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H3C S7500X Series, Руководство по установке

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3 

Figure 2 Straight-through cable 

 

 

Figure 3 Crossover cable 

 

 

Pin assignments 

Select an Ethernet twisted pair cable according to the RJ-45 Ethernet port type on your device. An 
RJ-45 Ethernet port can be MDI (for routers and PCs) or MDIX (for switches). For the pinouts of 
RJ-45 Ethernet ports, see 

Table 3

 and 

Table 4

. 

Содержание S7500X Series

Страница 1: ...H3C S7500X Switch Series Installation Guide New H3C Technologies Co Ltd http www h3c com Document version 6W101 20190301...

Страница 2: ...respective owners Notice 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 acc...

Страница 3: ...arguments that are optional x y Braces enclose a set of required syntax choices separated by vertical bars from which you select one x y Square brackets enclose a set of optional syntax choices separa...

Страница 4: ...s a Layer 2 or Layer 3 switch or a router that supports Layer 2 forwarding and other Layer 2 features Represents an access controller a unified wired WLAN module or the access controller engine on a u...

Страница 5: ...Documentation feedback You can e mail your comments about product documentation to info h3c com We appreciate your comments...

Страница 6: ...Electricity safety 1 Handling safety 1 ESD prevention 2 Laser safety 2 Examining the installation site 2 Weight support 2 Temperature 2 Humidity 3 Cleanliness 3 EMI 3 Grounding 4 Power supply 4 Coolin...

Страница 7: ...ch Electricity safety Clear the work area of possible hazards such as ungrounded power extension cables missing safety grounds and moist floors Locate the emergency power off switch in the room before...

Страница 8: ...switch can only be used indoors To ensure correct operation and long service life of your switch the installation site must meet the requirements in this section Weight support Evaluate the floor load...

Страница 9: ...nts In the worst case electrostatic adsorption can cause communication failure Table 3 Mechanically active substance concentration limit in the equipment room Substance Particle diameter Concentration...

Страница 10: ...er consumption The total power consumption of a switch is determined mainly by its configurations including types and quantities of cards and fan tray power consumption It also includes PoE power cons...

Страница 11: ...y installation and maintenance follow these space requirements Reserve a minimum of 1 m 3 28 ft of clearance between the rack and walls or other devices For heat dissipation make sure the headroom in...

Страница 12: ...nd the front door A minimum of 420 mm 16 54 in between the front rack posts and the rear door S7510X PoE Height 708 mm 27 87 in 16 RU Width 436 mm 17 17 in Depth 520 mm 20 47 in 420 mm 16 54 in for th...

Страница 13: ...and M6 screw S7503X 4 S7506X PoE 8 S7510X PoE 12 ESD wrist strap 1 NOTE The figures in this table are for illustration only Tools and equipment Prepare the following tools and equipment yourself Mecha...

Страница 14: ...Configuration terminal such as PC NOTE The rack installation accessories and tools vary by rack model and are not included in this section For more information see the installation guide for the rack...

Страница 15: ...r attaching mounting brackets 6 Attaching accessories to the chassis 7 Installing mounting brackets and cable management bracket 7 Optional Installing an air filter 8 Mounting the switch in the rack 9...

Страница 16: ...ls see Installing slide rails For how to install cage nuts see Installing cage nuts for attaching mounting brackets Attaching accessories to the chassis Accessories to be installed on the chassis For...

Страница 17: ...mount the heaviest switch at the bottom of the rack Attaching slide rails and cage nuts to the rack Installing slide rails Before installing the switch in a rack attach slide rails to the rack If the...

Страница 18: ...er metal area between holes on a rack post as shown in Figure 3 Each rack post requires six screws to secure the slide rail You only need to mark the uppermost square hole and lowermost square hole fo...

Страница 19: ...er metal area between holes 3 Install six cage nuts on the square holes in each rack post as shown in Figure 4 Figure 4 Installing a cage nut 4 Align the installation holes on the front end of a slide...

Страница 20: ...ear end of the slide rail touch the cage nuts on the rear rack post Then fasten the screws TIP Install a screw in each mounting hole of the slide rail to ensure its weight bearing capacity 6 Repeat st...

Страница 21: ...nstalled slide rails Installing cage nuts for attaching mounting brackets 1 Determine and mark the cage nut installation holes on the front rack posts as shown in Figure 7 2 Install cage nuts as shown...

Страница 22: ...and cable management bracket Before installing the switch in the rack attach the mounting brackets and cable management bracket shipped with the chassis to the switch The mounting brackets are used fo...

Страница 23: ...Optional Installing an air filter Air filters are optional components for the switch If you have ordered an air filter attach it to the left of the chassis before mounting the switch in the rack To in...

Страница 24: ...switches of a high weight After placing the switch on the slide rails do not leave go of your hands immediately because this might tip and damage the switch and even cause bodily injury To mount the...

Страница 25: ...to a fire main or lightning rod To guarantee the grounding effect use the grounding cable provided with the switch The grounding cable uses a two hole lug for connecting the chassis and a ring termin...

Страница 26: ...power cord is reliably grounded at the power distribution room or AC power supply transformer side Make sure the AC receptacle on the switch is correctly connected to the AC power supply If the switc...

Страница 27: ...y grounded If the switch is powered by a 48 VDC power supply and no grounding strip is available at the installation site you can ground the switch through the return RTN wire of a DC power cord as sh...

Страница 28: ...ord for a PSR1400 A power module 6 Connecting the power cord for a PSR2500 12AHD power module 7 Connecting power cords for a PSR2800 ACV power module 8 Connecting the power cord for a PSR650 D PSR650C...

Страница 29: ...t is reliably grounded when installing modules To use an ESD wrist strap 1 Make sure the switch is reliably grounded For how to ground your switch see Installing the switch 2 Wear the wrist strap 3 Ti...

Страница 30: ...more information see Attaching an ESD wrist strap 2 Remove the filler panel if any from the slot to be used Keep the filler panel secure for future use 3 Rotate out the ejector levers on the card 4 Ho...

Страница 31: ...ESD wrist strap and make sure it has good skin contact and is reliably grounded For more information see Attaching an ESD wrist strap 2 Remove the filler panel if any from the target slot Keep the fi...

Страница 32: ...re the AC power supply system can provide enough power For the power cords used in different countries or regions see Appendix B FRUs and compatibility matrixes Table 1 Power cord connection for the s...

Страница 33: ...e left of the power receptacle Then pull the bail latch to the left 2 Unpack the power cord and verify the power cord model both the PSR320 A and PSR650 A use a 10 A AC power cord 3 Connect the power...

Страница 34: ...he power cord for a PSR1400 A power module 1 Unpack the power cord and verify the power cord model The PSR1400 A power module uses a 16A AC power cord 2 Use a Phillips screwdriver to remove the screws...

Страница 35: ...d verify that the power cord model is correct The PSR2500 12AHD power module uses a 16A AC power cord or a high voltage DC power cord 2 Connect the coupler end of the power cord into the power recepta...

Страница 36: ...re connecting power cords for the PSR2800 ACV power module make sure both the system and PoE power switches are off The PSR2800 ACV has two power receptacles One system power receptacle as shown by ca...

Страница 37: ...e similar This section uses the PSR650 D as an example To connect the power cord for a PSR650 D power module 1 Remove the cover from the terminal block 2 Remove the screws on the wiring terminal with...

Страница 38: ...ls with an M6 socket wrench and remove the captive nut spring washer and one flat washer in turn from each wiring terminal 3 Connect the end of the blue DC power cord marked with to the negative termi...

Страница 39: ...as The following PoE types are available Type 1 Power delivered by a single port 0 to 15 4 W voltage range 44 V to 57 V maximum current 350 mA This PoE type provides power to classes 0 to 3 PDs Type 2...

Страница 40: ...r module Do not remove the dust plug from a transceiver module until you are ready to connect an optical fiber to the module Before you install a transceiver module remove the optical fiber if any fro...

Страница 41: ...rts use QSFP28 DAC cables or QSFP28 AOC cables All these cables are hot swappable The connection procedure is similar for DAC and AOC cables The following uses an SFP DAC cable as an example To connec...

Страница 42: ...figuration environment 1 Setting terminal parameters 3 Powering on the switch 3 Connecting the switch to the network 5 Connecting your switch to the network through twisted pair cables 5 Connecting yo...

Страница 43: ...5 connector for connecting to the console port of the switch and a DB 9 connector for connecting to the 9 core serial port on the terminal Figure 1 shows the console cable and Table 1 shows its pinout...

Страница 44: ...not support hot swapping To connect a PC to an operating device first connect the PC end To disconnect a PC from an operating device first disconnect the device end To connect the console cable to the...

Страница 45: ...settings Bits per second 9 600 Data bits 8 Stop bits 1 Parity None Flow control None Powering on the switch Before powering on the switch verify that the following conditions are met The switch has b...

Страница 46: ...0MHz Memory Type DDR3 SDRAM Memory Size 2048MB Memory Speed 667MHz BootWare Size 1536KB Flash Size 4MB BASIC CPLD Version 001 EXTENDED CPLD Version 008A PCB Version Ver A BootWare Validating Press Ctr...

Страница 47: ...o the network To connect your switch to the network through twisted pair cables 1 Connect one end of the twisted pair cable to the RJ 45 Ethernet port of your switch 2 Connect the other end of the twi...

Страница 48: ...For the allowed maximum tensile load and crush load see Appendix E Cables The installation of different optical fiber connectors is similar To connect your switch to the network through optical fibers...

Страница 49: ...optical fiber connector to connect a QSFP module Connecting the switch to the network through copper cables For how to connect the S7500X switch to the network through copper cables see Installing FR...

Страница 50: ...rackets 1 Replacing a power module 2 Replacing a card 3 Replacing a fan tray 4 Removing a fan tray 4 Installing a fan tray 5 Replacing an air filter 6 Replacing a transceiver module 7 Replacing an SFP...

Страница 51: ...g NOTE The chassis and FRU views in the figures in this section are for illustration only Replacing mounting brackets 1 Remove the screws that secure the chassis to the rack 2 Cooperate with one or mo...

Страница 52: ...s of different models on the same switch To avoid damage to the switch power off the switch before you replace the two power modules with a different model When you use two power modules to supply pow...

Страница 53: ...as shown by callout 2 in Figure 5 7 Put the removed power module on the antistatic mat 8 Install a new power module For the installation procedures see Installing FRUs After removing the power module...

Страница 54: ...talling FRUs If you are not to install a new card install a filler panel in the slot to ensure heat dissipation of the switch and prevent dust from entering the switch Figure 6 Replacing a card Replac...

Страница 55: ...n tray 1 Wear an ESD wrist strap and make sure it has a good skin contact and is reliably grounded For more information see Installing FRUs 2 Unpack a new fan tray and insert it into the fan tray slot...

Страница 56: ...temperature To replace an air filter 1 Loosen the captive screw on the air filter as shown by callout 1 in Figure 9 2 Seize the captive screws on the air filter and slowly pull the air filter out of...

Страница 57: ...rist strap and make sure it has a good skin contact and is reliably grounded For more information see Installing FRUs 2 Remove the optical fibers on the module 3 Pivot the clasp down to the horizontal...

Страница 58: ...g the module and slot pull the pull latch horizontally to remove a cable The replacement procedure is similar for DAC and AOC cables The following uses an SFP DAC cable as an example To replace an SFP...

Страница 59: ...ssis views and technical specifications 1 Chassis views 1 S7503X 1 S7506X PoE 2 S7510X PoE 3 Technical specifications 3 Weights and dimensions 3 Module power consumption 5 Total power consumption 6 He...

Страница 60: ...views and technical specifications Chassis views The figures in this section are for illustration only S7503X Figure 1 S7503X front panel 1 Power module section 2 MPU section 3 Service module section...

Страница 61: ...2 S7506X PoE Figure 2 S7506X PoE front panel 1 Service module section 2 MPU section 3 Power module section 4 Fan tray section 1 1 2 3 4...

Страница 62: ...Weights and dimensions Table 1 Chassis weights and dimensions Model Net weight Height Width Depth S7503X 16 85 kg 37 15 lb 216 mm 8 50 in 5 RU 436 mm 17 17 in 420 mm 16 54 in S7506X PoE 40 75 kg 89 84...

Страница 63: ...00 kg 6 61 lb 40 mm 1 57 in 399 mm 15 71 in 355 mm 13 98 in LSQM1TGS48RFE0 3 60 kg 7 94 lb 40 mm 1 57 in 399 mm 15 71 in 355 mm 13 98 in LSQM2GP48SA0 3 00 kg 6 61 lb 40 mm 1 57 in 399 mm 15 71 in 355...

Страница 64: ...Model Weight Height Width Depth S7503X fan tray 1 0 kg 2 20 lb 29 mm 1 14 in 167 mm 6 57 in 337 mm 13 27 in S7506X PoE fan tray 2 2 kg 4 85 lb 28 mm 1 10 in 331 mm 13 03 in 365 mm 14 37 in S7510X PoE...

Страница 65: ...nsumption Model Min fan tray power consumption Max fan tray power consumption S7503X 7 W 11 W S7506X PoE 24 5 W 42 5 W S7510X PoE 28 W 48 5 W Total power consumption For the S7503X switches the total...

Страница 66: ...nd fan tray power consumption full and max configuration S7503X AC 630 W 503 W S7503X DC 600 W 503 W S7506X PoE AC 1610 W 1291 W S7506X PoE DC 1540 W 1291 W S7510X PoE AC 2410 W 1933 W S7510X PoE DC 2...

Страница 67: ...of the fan tray 0 9 3 4121 Table 9 shows the heat dissipation for each switch model Table 9 Heat dissipation Model Heat dissipation BTU h S7503X 1716 S7506X PoE 4403 S7510X PoE 6594 For the power cons...

Страница 68: ...i Contents Appendix B FRUs and compatibility matrixes 1 MPUs 1 Service modules 2 Interface modules 2 Power system 4 Power modules 4 Power cords 6 Optional PoE power system 14 Fan trays 14...

Страница 69: ...SQM1MPUSA0 2 GB 1 MB 4 GB 1 console port 1 USB console port 4 management Ethernet port two 10 100 1000Base T copper ports and two SFP ports 1 USB port LSQM1MPUSC0 2 GB 1 MB 4 GB 1 console port 1 USB c...

Страница 70: ...1MPUSA0 No Yes No LSQM1MPUSC0 No Yes No LSQM1MPUS10B0 No No Yes LSQM1MPUS10C0 No No Yes NOTE To verify compatibility of an MPU with the software version you are using see the card manual Service modul...

Страница 71: ...le GE SFP module LSQM1TGS24FD 0 24 10GBASE R SFP fiber port 10 GE SFP module 10 GE SFP DAC cable GE SFP module LSQM1TGS48RF E0 48 10GBASE R SFP fiber port 10 GE SFP module 10 GE SFP DAC cable GE SFP m...

Страница 72: ...itch A chassis must be configured with a minimum of one power module To improve power supply availability you can configure a chassis with two power modules for redundancy The power modules installed...

Страница 73: ...age 48 VDC to 60 VDC 100 VAC to 240 VAC 50 60 Hz 240 to 380 VDC 48 VDC to 60 VDC Rated output voltage 12 VDC 12 VDC 12 VDC Max input current 25 A 16 A 85 A Max output current 54 A 90 to 180 VAC 100 A...

Страница 74: ...le can be directly installed on the chassis indicates that the power module cannot be installed on the chassis Power cords DC power cords DC power cords are used for connecting DC power modules of the...

Страница 75: ...AC power cords For the connector types of different countries or regions see Table 9 For the PSR1400 A PSR2800 ACV and PSR2500 12AHD power modules select 16A AC power cords For the connector types of...

Страница 76: ...local safety regulations and can be used legally Other countries or regions using this type of power cords Countries or regions seldom using this type of power cords F type 04041056 3 m 9 8 ft Hollan...

Страница 77: ...nforms to local safety regulations and can be used legally Other countries or regions using this type of power cords Countries or regions seldom using this type of power cords D type 04040889 3 m 9 8...

Страница 78: ...s and can be used legally Other countries or regions using this type of power cords Countries or regions seldom using this type of power cords L type 04041120 3 m 9 8 ft Italy Connector outline Power...

Страница 79: ...where the type of power cords conforms to local safety regulations and can be used legally Other countries or regions using this type of power cords Countries or regions seldom using this type of powe...

Страница 80: ...using this type of power cords Countries or regions seldom using this type of power cords B type 0404A063 3 m 9 8 ft Canada and U S A Mexico Argentina Brazil Columbia Venezuela Thailand Peru Philippin...

Страница 81: ...the type of power cords conforms to local safety regulations and can be used legally Other countries or regions using this type of power cords Countries or regions seldom using this type of power cor...

Страница 82: ...cords available for PoE power modules PoE power module PoE DC power cord Cable length PSR2800 ACV PSR6000 ACV 0404A05U 1 m 3 28 ft PoE AC power cords The switch uses 16A PoE AC power cords A PoE AC po...

Страница 83: ...y status LEDs 3 Card status LEDs 4 Active standby state LED 4 Service module LEDs 4 RJ 45 Ethernet port LEDs 4 SFP port LEDs 5 SFP port LEDs 5 QSFP port LEDs 5 QSFP28 port LEDs 6 Power module LEDs 6 P...

Страница 84: ...ower module status LEDs Fan tray status LEDs Card status LEDs Active standby state LED Service module LEDs RJ 45 Ethernet port LEDs SFP port LEDs SFP port LEDs QSFP port LEDs QSFP28 port LEDs Power mo...

Страница 85: ...No link is present Copper management Ethernet port LEDs The MPUs provides a pair of LEDs LINK and ACT for each copper management Ethernet port to indicate its link status and data forwarding status T...

Страница 86: ...cause one of the following conditions exists The power module is faulty or switched off The power cord is disconnected The external power supply is unavailable Off No power modules are installed in th...

Страница 87: ...the upper warning threshold or has dropped below the lower warning threshold On On The card is starting up or faulty Off Off No card is present NOTE The ALM LED lights for a period of time at the init...

Страница 88: ...port LEDs The service modules provide a LED for each SFP port LED to indicate the link status and data receiving forwarding status of the port Table 12 SFP port LED description Status Description Flas...

Страница 89: ...tus Table 15 PSR320 A power module LED description LED Status Description Power module LED Green The power module is operating correctly Red The power module is operating incorrectly because one of th...

Страница 90: ...PSR2500 12AHD PSR2500 12D power module LEDs description LED Status Description INPUT Green The power is being input correctly Red A power input problem has occurred because the input voltage is out o...

Страница 91: ...short circuit output overcurrent output overvoltage or overtemperature has occurred and the power module has entered protection state The system power switch is turned off Off The power module is faul...

Страница 92: ...ns include The PoE output voltage is out of the rated voltage range The PoE power switch is turned off Off No PoE power output Possible reasons include The power module is faulty The PoE input power c...

Страница 93: ...ransceiver modules 1 100 GE QSFP28 transceiver module specifications 1 40 GE QSFP transceiver modules 2 40 GE QSFP DAC cables 3 10 GE SFP transceiver modules 3 10 GE SFP DAC cables 4 1000 100 Mbps SFP...

Страница 94: ...al bore to the transmit optical bore with a short distance optical fiber as shown in Figure 1 Figure 1 Loopback operation on a transceiver module The switch supports the following transceiver modules...

Страница 95: ...MM850 850 nm MPO 50 125 m multi mode fiber 2000 MHz km 100 m 328 08 ft 4700 MHz km 150 m 492 13 ft QSFP 40G C SR4 MM850 850 nm MPO 50 125 m multi mode fiber 2000 MHz km 300 m 984 25 ft 4700 MHz km 400...

Страница 96: ...cations Model Central wavelength Connector type Fiber specifications Max transmission distance SFP XG SX MM850 A 850 nm LC 62 5 125 m multi mode optical fiber 26 m 85 30 ft 33 m 108 27 ft 50 125 m mul...

Страница 97: ...del Central wavelength Connector Fiber Max transmission distance SFP GE T N A RJ 45 Category 5 twisted pair cables 100 m 328 08 ft SFP GE SX MM850 A 850 nm LC 50 125 m multi mode optical fiber 550 m 1...

Страница 98: ...ical fiber 10 km 6 21 miles SFP GE LX SM1490 BI DI TX 1490 nm RX 1310 nm LC 9 125 m single mode optical fiber 10 km 6 21 miles SFP FE SX MM1310 A 1310 nm LC 50 125 m multi mode optical fiber 2 km 1 24...

Страница 99: ...RJ 45 connector 1 Cable pinouts 1 Cable type 2 Pin assignments 3 Making an Ethernet twisted pair cable 4 Optical fiber 5 Optical fiber 5 Optical fiber cable 5 Patch cord 5 Pigtail cord 6 Fiber connect...

Страница 100: ...P ports Connects SFP ports to transmit data QSFP DAC cable QSFP ports Connects QSFP ports to transmit data QSFP to SFP DAC cable QSFP port at one end and SFP port at the other end Connects a QSFP port...

Страница 101: ...ory 6 are commonly used Table 2 Ethernet cable description Type Description Category 5 Transmits data at a maximum speed of 100 Mbps with a bandwidth of 100 MHz Category 5e Transmits data at a maximum...

Страница 102: ...able Pin assignments Select an Ethernet twisted pair cable according to the RJ 45 Ethernet port type on your device An RJ 45 Ethernet port can be MDI for routers and PCs or MDIX for switches For the p...

Страница 103: ...tional data cable A 7 Reserved BIDC Bi directional data cable C 8 Reserved BIDC Bi directional data cable C To ensure normal communication the pins for sending data on one port should correspond to th...

Страница 104: ...on over longer distances Multi mode fiber It has a core size of 50 m or 62 5 m or higher and has a higher modal dispersion than single mode optical fiber It is mostly used for communication over short...

Страница 105: ...ed on interface type Fiber connector Fiber connectors are indispensable passive components in an optical fiber communication system They allow the removable connection between optical channels which m...

Страница 106: ...e 7 QSFP DAC cable 1 Connector 2 Pull latch QSFP to SFP DAC cable A QSFP to SFP DAC cable provides one QSFP connector at one end and four SFP connectors at the other end Figure 8 QSFP to SFP DAC cable...

Страница 107: ...3 Affixing labels 3 Affixing a label to a signal cable 3 Affixing a label to a power cord 4 Affixing a generic label 5 Affixing a label to a device 6 Guidelines 6 Examples 6 Engineering labels for ne...

Страница 108: ...the cable A mark TO is located at the lower right corner of the label to identify the peer end of the cable on which the label is affixed As shown in Figure 1 write a signal cable label as follows Wri...

Страница 109: ...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 ca...

Страница 110: ...tion about using a label printer see the user guide of the printer To write labels use black markers A marker has two nibs Be sure to use the smaller nib to write labels Affixing labels After printing...

Страница 111: ...recessed rectangular area on the identification plate You can stick the label to either side of the identification plate Be sure to affix the labels on the same side of the identification plates A ca...

Страница 112: ...bling or on the right side of the cable in vertical cabling Make sure the label is facing out as shown in Figure 7 Figure 7 Affixed labels Affixing a generic label The requirements for affixing a gene...

Страница 113: ...ents or other positions that might affect cable installation when you stick a label or bundle a cable tie with a power cord identification plate Bundle cable ties at the same positions of power cords...

Страница 114: ...tion number of the terminal or the NMS The information provided on the following labels is different subject to different devices that the Ethernet cables are connecting For example On a label for the...

Страница 115: ...D Fiber port number Numbered in top down and left right order with two digits for example 05 R Optical receiving interface T Optical transmitting interface N A MN B C D R T MN Rack number The meanings...

Страница 116: ...Row number and column number of ODF 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 equipment room in the range of 01 to 99 For example G01 is...

Страница 117: ...s are affixed in the correct direction After the cable ties are bundled onto the cable the identification plates with the labels should face up The text on the labels in the same cabinet should be in...

Страница 118: ...same rule for the rack number Otherwise specify the detailed locations to avoid confusing with other sockets The label only carries location information about the peer equipment and the power socket...

Страница 119: ...12 Figure 14 Example of a device label...

Страница 120: ...i Contents Appendix G Cable management 1 Cable management guidelines 1 Cable management examples 3...

Страница 121: ...her If you route them in parallel make sure the space between a power cord bundle and a signal cable bundle is at least 30 mm 1 18 in Use the correct ties to bind the cables Do not bind cables with jo...

Страница 122: ...cess from the ties leaving no sharp or angular tips as shown in Figure 3 Figure 3 Cutting the cable ties Route bind and attach excess cables for easy safe maintenance activities and proper operations...

Страница 123: ...ng figures are for illustration only Figure 4 Network cable management Figure 5 Optical fiber management Use strapping tapes to carefully bind optical fibers Avoid excessive force For more information...

Страница 124: ...4 Figure 6 Power cord management...

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