown by callout 1 in FigureC-2, use a Phillips screwdriver to loosen the screws that attach the mounting brackets to the rack. As shown by callout 2 in FigureC-2, cooperate with a minimum of four people to slide the chassis outwards along the slide rails.
  • Page 103 Move the chassis so that the mounting holes in the pallet ear of the L-type brackets align with the mounting holes in the pallet base. Use screws to attach the L-type brackets to the wooden pallet base, as shown by callout 2 in FigureC-4 and FigureC-5.
  • Page 104 FigureC-5 Securing the chassis to the pallet base (S12504G-AF switch)
  • Page 105 FigureC-6 Locating the foam cushion and the accessory box (1) Chassis front panel side (2) Seat the mounting brackets into the internal notches of the foam cushion (3) Accessory box...

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