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61 

Appendix D Cooling system 

 

CAUTION: 

The chassis and power modules use separate air aisles. Make sure the two aisles are not blocked 
when the switch is operating. 

 

To dissipate heat timely and ensure system stability, the switch uses the front-rear air aisle cooling 
system. Consider the site ventilation design when you plan the installation site for the switch. 

Table 38 Cooling system for the switch 

Switch model 

Available fan trays 

Airflow direction 

•

 S6820-32H 

•

 S6820-56HF

LSWM1FANSA 

From the power module side to the port side 

LSWM1FANSAB 

From the port side to the power module side  

S6820-4C 

LSWM1BFANSC 

From the power module side to the port side 

LSWM1BFANSCB 

From the port side to the power module side  

 

Figure 64 Airflow from the power module side to the port side through the S6820-32H 
chassis (with LSWM1FANSA fan trays) 

 

 

Figure 65 Airflow from the port side to the power module side through the S6820-32H 
chassis (with LSWM1FANSAB fan trays) 

 

 

Summary of Contents for S6820 Series

Page 1: ...H3C S6820 Switch Series Installation Guide New H3C Technologies Co Ltd http www h3c com Document version 6W106 20190710 ...

Page 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 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 Environmental protection This produc...

Page 3: ...tax choices keywords or 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 separated by vertical bars from which you select one or none x y Asterisk marked braces enclose a set of required syntax choices separated by vertical bars from which you select a mi...

Page 4: ...as 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 unified wired WLAN switch Represents an access point Represents a wireless terminator unit Represents a wireless terminator Represents a mesh access point Represents omnidirectional signals Represents...

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

Page 6: ...module 22 Connecting the power cords 24 Connecting an AC power cord 24 Connecting a DC power cord 24 Installing removing expansion cards 25 Verifying the installation 27 Accessing the switch for the first time 28 Setting up the configuration environment 28 Connecting the console cable 28 Connecting the mini USB console cable 29 Setting terminal parameters 31 Powering on the switch 31 Setting up an...

Page 7: ... B FRUs 47 Power modules 47 Fan trays 48 Expansion cards 48 Appendix C Ports and LEDs 50 Ports 50 Console port 50 Management Ethernet port 50 FE SFP modules 51 USB port 51 SFP port 51 SFP port 53 QSFP28 port 53 QSFP port 56 SFP28 port 56 LEDs 58 System status LED 58 QSFP28 port LED 58 SFP28 port LED 58 SFP port LED 59 SFP port LED 59 Management Ethernet port LEDs 59 Fan tray alarm LEDs 60 Appendix...

Page 8: ...avoid electrical shocks do not open the chassis while the switch is operating or when the switch is just powered off When replacing field replaceable units FRUs including power modules and fan trays wear an ESD wrist strap to avoid damaging the units Examining the installation site The switch must be used indoors Mount your switch in a rack and verify the following items Adequate clearance is rese...

Page 9: ...er three days NOTE Dust diameter 5 μm The equipment room must also meet limits on salts acids and sulfides to eliminate corrosion and premature aging of components as shown in Table 2 Table 2 Harmful gas limits in the equipment room Gas Maximum concentration mg m3 SO2 0 2 H2S 0 006 NH3 0 05 Cl2 0 01 EMI All electromagnetic interference EMI sources from outside or inside of the switch and applicati...

Page 10: ...ansceiver modules might emit invisible laser light Do not stare into beams or view directly with optical instruments when the switch is operating Installation tools No installation tools are provided with the switch Prepare the following tools yourself Phillips screwdriver ESD wrist strap Marker ...

Page 11: ...any consequence caused thereby Figure 1 Hardware installation flow Start Install the switch Ground the switch Connect power cords Verify the installation Turn on the circuit breakers Operating correctly Turn off the circuit breakers Troubleshoot the switch Install expansion cards Yes Yes No No Install expansion cards Operating correctly Yes No Resolve the problem End Install power modules Install ...

Page 12: ...ls and one pair of chassis rails provided See Figure 7 1U high including one pair of short slide rails and one pair of chassis rails optional See Figure 6 S6820 56HF 1U high one pair See Figure 3 N A 1U high including one pair of long slide rails and one pair of chassis rails provided See Figure 7 1U high including one pair of super short slide rails and one pair of chassis rails optional See Figu...

Page 13: ...ided with the S6820 56HF switch Figure 4 Mounting brackets provided with the S6820 4C switch 1 Cable management bracket 2 Mounting bracket Figure 5 1U super short slide rail and chassis rail 1 Chassis rail 2 Super short slide rail 1 2 ...

Page 14: ...sis rail 1 Chassis rail 2 Long slide rail Figure 8 2U slide rail and chassis rail 1 Chassis rail 2 Slide rail Mounting brackets chassis rails and grounding cable installation positions The switch has one mounting position near the network ports and one mounting position near the power modules for mounting brackets 1 2 ...

Page 15: ...11 Select installation positions for the mounting brackets chassis rails and grounding cable as required Figure 9 Mounting brackets and grounding cable installation positions on the S6820 32H switch 1 Power module side mounting position 2 Primary grounding point 3 Auxiliary grounding point 4 Port side mounting position Figure 10 Mounting brackets and grounding cable installation positions on the S...

Page 16: ...Follow these guidelines when you install the switch in a 19 inch rack The distance between the front and rear posts of the rack must meet the requirements described in Table 4 To secure the switch to the rack you must install not only mounting brackets but also chassis rails and slide rails Table 4 Distance requirements between the front and rear rack posts Switch model Installation method Minimum...

Page 17: ...d Figure 17 To install the mounting brackets at the port side mounting position see Figure 18 Figure 19 Figure 20 Figure 21 and Figure 22 For the S6820 56HF and S6820 4C switches to install the mounting brackets at the power module side mounting position use the four screw holes nearest to the power module side To install the mounting brackets at the network port side mounting position use the fou...

Page 18: ...Figure 14 Attaching the mounting brackets and short chassis rails to the S6820 56HF switch power module side mounting position for the mounting brackets Figure 15 Attaching the mounting brackets and long chassis rails to the S6820 56HF switch power module side mounting position for the mounting brackets chassis rails not reaching out of the chassis ...

Page 19: ...ng brackets chassis rails reaching out of the chassis Figure 17 Attaching the mounting brackets and chassis rails to the S6820 4C switch power module side mounting position for the mounting brackets Figure 18 Attaching the mounting brackets and chassis rails to the S6820 32H switch network port side mounting position for the mounting brackets ...

Page 20: ...ng the mounting brackets and long chassis rails to the S6820 56HF switch network port side mounting position for the mounting brackets chassis rails not reaching out of the chassis Figure 21 Attaching the mounting brackets and long chassis rails to the S6820 56HF switch network port side mounting position for the mounting brackets chassis rails reaching out of the chassis ...

Page 21: ... best practice use the primary grounding point or auxiliary grounding point 1 because the grounding cable and grounding screw that come with the switch are suitable only for these two grounding points To use auxiliary grounding point 2 on the S6820 4C switch prepare a grounding cable yourself This section uses the primary grounding point on the S6820 32H switch as an example To connect the groundi...

Page 22: ...e slide rail installation position in the rack 2 Install cage nuts user supplied in the mounting holes in the rack posts 3 Align the screw holes in one slide rail with the cage nuts in a rear rack post and use screws user supplied to attach the slide rail to the post as shown in Figure 24 4 Repeat the preceding steps to attach the other slide rail to the other rear rack post Keep the two slide rai...

Page 23: ... the following operations a Supporting the bottom of the switch aligns the chassis rails with the slide rails on the rack posts b Pushes the switch slowly to slide the chassis rails along the slide rails until the mounting brackets are flush with the rack posts 6 Another person uses screws user supplied to attach the mounting brackets to the rack To secure the switch in the rack make sure the fron...

Page 24: ...26 Mounting the S6820 32H switch in the rack Port side mounting position for the mounting brackets Figure 27 Mounting the S6820 4C switch in the rack power module side mounting position for the mounting brackets ...

Page 25: ...ing cable provided with the switch to connect the switch to a grounding strip in the equipment room The power input end of the switch has a noise filter whose central ground is directly connected to the chassis to form the chassis ground commonly known as PGND You must securely connect this chassis ground to the earth so the faradism and leakage electricity can be safely released to the earth to m...

Page 26: ...S6820 56HF switch do not remove the fan trays at the same time Replace the fan trays one after another and finish replacing a fan tray within 3 minutes If a fan tray fails on an operating S6820 4C switch replace the fan tray immediately and keep the failed fan tray in position before replacement If two fan trays fail finish replacing the fan trays within 1 minute The installation and removal proce...

Page 27: ...y that the fan tray model is correct 3 Orient the fan tray with the TOP mark on top Grasp the handle of the fan tray with one hand and support the fan tray bottom with the other and slide the fan tray along the guide rails into the slot until the fan tray is fully seated in the slot and has a firm contact with the backplane See Figure 30 Figure 30 Installing an LSWM1FANSA fan tray in the S6820 32H...

Page 28: ...o installed with filler panels You can install power modules for the switch as required For information about the available power modules see Appendix B FRUs Figure 32 Installation procedure Figure 33 Removal procedure Installing a power module CAUTION Follow the forward inertia of the power module when inserting it into the chassis and make sure the power module has firm contact with the connecto...

Page 29: ...e power module rather than use excessive force to push it in Figure 35 Installing a power module LSVM1AC650 Removing a power module CAUTION When an S6820 32H or S6820 56HF switch has two power modules in 1 1 redundancy mode removing one power module does not affect the operation of the switch When the switch has only one power module installed removing the power module powers off the switch When a...

Page 30: ... way out of the slot as shown in Figure 37 4 Supporting the power module bottom with one hand slowly pull the power module out with the other hand 5 Put the removed power module in an antistatic bag for future use 6 If you are not to install a new power module install a filler panel in the slot to ensure good ventilation in the switch Figure 36 Removing the DC power cord 1 Press the tabs on the po...

Page 31: ... to an AC power outlet Figure 38 Connecting an AC power cord to the LSVM1AC650 power module 1 Cable tie 2 Tighten the cable tie to secure the power cord to the handle of the power module Connecting a DC power cord 1 Align the power cord plug with the power receptacle on the power module and insert the plug into the receptacle see Figure 39 The plug and receptacle are foolproof If you cannot insert...

Page 32: ...res are the same This section uses the LSWM18CQ interface card as an example Installing an expansion card 1 Wear an ESD wrist strap and make sure the wrist strap makes good skin contact and is reliably grounded 2 Optional If the target expansion slot has a filler panel installed remove the filler panel as shown in Figure 40 a Use your thumb and forefinger to hold the filler panel through the two h...

Page 33: ...sion card remove the cable from it to avoid cable damage If you are not to install a new expansion card after removing the original one install the filler panel in the slot to prevent dust and ensure good ventilation in the device To remove an expansion card 1 Prepare an anti static bag 2 Wear an ESD wrist strap and make sure the wrist strap makes good skin contact and is reliably grounded 3 Press...

Page 34: ...on around the switch and the rack is stable The grounding cable is securely connected The correct power source is used The power cords are correctly connected All the interface cables are cabled indoors If any cable is routed outdoors verify that the socket strip with lightning protection and lightning arresters for network ports have been correctly connected 1 2 ...

Page 35: ...to connect a console terminal PC to the serial console port on the switch Figure 44 Connecting the serial console port to a terminal Connecting the console cable A serial console cable is an 8 core cable with a crimped RJ 45 connector at one end for connecting to the serial console port of the switch and a DB 9 female connector at the other end for connecting to the serial port on the console term...

Page 36: ... connect to the mini USB console port of the switch and a standard USB Type A connector at the other end to connect to the USB port on the configuration terminal To connect to the configuration terminal through the USB mini console cable 1 Connect the standard USB Type A connector to the USB port of the configuration terminal 2 Connect the USB mini Type B connector to the Mini USB console port of ...

Page 37: ...30 Figure 46 Device Driver Installation Wizard 6 Click Continue Anyway if the following dialog box appears Figure 47 Software Installation 7 Click Finish ...

Page 38: ... see the user guides for these programs The following are the required terminal settings Bits per second 9600 Data bits 8 Stop bits 1 Parity None Flow control None Powering on the switch 1 Before powering on the switch verify that the following conditions are met All the fan tray slots have a fan tray installed The power cords are connected correctly The input power voltage is as required by the s...

Page 39: ...nu options vary by software version For more information about BootWare menu options see the software matching release notes for the device 3 After the startup completes you can access the CLI to configure the switch For more information about the configuration commands and CLI see H3C S6820 Switch Series Configuration Guides and H3C S6820 Switch Series Command References ...

Page 40: ...anageability IRF fabric setup flowchart Figure 49 IRF fabric setup flowchart To set up an IRF fabric Step Description 1 Plan IRF fabric setup Plan the installation site and IRF fabric setup parameters Planning IRF fabric size and the installation site Identifying the master switch and planning IRF member IDs Planning IRF topology and connections Identifying physical IRF ports on the member switche...

Page 41: ...ccess Distribute the IRF member switches in different racks to implement the top of rack ToR access solution for a data center As your business grows you can add member switches into the IRF fabric to increase the switching capacity without any topology change or replacement Identifying the master switch and planning IRF member IDs Determine which switch you want to use as the master for managing ...

Page 42: ...ing 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 The IRF port connections in the two figures are for illustration only and more connection methods are available Figure 50 IRF fabric in daisy chain topology Figure 51 IRF fabric in ring topology IRF port1 IRF port1 IRF port2 IRF port2 1 2 3...

Page 43: ...e in the other range In each range the ports are grouped by port number in order starting from the lowest number Each group contains four ports On an LSWM124TG2H module the ports numbered 1 to 24 are grouped by port number in order starting from the lowest number Each group contains four ports On an LSWM116Q module odd and even numbered ports are separated for grouping The ports are grouped by por...

Page 44: ...connected in the rack Figure 52 Connecting the switches in one rack Figure 53 IRF fabric topology Connecting the IRF member switches in a ToR solution You can install IRF member switches in different racks side by side to deploy a top of rack ToR solution Figure 54 shows an example for connecting four top of rack IRF member switches The topology is the same as Figure 53 Figure 54 ToR cabling 1 2 3...

Page 45: ...essing the IRF fabric to verify the configuration To verify the basic functionality of the IRF fabric after you finish configuring basic IRF settings and connecting IRF ports 1 Log in to the IRF fabric through the console port of any member switch 2 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 3 Use T...

Page 46: ...The S6820 56HF switch has five fan tray slots The S6820 4C switch has two fan tray slots To replace failed fan trays on an operating switch follow these guidelines If multiple fan trays fail on an operating S6820 32H or S6820 56HF switch do not remove the fan trays at the same time Replace the fan trays one after another and finish replacing a fan tray within 3 minutes If a fan tray fails on an op...

Page 47: ...e is connected correctly 3 Verify that the console cable does not have any problems and the terminal settings are correct 4 If the issue persists contact H3C Support Garbled display Symptom The configuration terminal has a garbled display Solution To resolve the issue 1 Verify that the following settings are configured for the terminal Baud rate 9 600 Data bits 8 Parity None Stop bits 1 Flow contr...

Page 48: ...USB console port 2 Copper management Ethernet port 3 Serial console port 4 USB port 5 Fan tray 1 6 Fan tray 2 7 Fan tray 3 8 Fan tray 4 9 Fan tray 5 10 Fan tray 6 11 Power module 1 12 Power module 2 13 Fiber management Ethernet port 14 Fiber Management Ethernet port LED LINK ACT 15 Copper management Ethernet port LED ACT 16 System status LED SYS 17 Copper management Ethernet port LED LINK ...

Page 49: ...er modules are installed in the power module slots The S6820 32H switch comes with the six fan tray slots empty You must install six fan trays of the same model for the switch In Figure 56 six LSWM1FANSA fan trays are installed in the fan tray slots Figure 57 Left panel 1 Primary grounding point 2 Auxiliary grounding point S6820 56HF Figure 58 Front panel 1 SFP28 port 2 SFP28 port LED 3 QSFP28 por...

Page 50: ...lot PWR2 installed with a filler panel You can install one or two power modules for the switch as needed In Figure 59 two LSVM1AC650 power modules are installed in the power module slots The S6820 56HF switch comes with the five fan tray slots empty You must install five fan trays of the same model for the switch In Figure 59 five LSWM1FANSA fan trays are installed in the fan tray slots The S6820 ...

Page 51: ...SB port 5 SFP port 6 SFP port LED 7 Fan tray 1 8 Fan tray 2 9 Grounding screw auxiliary grounding point 2 10 Power module 4 11 Power module 3 12 Power module 2 13 Fiber management Ethernet port 14 Fiber management Ethernet port LED LINK ACT 15 Copper management Ethernet port LED ACT 16 System status LED SYS 17 Copper management Ethernet port LED LINK 18 Power module 1 1 2 3 4 5 6 7 8 9 10 11 12 13...

Page 52: ...Figure 63 Left panel 1 Primary grounding point 2 Auxiliary grounding point 1 Technical specifications Table 7 Technical specifications Item S6820 32H S6820 56HF S6820 4C Dimensions H W D 43 6 440 540 mm 1 72 17 32 21 26 in 43 6 440 460 mm 1 72 17 32 18 11 in 88 1 440 660 mm 3 47 17 32 25 98 in Weight 15 kg 33 07 lb 15 kg 33 07 lb 27 kg 59 52 lb Console port 1 Mini USB console port 1 serial console...

Page 53: ...0 W Single DC input 582 W Dual DC inputs 572 W Single AC input 405 W Dual AC inputs 413 W Single DC input 400 W Dual DC inputs 408 W Dual AC inputs 612 W Triple AC inputs 618 W Quadruple AC inputs 635 W Dual DC inputs 610 W Triple DC inputs 612 W Quadruple DC inputs 613 W Chassis leakage current compliance UL60950 1 EN60950 1 IEC60950 1 GB4943 Operating temperature 0 C to 45 C 32 F to 113 F Operat...

Page 54: ...FC No No Yes LSWM124XG2QL No No Yes LSWM124TG2H No No Yes The S6820 32H and S6820 56HF switches can operate correctly with only one power module You can install two power modules on the switch for 1 1 redundancy The S6820 4C switch can operate correctly with two power modules You can install four power modules on the switch for 2 2 redundancy To ensure heat dissipation make sure all fan tray slots...

Page 55: ... 5 118 7 mm 1 60 1 67 4 67 in Fan speed 21000 R P M Max airflow 35 CFM Input voltage 12 V Maximum power consumption 30 W Documentation reference H3C LSWM1FANSA LSWM1FANSAB Fan Tray User Guide LSWM1BFANSC from the power module side to the port side LSWM1BFANSCB from the port side to the power module side Dimensions 80 80 76 mm 3 15 3 15 2 99 in Fan speed 20000 R P M Max airflow 120 CFM Input voltag...

Page 56: ...h MACSec 24 10 GE copper ports 2 QSFP ports LSWM124XG 2Q 24 Port SFP Plus and 2 Port QSFP Plus Interface Card with MACSec 24 SFP ports 2 QSFP ports LSWM124XG 2QL 24 Port SFP Plus and 2 Port QSFP Plus Interface Card LSWM124XG 2QFC 24 Ports SFP Plus and 2 Ports QSFP Plus Interface Card with FC LSWM124TG 2H 24 Port SFP28 and 2 Port QSFP28 Interface Module 24 SFP28 ports 2 QSFP28 ports NOTE The QSFP p...

Page 57: ...rminal emulation program Provides connection to an ASCII terminal Provides connection to the USB port of a local PC running terminal emulation program Management Ethernet port The switch has two management Ethernet ports one copper management port and one SFP management port You can connect the ports to a local PC for software loading and debugging or to a remote management station for remote mana...

Page 58: ... and configuration files The USB port supplies power as per USB 2 0 specifications Use only USB 2 0 compliant USB devices for the USB port The port might not identity USB devices that are not compliant with USB 2 0 NOTE USB devices from different vendors vary in compatibilities and drivers H3C does not guarantee correct operation of USB devices from other vendors on the switch If a USB device fail...

Page 59: ... 6 21 miles Table 16 10 GE SFP copper cables available for the SFP ports 10 GE SFP copper cable Max transmission distance LSWM1STK 0 65 m 2 13 ft LSWM2STK 1 2 m 3 94 ft LSWM3STK 3 m 9 84 ft LSTM1STK 5 m 16 40 ft Table 17 10 GE SFP fiber cables available for the SFP ports 10 GE SFP fiber cable Max transmission distance SFP XG D AOC 7M 7 m 22 97 ft SFP XG D AOC 10M 10 m 32 81 ft SFP XG D AOC 20M 20 ...

Page 60: ...E SFP modules in SFP ports Only the SFP ports on the LSWM124XG2QFC interface card support SFP FC 8G SW MM850 and SFP FC 8G LW SM1310 modules Only F6202 and later versions support SFP FC 8G SW MM850 and SFP FC 8G LW SM1310 modules SFP port The S6820 56HF and S6820 4C switches each provide two SFP ports You can install FE SFP transceiver modules in Table 14 and GE SFP transceiver modules in Table 18...

Page 61: ... 100G LR4L WDM1 300 Four lanes 1264 5 to 1277 5 1284 5 to 1297 5 1304 5 to 1317 5 1324 5 to 1337 5 LC Single mode 9 125 N A 2 km 1 24 miles QSFP 100G ER4L WDM1 300 Four lanes 1294 53 to 1296 59 1299 02 to 1301 09 1303 54 to 1305 63 1308 09 to 1310 19 SMF Single mode 9 125 N A 40 km 24 86 miles QSFP 100G SWDM4 MM 850 Four lanes 850 880 910 940 MMF Multi mode 50 125 2000 75 m 246 06 ft 4700 100 m 32...

Page 62: ...hed 12 core Multi mode 50 125 2000 100 m 328 08 ft 4700 150 m 492 12 ft QSFP 40G CS R4 MM850 850 MPO PC polished 12 core Multi mode 50 125 2000 300 m 984 25 ft 4700 400 m 1312 33 ft QSFP 40G LR 4 PSM1310 1310 MPO APC polished 12 core Single mode 9 125 N A 10 km 6 21 miles QSFP 40G BI DI SR MM850 850 LC Multi mode 50 125 2000 100 m 328 08 ft 4700 150 m 492 12 ft QSFP 40G LR 4 WDM1300 Four lanes 127...

Page 63: ...odules MPO connectors include physical contact PC connectors with a flat polished face and angle polished contact APC connectors with an angle polished face 8 QSFP port The LSWM116Q provides 16 QSFP ports the LSWM18QC provides 8 QSFP ports and LSWM124XG2Q LSWM124XG2QFC LSWM124XG2QL and LSWM124XGT2Q each provide 2 QSFP ports You can install the following QSFP modules and cables in the QSFP ports QS...

Page 64: ...P28 ports 25G SFP28 copper cable Max transmission distance SFP 25G D CAB 1M 1 m 3 28 ft SFP 25G D CAB 3M 3 m 9 84 ft Table 29 25G SFP28 fiber cables available for the SFP28 ports 25G SFP28 fiber cable Max transmission distance SFP 25G D AOC 3M 3 m 9 84 ft SFP 25G D AOC 5M 5 m 16 40 ft SFP 25G D AOC 7M 7 m 22 97 ft SFP 25G D AOC 7M DG 7 m 22 97 ft SFP 25G D AOC 10M 10 m 32 81 ft SFP 25G D AOC 20M 2...

Page 65: ...s operating at 100 Gbps Flashing green The port is sending or receiving data at 100 Gbps Steady yellow A transceiver module or cable has been correctly installed The port has a link and is operating at 10 Gbps 25 Gbps or 40 Gbps Flashing yellow 3 Hz The port is sending or receiving data at 10 Gbps 25 Gbps or 40 Gbps Off No transceiver module or cable has been installed or no link is present on the...

Page 66: ...odule or cable has been correctly installed The port has a link and is operating at 1 Gbps Flashing green The port is sending or receiving data at 1 Gbps Steady yellow A transceiver module or cable has been correctly installed The port has a link and is operating at 100 Mbps Flashing yellow 3 Hz The port is sending or receiving data at 100 Mbps Off No transceiver module or cable has been installed...

Page 67: ...sending data at 1000 Mbps Steady yellow The port is operating at 100 Mbps Flashing yellow The port is receiving or sending data at 100 Mbps Fan tray alarm LEDs The LSWM1FANSA LSWM1FANSAB LSWM1BFANSC and LSWM1BFANSCB fan trays each provide an alarm LED Table 37 Description for the alarm LEDs on the fan trays Status Description On The fan tray is faulty Off The fan tray is operating correctly or no ...

Page 68: ...ooling system for the switch Switch model Available fan trays Airflow direction S6820 32H S6820 56HF LSWM1FANSA From the power module side to the port side LSWM1FANSAB From the port side to the power module side S6820 4C LSWM1BFANSC From the power module side to the port side LSWM1BFANSCB From the port side to the power module side Figure 64 Airflow from the power module side to the port side thro...

Page 69: ...w from the port side to the power module side through the S6820 56HF chassis with LSWM1FANSAB fan trays Figure 68 Airflow from the power module side to the port side through the S6820 4C chassis with LSWM1BFANSC fan trays Figure 69 Airflow from the port side to the power module side through the S6820 4C chassis with LSWM1BFANSCB fan trays ...

Page 70: ...odule 21 Installing removing expansion cards 25 L Laser safety 3 M Management Ethernet port 50 Management Ethernet port LEDs 59 Mounting brackets chassis rails and grounding cable installation positions 7 Mounting the switch in the rack 16 N No display 40 P Planning IRF fabric size and the installation site 34 Planning IRF topology and connections 34 Planning the cabling scheme 36 Q QSFP port 56 Q...

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