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2-12 

Grounding the switch through the RTN wire of a DC power 
cord 

 

CAUTION: 

Make sure the RTN busbar in the equipment room is reliably 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 
shown in 

Figure 2-14

. 

Figure 2-14 Grounding the switch through the RTN wire of a DC power cord 

 

 

RTN busbar

-48V busbar

DC power box

Ground

-

+

Summary of Contents for S7500X-G Series

Page 1: ...H3C S7500X G Switch Series Installation Guide New H3C Technologies Co Ltd http www h3c com Document version 6W100 20230301...

Page 2: ...espective 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 accur...

Page 3: ...ts arguments that you replace with actual values Square brackets enclose syntax choices keywords or arguments that are optional x y Braces enclose a set of required syntax choices separated by vertica...

Page 4: ...s Convention Description Represents a generic network device such as a router switch or firewall Represents a routing capable device such as a router or Layer 3 switch Represents a generic switch such...

Page 5: ...ardware model configuration or software version It is normal that the port numbers sample output screenshots and other information in the examples differ from what you have on your device Documentatio...

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

Page 7: ...ry for example necklace or any other things that could get caught in the chassis when you install and maintain the switch Electricity safety Clear the work area of possible hazards such as ungrounded...

Page 8: ...or optical fiber connectors The laser light emitted from these apertures might hurt your eyes The switch is a Class 1 laser product Examining the installation site The switch can only be used indoors...

Page 9: ...ge humidity noncondensing 5 RH to 95 RH Cleanliness Dust buildup on the chassis might result in electrostatic adsorption which causes poor contact of metal components and contact points In the worst c...

Page 10: ...that the switch has a good power supply system implement power planning as follows 1 Calculate the total power consumption The total power consumption of a switch is determined mainly by its configura...

Page 11: ...has enough space to accommodate the switch See Table 1 3 for rack requirements Table 1 3 Switch dimensions and rack requirements Model Chassis depth Rack requirements S7503X G Total depth of 501 mm 1...

Page 12: ...ck posts and the rear door S7510X G S7510X G PoE Total depth of 515 mm 20 28 in 99 mm 3 90 in from the rack facing surface of the mounting brackets to the front ends of the cable management brackets 4...

Page 13: ...sis rear 2 Cable management bracket Installation accessories and tools Installation accessories Table 1 4 lists the installation accessories provided with the switch Table 1 4 Installation accessories...

Page 14: ...0X G 12 S7510X G PoE 12 Cable management bracket kit Cable management bracket 1 M3 Phillips countersunk head screw S7503X G 3 S7503X M G 2 S7506X G 3 S7506X G PoE 3 S7510X G 6 S7510X G PoE 6 M6 cage n...

Page 15: ...lat blade screwdriver P4 75 mm Marker Tape Diagonal pliers wire stripping pliers and wire clippers M6 wrench Cables including network cables and fiber cables Meters and equipment such as hub and multi...

Page 16: ...ttaching mounting brackets 2 6 Attaching accessories to the chassis 2 7 Installing mounting brackets and cable management bracket 2 7 Optional Installing an air filter 2 8 Mounting the switch in the r...

Page 17: ...rails 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...

Page 18: ...viest 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 rack has slid...

Page 19: ...een holes on a rack post as shown in Figure 2 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 for installation M...

Page 20: ...etween holes 3 Install six cage nuts on the square holes in each rack post as shown in Figure 2 4 Figure 2 4 Installing a cage nut 4 Align the installation holes on the front end of a slide rail with...

Page 21: ...rear 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...

Page 22: ...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 2 7 2 Install cage nuts as sho...

Page 23: ...able 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 for att...

Page 24: ...nal 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 install...

Page 25: ...itches 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 swi...

Page 26: ...o 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 terminal...

Page 27: ...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...

Page 28: ...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 sho...

Page 29: ...3 2 Installing the power supply system 3 3 Installing a power module adapter 3 3 Installing a power module 3 4 Connecting the power cord 3 5 Optional Installing transceiver modules and network cables...

Page 30: ...t strap To minimize ESD damage to electronic components wear an ESD wrist strap and ensure that it is reliably grounded when installing modules To use an ESD wrist strap 1 Make sure the switch is reli...

Page 31: ...at secure the card to the protection box b Pull the ejector levers of the card outwards c Pull the card out of the protection box To install a card 1 Wear an ESD wrist strap and make sure it has good...

Page 32: ...module adapters and PSR650 A PSR650 D power modules not recommended when the switch consumes less than 650 W LSQM1PWRSPB 0231A5X0 power module adapters and PSR650 A PSR650 D PSR1200 A PSR1200 D power...

Page 33: ...ood 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 filler panel secure for future use 3 Unpa...

Page 34: ...hed off CAUTION Typically 10A power strips are available in the equipment room but the PSR1200 A PSR1400 A and PSR2800 ACV power modules use 16A power cords You must prepare a 16A power strip and make...

Page 35: ...wer cord for a PSR1400 12D1 PSR2500 12D power module PSR2500 12D DC Connecting the power cord for a PSR320 A PSR650 A power module 1 Install a bail latch on the power module Insert the two ends of the...

Page 36: ...ule and ensure a good contact 3 Use the provided releasable cable tie to secure the power cord to the handle of the power module 4 Connect the other end of the power cord to the AC power source Figure...

Page 37: ...cord for a PSR1400 A power module Connecting the power cord for a PSR2500 12AHD power module 1 Unpack the power cord and verify that the power cord model is correct The PSR2500 12AHD power module uses...

Page 38: ...he PSR650 D 1 Remove the cover from the terminal block 2 Remove the screws on the wiring terminal with a Phillips screwdriver 3 Connect the end of the blue DC power cord marked with to the negative te...

Page 39: ...w that secures the terminal block to the chassis and remove the terminal block Figure 3 10 Removing the terminal block 2 Unpack the DC power cord provided with the power module Insert the wire marked...

Page 40: ...power cord to the DC wiring terminals make sure the end of the circuit breaker at the power input end is off The power cord connection procedure is similar for the PSR1400 12D1 and PSR2500 12D power m...

Page 41: ...he other ends of the DC power cords to power source a Connect the blue end to the negative terminal 48V on the power source b Connect the black end to the positive terminal RTN on the power source Fig...

Page 42: ...nd make sure it makes good skin contact and is reliably grounded For more information see Attaching an ESD wrist strap 2 Remove the dust plug from the target fiber port 3 Unpack the SFP module It come...

Page 43: ...P DAC cable or QSFP fiber cable Connects two QSFP ports over a short distance QSFP28 fiber cable Connects two QSFP28 ports over a short distance QSFP to SFP DAC cable Connects one QSFP port to four SF...

Page 44: ...ration environment 4 1 Setting terminal parameters 4 2 Powering on the switch 4 3 Connecting the switch to the network 4 4 Connecting your switch to the network through twisted pair cables 4 4 Connect...

Page 45: ...ector 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 4 1 shows the console cable and Table 4 1 shows its pinouts...

Page 46: ...g 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 Figure 4 3 Connecting the console port to the terminal Set...

Page 47: ...started and the terminal parameters have been configured To power on the switch Turn on the power supply and power modules of the switch to power on the switch Command output varies by software versio...

Page 48: ...ork Before you connect the switch to the network verify that all its basic settings are correct After the switch is connected to the network use the ping or tracert command to test the network connect...

Page 49: ...o need to brush the end face of the fiber port Never bend or curve a fiber when connecting it After a fiber is installed the bend radius must be not less than 40 mm the minimum dynamic bend radius is...

Page 50: ...he RX port on the other end Figure 4 4 Using an LC optical fiber connector to connect an SFP module Figure 4 5 Using an MPO optical fiber connector to connect a QSFP module Connecting the switch to th...

Page 51: ...placing a power module adapter 5 2 Removing a power module 5 3 Replacing a card 5 4 Replacing a fan tray 5 5 Removing a fan tray 5 5 Installing a fan tray 5 6 Replacing an air filter 5 7 Replacing a t...

Page 52: ...on the FRU All FRUs of the switch are hot swappable You can replace any of them when the switch is operating NOTE The chassis and FRU views in the figures in this section are for illustration only Rep...

Page 53: ...le adapter 1 Prepare an antistatic mat to place the removed power module adapter 2 Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded For more information see At...

Page 54: ...ure each power module has a separate circuit breaker Before replacing a power module turn off the circuit breaker on the power module To avoid device damage and bodily injury strictly follow the proce...

Page 55: ...y pull the power module out as shown by callout 2 in Figure 5 6 7 Put the removed power module on the antistatic mat 8 Install a new power module For the installation procedures see Installing a power...

Page 56: ...f 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 5 7 Replacing a card Replacing a fan tr...

Page 57: ...reliably grounded For more information see Attaching an ESD wrist strap 2 Unpack a new fan tray and insert it into the fan tray slot along the slide rails Push the fan tray in the slot until it has a...

Page 58: ...re To replace an air filter 1 Loosen the captive screw on the air filter as shown by callout 1 in Figure 5 10 2 Seize the captive screws on the air filter and slowly pull the air filter out of the cha...

Page 59: ...it a minimum of 5 seconds before installing a new transceiver module Make sure the new transceiver module is the same model as the peer transceiver module at the other end of the optical fiber The rep...

Page 60: ...o which they will be inserted To avoid network cable damage and signal loss do not strain or tangle a network cable Before inserting a modular end of a network cable into a port make sure the module a...

Page 61: ...5 10 Figure 5 12 Removing an SFP DAC cable 3 Install a new cable For the installation procedures see Connecting a network cable...

Page 62: ...ffixing labels 6 3 Affixing a label to a signal cable 6 3 Affixing a label to a power cord 6 4 Affixing a generic label 6 5 Affixing a label to a device 6 6 Guidelines 6 6 Examples 6 6 Engineering lab...

Page 63: ...rk 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 6 1 write a signal cable label as follows Write the posit...

Page 64: ...ar 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 cabl...

Page 65: ...on 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 o...

Page 66: ...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 cable tie is bundled 2 c...

Page 67: ...side of the cable in vertical cabling Make sure the label is facing out as shown in Figure 6 7 Figure 6 7 Affixed labels Affixing a generic label The requirements for affixing a generic label are the...

Page 68: ...f power cords with identification plates on the same side The positions of up down right or left are all based on the viewpoint of the engineering person who is working on the label Examples The label...

Page 69: ...switch For the server end Rack number and chassis number or the specific location of the server if the server is laid separately On a label for the Ethernet cable that connects the switch and a termi...

Page 70: ...the equipment room B Chassis number C Slot number D Fiber port number R Optical receiving interface T Optical transmitting interface N A Figure 6 10 Example of a label on an optical fiber between two...

Page 71: ...interface N A Figure 6 11 Example of a label on an optical fiber between the device and the ODF ODF G01 01 01 R The local end of the optical fiber is connected to the optical receiving terminal on Ro...

Page 72: ...n the equipment room B03 48V2 distribution box side The power cord is 48V2 DC supply which is from the loaded cabinet on Row B Column 03 in the equipment room In the power distribution box or the firs...

Page 73: ...e local end is not necessary Make sure labels are affixed in the correct direction That is after the cable ties are bundled onto the cable the identification plates with the labels should face up and...

Page 74: ...6 12 Figure 6 14 Example of a device label...

Page 75: ...i Contents 7 Appendix B Cable management 7 1 Cable management guidelines 7 1 Cable management examples 7 3...

Page 76: ...oute 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 joined ties Th...

Page 77: ...cess from the ties leaving no sharp or angular tips as shown in Figure 7 3 Figure 7 3 Cutting the cable ties Route bind and attach excess cables for easy safe maintenance activities and proper operati...

Page 78: ...g figures are for illustration only Figure 7 4 Network cable management Figure 7 5 Optical fiber management Use strapping tapes to carefully bind optical fibers Avoid excessive force For more informat...

Page 79: ...7 4 Figure 7 6 Power cord management...

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