H3C SR8800-X-S Series Installation Manual
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- Page 1 H3C SR8800-X-S Router Series Installation Guide New H3C Technologies Co., Ltd. http://www.h3c.com Document version: 5W104-20240926...
- 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 The H3C SR8800-X-S Router Series Installation Guide describes how to install the H3C SR8800-X-S routers. This preface includes the following topics about the documentation: • Audience. • Conventions. • Documentation feedback. Audience This documentation is intended for: • Network planners.
- Page 4 Symbols Convention Description An alert that calls attention to important information that if not understood or followed WARNING! can result in personal injury. An alert that calls attention to important information that if not understood or followed CAUTION: can result in data loss, data corruption, or damage to hardware or software. An alert that calls attention to essential information.
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Page 5: Documentation Feedback
Documentation feedback You can e-mail your comments about product documentation to info@h3c.com. We appreciate your comments. -
Page 6: Table Of Contents
Contents 1 Preparing for installation ·········································································· 1-1 Safety recommendations ································································································································ 1-1 General safety recommendations ··········································································································· 1-1 Electricity safety ······································································································································ 1-1 Moving safety ·········································································································································· 1-1 ESD prevention ······································································································································· 1-1 Laser safety ············································································································································· 1-2 Examining the installation site ························································································································· 1-2 Weight support ········································································································································ 1-2 Temperature ············································································································································... -
Page 7: Preparing For Installation
Preparing for installation This chapter describes preparations for installing an SR8800-X-S router. Safety recommendations To avoid possible bodily injury and equipment damage, read the safety recommendations carefully before installation. Note that the recommendations do not cover every possible hazardous condition. General safety recommendations •... -
Page 8: Laser Safety
• Ground the router correctly. For how to ground your router, see "Grounding the router." • Always wear an ESD wrist strap and make sure it is correctly grounded when installing FRUs. For how to use an ESD wrist strap, see "Attaching an ESD wrist strap." •... -
Page 9: Cleanliness
Table1-2 Humidity requirements Humidity Range Operating humidity 10% RH to 95% RH, noncondensing Storage humidity 5% RH to 95% RH, noncondensing Cleanliness Dust buildup on the chassis might result in electrostatic adsorption, which causes poor contact of metal components and contact points. In the worst case, electrostatic adsorption can cause communication failure. -
Page 10: Grounding
Calculate the system power consumption The system power consumption varies by card type, density, and fan tray power consumption. For more information about system power consumption calculation, see H3C SR8800-X-S Router Series Hardware Information and Specifications. Select power supplies and determine the number of power supplies. -
Page 11: Space
To install the router in a rack, make sure the rack has enough space to accommodate the router. Table1-5 for rack requirements. For more information about chassis dimensions, see H3C SR8800-X-S Router Series Hardware Information and Specifications. Table1-5 Router dimensions and rack requirements... -
Page 12: Tools And Equipment
Model Chassis dimensions Rack requirements 11 mm (0.43 in) for the grounding posts and the rear door screw at the chassis rear • Height—575 mm (22.64 in)/13 RU • A minimum of 0.8 m (2.62 ft) • Width—436 mm (17.17 in) in depth (recommended) •... - Page 13 Category Tool Needle-nose pliers Diagonal pliers Combination pliers Wire-stripping pliers Small tools Crimping pliers RJ-45 crimping pliers File Handsaw ESD wrist strap Hair brush Tweezers Paper knife Hand bellows Electric iron Auxiliary tools Solder wire Ladder Cable stripper Vacuum cleaner Crowbar Rubber hammer Lint-free paper...
- Page 14 Contents 2 Installing the router ·················································································· 2-1 Installation flow················································································································································ 2-1 Confirming installation preparations ················································································································ 2-1 Attaching slide rails and cage nuts to the rack ································································································ 2-2 Installing slide rails ·································································································································· 2-2 Installing cage nuts ································································································································· 2-2 Installing cable management bracket and mounting brackets ········································································ 2-3 Installing the cable management bracket································································································...
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Page 15: Installing The Router
Installing the router This section describes the procedure for installing the router. NOTE: • The chassis and component views in this section are for illustration only. • Keep the packages of the router and components for future use. Installation flow Figure2-1 Installation flow Start Confirm installation... -
Page 16: Attaching Slide Rails And Cage Nuts To The Rack
Before mounting the router in a rack, install slide rails on the rack. If the rack has slide rails, skip this procedure. As a best practice, use H3C slide rails for the router. For the slide rails recommended for the routers, see H3C SR8800-X-S Router Series Hardware Information and Specifications. -
Page 17: Installing Cable Management Bracket And Mounting Brackets
Figure2-2 Determining the cage nut installation positions (SR8803-X-S) (1) Cage nut installation holes Installing cable management bracket and mounting brackets Before installing the router in a rack, install the cable management bracket and mounting brackets shipped with the router. The cable management bracket is used for cabling the router, and mounting brackets are used for attaching the chassis to the rack. -
Page 18: Installing Mounting Brackets
Figure2-3 Attaching the cable management bracket to the left mounting bracket (SR8803-X-S) (1) Left mounting bracket (2) Cable management bracket (3) Screw hole for installing the cable management bracket (4) Screw for fixing the cable management bracket to the left mounting bracket Installing mounting brackets Face the front of the router, and mount the left mounting bracket to the left of the router. -
Page 19: (Optional) Installing An Air Filter
(Optional) Installing an air filter Air filters are optional components for the router. If you have ordered an air filter, install the air filter before mounting the router in the rack. To install the air filter: Unpack the air filter and the metal rails. Attach the metal rails to the left of the router. -
Page 20: Grounding The Router
To lift the router, use a minimum of two persons or use a mechanical lift, if necessary. Lift the router until the bottom of the router is a little higher than the slide rails on the rack. Gently place the router on the slide rails. Slide the router along the slide rails until the mounting brackets on the router touch the front rack posts, as shown by callout 1 in Figure2-6. -
Page 21: Grounding The Router Through The Pe Wire Of An Ac Power Supply
Remove the grounding screws from the grounding holes at the rear of the chassis, as shown by callout 1 in Figure2-7. Fasten the dual-hole grounding lug of the grounding cable to the grounding holes with the grounding screws, as shown by callout 2 in Figure2-7. Connect the ring terminal of the grounding cable to the grounding post of the grounding strip. -
Page 22: Grounding The Router Through The Rtn Wire Of A Dc Power Supply
Figure2-8 Grounding the router through the PE wire of the AC power supply Grounding the router through the RTN wire of a DC power supply CAUTION: Make sure the RTN wire is correctly grounded from the DC egress of the DC power cabinet. You can ground the router through the return (RTN) wire of the DC power supply, as shown in Figure2-9, if the following conditions exist: •... - Page 23 Contents 3 Installing FRUs ························································································ 3-1 Attaching an ESD wrist strap ·························································································································· 3-1 Installing MPUs/service modules ···················································································································· 3-1 Installing a subcard ········································································································································· 3-3 Installing the power supply system ················································································································· 3-4 Installing a power supply adapter ············································································································ 3-4 Installing a power supply in the chassis ·································································································· 3-5 Connecting the power cord ·····················································································································...
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Page 24: Installing Frus
Installing FRUs There is no required order for installing FRUs. As a best practice, connect power cords after completing installing all required FRUs. Keep the chassis and the component packages for future use. Attaching an ESD wrist strap The router is provided with an ESD wrist strap. To minimize ESD damage to electronic components, wear an ESD wrist strap and make sure it is reliably grounded when installing modules. - Page 25 Examine the card status LED (SLOT) on the MPU. If the RUN LED flashes, the card in the slot operates correctly. For more information about card status LED (SLOT), see H3C SR8800-X-S Router Series Hardware Information and Specifications. Verify the card operating status at the CLI. For more information, see device management in ...
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Page 26: Installing A Subcard
Figure3-2 Installing a card (MPU) Installing a subcard CAUTION: To ensure good ventilation, install filler panels in unused slots. This section describes how to install a subcard on a base card. The base card installation procedure is the same as the card installation procedure (see "Installing MPUs/service modules"). -
Page 27: Installing The Power Supply System
The router uses 1+1 power redundancy and supports dual grid inputs. You can supply either AC or DC power for the router. For information about the power supplies available for the router, see H3C SR8800-X-S Router Series Hardware Information and Specifications. -
Page 28: Installing A Power Supply In The Chassis
Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded. For more information, see "Attaching an ESD wrist strap." Unpack the power supply adapter. Holding the adapter handle with one hand and supporting the adapter bottom with the other, slide the adapter all the way into the chassis along the guide rails. -
Page 29: Connecting The Power Cord
Wear an ESD wrist strap and make sure it has a good skin contact and is reliably grounded. For more information, see "Attaching an ESD wrist strap." Remove the filler panel (if any) from the target slot. Keep the filler panel secure for future use. Unpack the power supply, and verify that the model is correct. - Page 30 PSR2500-12AHD power supplies, prepare a 16A power strip and make sure the AC power supply system can provide enough power. For information about power cord plugs and connectors used in different countries or regions, see H3C SR8800-X-S Router Series Hardware Information and Specifications.
- Page 31 Figure3-6 Connecting the power cord for a PSR320-A/PSR650-A power supply Connecting the power cord for a PSR1200-A power supply Unpack the power cord, and verify the power cord model is correct. The PSR1200-A power supply uses a 16A AC power cord. Connect the power cord to the power socket, and ensure a good contact.
- Page 32 If the LED is off or red, verify the installation, locate the fault, and resolve the problem. Switch on the power supply to verify that the LED is green. For information about the PSR1400-A status LEDs, see H3C SR8800-X-S Router Series Hardware Information and Specifications.
- Page 33 If the LED is off or red, verify the installation, locate the fault, and resolve the problem. Switch on the power supply to verify that the LED is green. For information about the PSR1400-A status LEDs, see H3C SR8800-X-S Router Series Hardware Information and Specifications. 3-10...
- Page 34 Figure3-9 Connecting the power cord for a PSR1400-A power supply (using a power cord retainer suite to secure the power cord) Connecting the power cord for a PSR2500-12AHD power supply Unpack the power cord and make sure the power cord model is correct. The PSR2500-12AHD power supply uses a 16A AC power cord or a high-voltage DC power cord.
- Page 35 Figure3-10 Connecting a 16A AC power cord for a PSR2500-12AHD power supply Connecting the power cord for a PSR650-D power supply WARNING! Before connecting the DC power cord for a PSR650-D power supply, make sure the DC power source circuit breakers are turned off. To connect the power cord for a PSR650-D power supply: Remove the protection cover from the power supply.
- Page 36 Figure3-11 Connecting the power cord for a PSR650-D power supply Connecting the power cord for a PSR1200-D power supply Loosen the captive screw that secures the terminal block plug to the chassis and remove the terminal block plug. Figure3-12 Removing the terminal block plug Unpack the DC power cord provided with the power supply.
- Page 37 Figure3-13 Inserting the DC power cord into the terminal block plug Correctly orient the terminal block plug and insert it into the power supply. Use a Phillips screwdriver to fasten the screw on the plug. Figure3-14 Attaching the terminal block plug to the power supply Connect the other end of the DC power cord to the DC power source.
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Page 38: (Optional) Installing A Cf Card For An Mpu
Connect the end of the blue DC power cord marked with – to the negative terminal (–) on the power supply. Connect the end of the black DC power cord marked with + to the positive terminal (+) on the power supply. -
Page 39: (Optional) Installing A Transceiver Module
After the router is powered on, verify the running status of the CF card by examining the CFS LED on the MPU. If the LED is steady on, the CF card is installed correctly. For more information about the CFS LED, see H3C SR8800-X-S Router Series Hardware Information and Specifications. -
Page 40: Installing An Xfp/Qsfp+/Sfp+/Sfp/Qsfp28 Transceiver Module
Installing an XFP/QSFP+/SFP+/SFP/QSFP28 transceiver module The installation procedure is similar for XFP, QSFP+, QSFP28, SFP+, and SFP transceiver modules. The following uses an SFP+ transceiver module for illustration. To install an SFP+ transceiver module: Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded. For more information, see "Attaching an ESD wrist strap."... -
Page 41: Connecting An E1 Cable
If a screw cannot be fastened, adjust the CFP module and the screw and re-fasten the screw, or remove the CFP module and then reinstall it. Connect a fiber to the module. For the installation procedure, see "Connecting the router to the network."... - Page 42 Figure3-21 Connecting an SMB coaxial clock cable 3-19...
- Page 43 Contents 4 Connecting your router to the network ····················································· 4-1 Login methods and supported user lines ········································································································ 4-1 Login methods ········································································································································· 4-1 Supported user lines ······························································································································· 4-1 Connecting the console cable ························································································································· 4-1 Preparing for accessing the router ·········································································································· 4-1 Setting up the configuration environment································································································...
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Page 44: Connecting Your Router To The Network
The first time you access the router, you can only log in to the CLI through the console port or USB console port. After login, you can configure other access methods. The router supports also remote access through Telnet or SSH. For more information about login methods, see login management in H3C SR8800-X Routers Fundamentals Configuration Guide. Supported user lines The router provides the following types of user lines: •... -
Page 45: Setting Terminal Parameters
To connect a terminal (for example, a PC) to the router: Connect the DB-9 female connector of the console cable to the serial port of the PC. Identify the mark on the console port and connect the RJ-45 connector of the console cable to the console port of the router. - Page 46 The cooling system is operating. You can hear fan rotating noise and feel air being blown out. • All the system status LEDs on the MPUs show that the system is operating correctly. For more information about the LED status, see H3C SR8800-X-S Router Series Hardware Information and Specifications.
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Page 47: Configuring The Router
Complex to configure, secure, and hierarchical operators cooperate to manage password user management the router For more information about login methods, see login management in H3C SR8800-X Routers Fundamentals Configuration Guide. Verifying the network configuration Execute display commands in any view. -
Page 48: Connecting Your Router To The Network Through Twisted Pair Cables
The router provides 10/100BASE-TX and 1000BASE-T ports. These ports use RJ-45 connectors and support auto-MDI/MDI-X. Use twisted pair cables of category-5 or above to connect the Ethernet ports of your router to the network. For more information about twisted pair cables, see H3C SR8800-X-S Router Series Hardware Information and Specifications. - Page 49 MPO plug QSFP+ module Verify that the port LED status is correct. For more information about the LED status, see H3C SR8800-X-S Router Series Hardware Information and Specifications. NOTE: The transceiver modules each require two optical fibers. The transmitter (TX) port on one end must...
- Page 50 Contents 5 Troubleshooting ······················································································· 5-1 Troubleshooting methods································································································································ 5-1 Troubleshooting the system ···························································································································· 5-1 Troubleshooting on startup ····················································································································· 5-1 Troubleshooting the router during the operation ····················································································· 5-2 Troubleshooting the power supply system ······································································································ 5-2 Troubleshooting the fan trays ························································································································· 5-3 Troubleshooting the MPUs······························································································································ 5-3 Troubleshooting the service modules ·············································································································...
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Page 51: Troubleshooting
LED status on the service modules, see H3C SR8800-X-S Router Series Hardware Information and Specifications. If you cannot locate failures by using the methods in this chapter, contact the local agents or H3C Support. For more information, see "Technical... -
Page 52: Troubleshooting The Router During The Operation
If the MPU has two PWR LEDs, the OK LED is on, and the FAIL LED is off. For more information about the PWR LEDs on an MPU and the LEDs on a power supply, see H3C SR8800-X-S Router Series Hardware Information and Specifications. -
Page 53: Troubleshooting The Fan Trays
Verify that the MPU model is compatible with the chassis. For more information, see H3C SR8800-X-S Router Series Hardware Information and Specifications. Press the RESET button on the MPU to reset the MPU. After the MPU is reset, verify that the associated RUN LED is on. -
Page 54: Troubleshooting Interfaces
Calculate the total power consumption, and make sure your power supply can provide enough power. For more information, see H3C SR8800-X-S Router Series Hardware Information and Specifications. Verify that the service module is fully seated. You can remove the service module, install it again, and press the ejector levers inward until the ejector levers touch the panel tightly. -
Page 55: Troubleshooting Cf Cards
CF card is faulty. If the failure persists, contact the local agents or H3C Support. Technical support If the failures still exist, contact the agents or H3C Support. To report the failures, prepare the following information: • Arrival time of the router •... - Page 56 Contents 6 Replacement procedures ········································································· 6-1 Replacing the power supply system ··············································································································· 6-1 Replacing a power supply adapter ·········································································································· 6-1 Replacing a power supply ······················································································································· 6-2 Replacing a card ············································································································································· 6-4 Replacing a subcard ······································································································································· 6-5 Replacing a fan tray ········································································································································ 6-6 Replacing an air filter ······································································································································...
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Page 57: Replacement Procedures
Replacement procedures WARNING! • When replacing a field replaceable unit (FRU) on an operating router, be aware of electrical safety hazards. • To avoid bodily injury and device damage, strictly follow the replacement procedure in this section when you replace a component. CAUTION: As a best practice to avoid data theft, remove all data from an FRU that has a storage medium, for example, a CF card, hard disk, or flash before disposal of that FRU. -
Page 58: Replacing A Power Supply
Figure6-1 Removing a power supply adapter Replacing a power supply Replacement precautions Before you replace a power supply, read the following precautions carefully: • To avoid device damage and bodily injury, strictly follow the procedures shown in Figure6-2 Figure6-3 to remove and install a power supply, respectively. Figure6-2 Power supply removal flow Turn off the circuit Disconnect the power... - Page 59 The power output of the current power supplies cannot meet the power requirements of the router. The system power consumption equals the total dynamic power consumption of all cards plus the maximum power consumption of fans. For more information, see H3C SR8800-X-S Router Series Hardware Information and Specifications. Replacement procedure Prepare an antistatic mat to place the removed power supply.
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Page 60: Replacing A Card
MPU status LED display device to determine the active/standby mode of an MPU. For the MPU status LED description, see H3C SR8800-X-S Router Series Hardware Information and Specifications. For more information about the reboot display device... -
Page 61: Replacing A Subcard
Press the ejector levers down to the horizontal level. (This step applies only to a base card.) Press the ejector levers outward to separate the card from the backplane, as shown by callout 2 in Figure6-5. Use one hand to slowly move the card outward. Support the bottom of the card with the other hand while pulling the card out of the slot along slide rails, as shown by callout 3 in Figure6-5. -
Page 62: Replacing A Fan Tray
Figure6-6 Replacing a subcard (1) Loosen the mounting screw (2) Press the ejector levers outward (3) Pull the card out Replacing a fan tray WARNING! To avoid bodily injury, do not touch the rotating fans. CAUTION: To ensure correct operation of the router, install a new fan tray within five minutes after the fan tray is removed. -
Page 63: Replacing An Air Filter
Verify the status of the FAN LEDs on the MPU. If the OK LED is on, the fan tray is installed successfully. For more information about the FAN LEDs, see H3C SR8800-X-S Router Series Hardware Information and Specifications. Verify the fan status by using the command. -
Page 64: Replacing A Cf Card
H3C SR8800-X Routers Fundamentals Command Reference. If the LED is flashing, it means that data is being read from or written to the CF card. In this case, you cannot remove the CF card. Wait until the CF card LED stops flashing. -
Page 65: Replacing A Transceiver Module
Use a Phillips screwdriver to loosen the screw at the right side of the CF card protection cover, and pull the CF card protection cover outward. Skip this step if the MPU does not have a CF card protection cover. Push the eject button on the CF card slot all the way until the CF card in the slot ejects. -
Page 66: Replacing An Xfp/Qsfp+/Sfp+/Sfp/Qsfp28 Transceiver Module
Make sure the transceiver modules at the two ends of an optical fiber are the same model. Replacing an XFP/QSFP+/SFP+/SFP/QSFP28 transceiver module The replacement procedure is similar for XFP, QSFP+, QSFP28, SFP+, and SFP transceiver modules. The following uses an SFP+ transceiver module for illustration. To replace an SFP+ transceiver module: Wear an ESD wrist strap and make sure it makes good skin contact and is correctly grounded. -
Page 67: Replacing An E1 Cable
There is a latching mechanism between a fiber connector and transceiver module port to prevent connector disengagement. Release the latching mechanism before removing the optical fiber. To avoid damages, do not use excessive force. Loosen the captive screws on the module. Carefully pull the module out of the port. - Page 68 For the installation procedure, see "Installing an SMB coaxial clock cable." If you are not to connect a new SMB coaxial clock cable to the port, insert a dust plug into the port. Figure6-13 Replacing an SMB coaxial clock cable 6-12...
- Page 69 Contents Appendix A Engineering labels ····································································· 1 Label types and structure ··································································································································· 1 Labels for cables ········································································································································ 1 Labels for devices ······································································································································ 3 Filling in labels···················································································································································· 3 Printing labels ············································································································································· 3 Writing lables ·············································································································································· 3 Affixing labels ····················································································································································· 3 Affixing a label to a cable ··························································································································· 3 Affixing a label to a device ·························································································································...
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Page 70: Appendix A Engineering Labels
Appendix A Engineering labels Label types and structure Engineering labels are used to identify cables and devices for easy maintenance after installation. There are two types of engineering labels, labels for cables and labels for devices. Labels for cables Cables include signal cables such as network cables and fibers, and power cords such as AC power cords and DC power cords. - Page 71 Figure 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 both signal cables and power cords. 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.
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Page 72: Labels For Devices
Figure 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. As a best practice, print labels. Printing labels To print labels, select a label printer and a proper label template as needed. - Page 73 Figure 4 Affixing a label Stick side B02 03 Figure 5 shows the affixed labels when the cable is laid vertically and horizontally. Figure 5 Affixed labels TO : B0 2 0 3 1 2 Affixing a label to a power cord Stick the label to the recessed rectangular area on the identification plate.
- Page 74 Figure 6 Affixing a label B03 -48V2 Bind cable ties on both ends of a cable. After the bundling, the finished identification plate should 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 Figure Figure 7 Affixed labels...
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Page 75: Affixing A Label To A Device
Figure 8 Affixing a generic label B02 03 12 Stick 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 76: Engineering Labels For Optical Fibers
Content Meaning Example Numbered in top-down and left-right order with two C—Slot number digits, for example, 01. Numbered in top-down and left-right order with two D—Ethernet port number digits, for example, 01. • M—Row number of the rack in the equipment room, in the range of A to Z. - Page 77 Table 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 • N—Column number of the rack in the MN—Rack number equipment room, in the range of 01 to For example, A01.
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Page 78: Engineering Labels For Dc Power Cords
Content Meaning Example For example, G01 is the ODF of Row G and Column 01. 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 Figure 10 Example of a label on an optical fiber between two devices A 0 1... -
Page 79: Engineering Labels For Ac Power Cords
Content Meaning box. BC identifies the row and column number of the –48V connector (if there is no row number or column number, or the connector can be identified without them, BC can be omitted). RTN and PGND have no MN(BC)-PGND row and column number for identification. -
Page 80: Engineering Labels For Devices
Table 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 81 Figure 14 Example of a device label...
- Page 82 Contents Appendix B Cable management ··································································· 1 General cabling requirements and guidelines ···································································································· 1 Cable management examples ··························································································································· 3 Network cable management ······················································································································ 4 Optical fiber management ·························································································································· 4 Power cord management ··························································································································· 5...
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Page 83: Appendix B Cable Management
Appendix B Cable management Label cables before you route or bundle them. For more information about labeling cables, see "Appendix A Engineering labels for cables." General cabling requirements and guidelines Minimum curvature radius of cables • The curvature radius of an attached power cord, communication cable, or ribbon cable should be a minimum of five times of the cable’s outer diameter. - Page 84 Figure 1 Correct and incorrect cable binding Bent Tangled • When you bend cables, bind cables as shown in Figure 2. To avoid cable core break due to excessive stress, do not tie up the cables in the bending area. The cable bend radius at connectors must be a minimum of 5 times the cable diameter, and must be a minimum of twice the cable diameter away from the connectors.
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Page 85: Cable Management Examples
Figure 3 Cutting the cable ties • Route, bind, and attach excess cables for easy, safe maintenance activities and proper operations. • Do not tie the power cords to the slide rails. • When you connect a cable to an articulated part, for example, when you connect a grounding cable to a rack door, leave enough slack in cables and make sure they are not stressed from any movement of the part. -
Page 86: Network Cable Management
Network cable management Figure 4 Network cable management Optical fiber management CAUTION: The core of optical fibers is thin and fragile. Do not use cable ties to bind the optical fibers. Use soft binding tapes to carefully bind optical fibers. Avoid excessive force. For more information, see the binding tape use instructions. -
Page 87: Power Cord Management
Power cord management Figure 6 Power cord management...
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