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Cisco Systems 5000 Series Switch User Manual

1. AV Av AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 2 4 6 Port 1 Port 1 Port 2 Port 2 Port 3 Port 3 Port 4 Port 4 O Module Slot 1 O Module Blot 2 Chassis 1 rear 192748 Both fabric interconnects should be wired identically if port 1 on FEX 1 for a chassis goes to FI A port 5 then port 1 on FEX 2 goes to FI B port 5 The following figure shows valid connections from FEXes in two chassis to two separate fabric interconnects When you connect the server chassis to the fabric interconnect do not connect the FEXes to the fabric interconnect s expansion modules While similar in appearance to the other OL 20035 05 Cisco UCS 5108 Server Chassis Installation Guide E Installation Removing the Chassis from a Rack ports on the fabric interconnect the expansion modules are never used for direct chassis connections they are used for uplink or SAN connections Figure 16 Proper Connection for the Server Chassis and two Cisco UCS 6120XP Fabric Interconnects Fabric Interconnect A
2. 330345 Caution Adding a second link to a fabric port channel port group is disruptive and will automatically increase the available amount of VIF namespace from 63 to 118 Adding further links is not disruptive and the VIF namespace stays at 118 OL 20035 05 Cisco UCS 5108 Server Chassis Installation Guide E Installation A Proper FEX and Fabric Interconnect Port Connectivity A Caution Linking a chassis to two fabric port channel port groups is disruptive and does not affect the VIF namespace unless it is manually acknowledged The VIF namespace is then automatically set to the smaller size fabric port channel port group usage either 63 or 118 VIFs of the two groups For high availability cluster mode applications symmetric cabling configurations are strongly recommended If the cabling is asymmetric the maximum number of VIFs available is the smaller of the two cabling configurations For more information on the maximum number of VIFs for your Cisco UCS environment see the configuration limits document for your hardware and software configuration Proper FEX and Fabric Interconnect Port Connectivity X Note The following illustrations are for example only you do not need to skip available ports to provide future expansion room See the UCS Manager configuration guide for FI port configuration considerations and limita
3. Warning Use copper conductors only Statement 1025 Warning This product requires short circuit overcurrent protection to be provided as part of the building installation A Install only in accordance with national and local wiring regulations Statement 1045 Warning A When installing or replacing the unit the ground connection must always be made first and disconnected last Statement 1046 Warning Installation of the equipment must comply with local and national electrical codes Statement 1074 Warning Hazardous voltage or energy may be present on DC power terminals Always replace cover when terminals are not in service Be sure uninsulated conductors are not accessible when cover is in place Statement 1075 Procedure Step1 Install the DC power supply in the chassis making note of the bay number so you are sure to connect the wiring to the appropriate terminals on the DC PDU at the chassis rear Step2 Verify that power is off to the DC circuit or circuits on the power supply that you are installing Step3 Ensure that all site power and grounding requirements have been met Step4 Remove the plastic cover from the DC terminals by squeezing the flanges at the top and bottom of the cover Step5 Connect the ground wires to the power supply terminal block shown as a green wire below Only one ground connection is required though there may be up to four DC connections Step6 Connect the DC input wires t
4. N 8 8 Server Slot 3 Server Slot 4 a 2 d 3 Server Slot 5 Server Slot 6 5 ae 5 F A A Server Slot 7 Server Slot 8 Ne PS 1 PS2 PS 3 PS4 ya regal Can Front Rear Step6 Connect the server chassis to the fabric interconnect as described in Proper FEX and Fabric Interconnect Port Connectivity on page 20 Connecting a DC Power Supply This section describes how to connect power to the rear PDU terminals on the DC version chassis UCSB 5108 DC corresponding to a UCS 5108 DC power supply UCSB PSU 2500DC48 Required Tools You must have the following tools to perform this procedure e A Phillips screwdriver e A 10 mm wrench or socket e Connectors and wire for the DC circuit or circuits DC Power Installation Procedure A Warning When stranded wiring is required use approved wiring terminations such as closed loop or spade type with upturned lugs These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor Statement 1002 Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation A Connecting a DC Power Supply i Warning A Before performing any of the following procedures ensure that power is removed from the DC circuit Statement 1003 Warning A A readily accessible two poled disconnect device must be incorporated in the fixed wiring Statement 1022
5. Rear AV 4 AV AV AV AV Port 1 Port 2 Port 1 Port 2 Port 3 Port 3 Port 4 Port 4 VO Module Slot 1 VO Module Blot 2 Chassis 1 rear m Port 1 Port 1 _ Port 2 Port 2 Port 3 Port 3 Port 4 Port 4 VO Module Slot 1 VO Module Blot 2 192749 Chassis 2 rear Removing the Chassis from a Rack If you plan to remove a chassis from a UCS system and then from a rack you should first 1 Use Cisco UCS Manager to shut down the OS on all blade servers in the chassis Graceful shutdown of a blade server is discussed in the System Management section Managing Blade Servers chapter of the Cisco UCS Manager configuration guide for your software release The related CLI commands are as follows UCS A scopetorgi UCS A org Scope service profile service profile name UCS A org service profile power down Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Step 1 Step 2 Step 3 Step 4 Step 5 Step 6
6. Small Form Factor Pluggable SFP copper or optical transceivers Each transceiver runs at 10 Gb SFP Twinax Copper Transceivers The FEX also supports Twinax copper transceivers The enhanced SFP 10 Gb Ethernet transceiver is a bidirectional device with a transmitter and receiver in the same physical package It has a 20 pin connector on the electrical interface Table 3 SFP 10 Gb Ethernet Transceiver Model Description SFP H10GB CUIM 10 Gb Ethernet copper SFP 1 m 3 28 ft OL 20035 05 Cisco UCS 5108 Server Chassis Installation Guide E Installation Optical SFP Transceivers Model Description SFP H10GB CU3M 10 Gb Ethernet copper SFP 3 m 9 84 ft SFP H10GB CU5M 10 Gb Ethernet copper SFP 5 m 16 4 ft SFP H10GB ACU7M 10 Gb Ethernet copper SFP 7 m 22 9 ft SFP H10GB ACU10M 10 Gb Ethernet copper SFP 10 m 32 8 ft The figure below shows the SFP H10GB CUSM transceiver The rubber loop is used for removing the SFP from its port on the I O module Figure 17 SFP 10 Gb Twinax Copper Transceiver Optical SFP Transceivers If distances greater than 10 meters 33 feet must be spanned the FEX also supports the substitution of the copper SFP by optical SFP transceivers The SFP 10 Gb Ethernet optical transceiver is a bidirectional device with a transmitter and receiver in the same physical package It has a duplex LC connector on the opt
7. the Cisco UCS 5108 Blade Server Chassis Power Supply Units Ensure that the site power meets the power requirements listed in Technical Specifications If available you can use an uninterruptible power supply UPS to protect against power failures Avoid UPS types that use ferroresonant technology These UPS types can become unstable with systems such as the Cisco UCS which can have substantial current draw fluctuations due to fluctuating data traffic patterns Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Required Equipment Ensure that circuits are sized according to local and national codes For North America the power supply requires a 20 A circuit To prevent loss of input power ensure that the total maximum loads on the circuits supplying power to the chassis are within the current ratings for the wiring and breakers e Use the following torque values when installing the chassis 10 32 screws 20 in lb Required Equipment Before you begin the installation ensure that you have the following items e Number and number 2 Phillips head screwdrivers with torque measuring capabilities e Tape measure and level e ESD wrist strap or other grounding device e Antistatic mat or antistatic foam Unpacking and Inspecting the Chassis A Caution When handling chassis components wear an ESD strap and handle modules by the carrier edges only Tip Keep the shipping co
8. Installation This chapter contains the following sections e Installation Notes and Warnings for the Cisco UCS 5108 Server Chassis page 1 e Installing the Chassis page 7 e Repacking the Chassis page 23 e SFP Transceivers page 23 Installation Notes and Warnings for the Cisco UCS 5108 Server Chassis amp The following notes and warnings apply to all installation tasks Note A Before you install operate or service the system see the Regulatory Compliance and Safety Information for Cisco UCS for important safety information Warning gt Warning IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device Statement 1071 SAVE THESE INSTRUCTIONS This unit is intended for installation in restricted access areas A restricted access area can be accessed only through the use of a special tool lock and key or other means of security Statement 1017 OL 20035 05 Cisco UCS 5108 Server Chassis Installation Guide E Installation A Rack Requirements A Warning Only trained and qualified personnel must be allowed to inst
9. Repacking the Chassis 2 Disable the Smart Call Home feature as mentioned in the System Monitoring section Configuring Call Home chapter of the Cisco UCS Manager configuration guide for your software release The related CLI commands are UCS A UCS A monitoring scope callhome UCS A monitoring callhome disable 3 Decommission the chassis as described in the System Management section Managing the Chassis chapter of the UCS Manager configuration guide for your software release The related CLI command is decommission chassis chassis num Procedure Disconnect the power cords and networking cables from the chassis Remove all modules and blades from the chassis to lighten its weight Remove the screws holding the front rack mount flange to the rack With two people holding the chassis make sure that its weight is fully supported Gently slide the chassis off the rails and out of the rack Replace the modules and blades in the server chassis Repacking the Chassis If you need to repack the chassis remove it from the rack by reversing the steps in the Removing the Chassis from a Rack on page 22 section and then pack it for shipment If possible use the original packing materials and container to pack the chassis If you are returning the chassis to Cisco contact your Cisco customer service representative to arrange for return shipment to Cisco SFP Transceivers Each FEX within the chassis supports
10. Server Chassis Installation Guide OL 20035 05
11. ail kit N20 CRMK2 to install into rack front and or rear posts that use either threaded or non threaded round holes Four adapters in the kit are for adapting the rail kit to install into rack posts with threaded round holes and the other four adapters in the kit are for adapting the rail kit to install into rack posts with non threaded round holes You can use a combination of adapters based on the type of holes in the rack posts Various sizes and lengths of screws are also included in the kit Procedure Insert the adapter tab into the mounting rail as shown in callout 1 Slide the adapter up to lock it into position as shown in callout 2 Secure the adapter into place using the provided pan head screw as shown in callout 3 Figure 2 Attaching the Round Hole Adapter Optional 279771 je eee r Step4 Repeat steps 1to 3 for the other three adapters Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Installing the Chassis Installing the Chassis This section describes how to install the chassis This two part process consists of installing the rails into the rack and then installing the chassis into the rack and on to the rails A Caution Never attempt to lift the chassis by using an installed module s handle as a grip point only use the handles on the sides of the chassis A Caution Ifthe rack has wheels ensure that the brakes are engaged the
12. ails horizontal OL 20035 05 Cisco UCS 5108 Server Chassis Installation Guide kail Installation A Installing the Rails plates The next two cage nuts are installed into the fifth holes above the first cage nut Finally the two cage nuts are installed into the fourth holes above the second cage nuts Figure 6 Placement of Rails and Cage Nuts with Respect to the Rack Unit Boundary lt A 4 L lt A a 5 A w 7 IE Lower rack unit reference boundry J Figure 7 Proper Placement for the Rails and Cage Nuts Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Installing the Round Hole Adapter Kit i Cage nuts fa o a 5 500 Left rail Right rail a eae a s g 250 vV JE i 192730 Step8 Remove all power supplies fan assemblies server blades and fabric extenders to lighten the chassis Even with devices removed the chassis weighs 90 lbs 40 83 kg Installing the Round Hole Adapter Kit Before installing the chass
13. all replace or service this equipment Statement 1030 Rack Requirements This section provides the requirements for installing in a standard open rack assuming an external ambient air temperature range of 50 to 95 F 10 to 35 C amp Note Do not use racks that have obstructions These obstructions could impair access to field replaceable units FRUs The Cisco R Series Racks are an ideal choice If other racks will be used the rack must be of the following type e Standard 19 inch 48 3 cm four post EIA rack a minimum of 39 4 inches 100 cm deep with mounting rails that conform to English universal hole spacing per section 1 of ANSI EIA 310 D 1992 The mounting holes of the rails in the rack must be square unless the optional round hole adapter kit is used The tool less rack mount kit shipped with the chassis is required The adjustable rack rails shipped with each enclosure extend from 29 inches 73 66 cm to 35 inches 88 9 cm e Front and rear doors If your server rack includes closing front and rear doors the doors must have 65 percent open perforated area evenly distributed from top to bottom to permit adequate airflow A Caution Always use blanking panels to fill all remaining empty front panel U spaces in the rack This arrangement ensures proper airflow Using a rack without blanking panels results in improper cooling that can lead to thermal damage The rack must also meet the followin
14. available it can maintain system operation Verify power supply operation by checking the power supply s front panel LEDs You should see the following The LED labeled INPUT OK is green The LED labeled OUTPUT FAIL is not lit Check the power supply and system status from the UCS console by entering the show system command or the show power command do using the GUI For more information on these commands refer to the command reference for your software Cabling Considerations for Fabric Port Channels A When you configure the links between the Cisco UCS 2200 Series FEX and a Cisco UCS 6200 series fabric interconnect in fabric port channel mode the available VIF namespace on the adapter varies depending on where the FEX uplinks are connected to the fabric interconnect ports Inside the 6248 fabric interconnect there are six sets of eight contiguous ports with each set of ports managed by a single chip When uplinks are connected such that all of the uplinks from an FEX are connected to a set of ports managed by a single chip Cisco UCS Manager maximizes the number of VIFs used in service profiles deployed on the blades in the chassis Ifuplink connections from an IOM are distributed across ports managed by separate chips the VIF count is decreased Figure 14 Port Groups for Fabric Port Channels AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV
15. ce the two hooks at each end of the rail into the first two holes at a rack unit boundary Figure 4 Hole Spacing for the Tool less Rails in Relationship to a Rack Unit 500 L_ 625 H O ic 625 1 250 i y H 0 A Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Step 4 Step 5 Step 6 Step 7 Installing the Rails The following figure shows a rail mounted into a rack in the proper position with respect to a rack unit boundary Measurements are in inches between the centers of the holes Figure 5 Installing Tool less Chassis Support Rails into the Rack amunt g NEER E EEREEREEREEEEEEEEE T EEEEEEEEEREEEEEEEE pE FEELER Press down firmly on the rail until the hooks seat firmly and securely into the holes and the spring clip latches into place Follow the same procedure to install the other rack rail Use a tape measure and level to verify that the rack rails are horizontal and at the same height Insert the cage nuts on to the rack in the needed square holes as shown below When the rails are installed on a rack unit boundary the first two cage nuts are installed into the seventh holes above the r
16. g requirements e The minimum available vertical rack space per chassis must be six RU rack units equal to 10 5 inches 26 7 cm Cable Management To help with cable management allow additional space in the rack above and below the chassis to make it easier to route copper cables plus up to eight copper cables per Cisco UCS 5108 server chassis through the rack Cable management can be an important factor in preventing overheating issues In the following figure the pefore illustration shows cables blocking the rear of the chassis and preventing the fans from exhausting warm air from the chassis This situation causes failed DIMMs in the blade servers and seemingly random Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Airflow Considerations i server shutdowns when internal temperatures exceed specification Use cable ties and other wiring practices to keep the rear of the chassis unobstructed as shown in the after illustration Figure 1 Cable Management Before After o o o o o o o o o o o o o o ooo0oo0o0000000000 900000000000000 o o o Airflow Considerations Airflow through the chassis is from front to back Air enters the chassis through the blade servers and power supply grills at the front of the chassis and exits through the fan module
17. ical interface Model Description SFP 10G SR Short range optical SFP up to 300 m 984 feet SFP 10G LR Long range optical SFP up to 10 km 6 2 miles l While the SFP 10G LR is supported by both the fabric interconnect and I O module the maximum distance will introduce latency issues that will affect overall performance Documentation for SFP 10 Gb Ethernet optical transceivers is at http www cisco com en US docs interfaces_modules transceiver_modules installation note 78_15160 html Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Replacing a Copper Twinax SFP Transceiver with an Optical SFP Transceiver i Replacing a Copper Twinax SFP Transceiver with an Optical SFP Transceiver Procedure Step1 Remove the copper Twinax SFP from the FEX port by pulling gently on the rubber loop The cable and SFP transceiver come out as a single unit leaving the FEX port empty Figure 18 Removing a Twinax Copper SFP Transceiver 192627 Step2 Insert the optical SFP transceiver into the FEX port Make sure that it clicks firmly into place Step3 Plug the fiber optic cable into the optical SFP transceiver Figure 19 Replacing a Copper SFP Transceiver with an Optical SFP Transceiver Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation A Replacing a Copper Twinax SFP Transceiver with an Optical SFP Transceiver Cisco UCS 5108
18. is in a round hole rack prepare the rails by adding the adapter kit according to the instructions in Attaching the Round Hole Adapter Kit to the Rails Optional on page 6 Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Installing the Round Hole Adapter Kit Procedure Step1 Remove the mounting template Cisco 78 19093 01 from the accessory box The template is designed to show you the proper holes within which the rails and cage nuts should be placed Once the rack holes line up with the template you should mark the holes so that their position is known after removing the template Step2 Adjust the length of the rail by sliding the ends of the rail back and forth until they match the depth of the rack Step3 Place the adapters and rails even with a rack boundary at each end of the rail Step4 Secure the rail to the rack with the provided pan head screws as shown below Figure 8 Attaching the Mounting Brackets to a Round Hole Rack er a X N N N Y O Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Installing the Round Hole Adapter Kit i Step5 Follow the same procedure to install the other rack rail as shown below Figure 9 Round Hole Adapter and Rails Installed in a Rack 279774 Step6 Use a tape measure and level to verify that b
19. ntainer in case the chassis requires shipping in the future Note The chassis is thoroughly inspected before shipment If any damage occurred during transportation or any items are missing contact your customer service representative immediately Procedure Step1 Remove the chassis from its cardboard container Save all packaging material Step2 Compare the shipment to the equipment list provided by your customer service representative and verify that you have received the following items e Any printed documentation Tool less rack mount kit N20 CRMK2 mounting rails can be installed in a rack without the use of tools The optional round hole adapter kit N20 CRMK2 RHA does require tools e ESD wrist strap e Cables with connectors including the N20 BKVM which is the KVM local I O console dongle Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Attaching the Round Hole Adapter Kit to the Rails Optional Step 3 e Any optional items ordered Verify that all unused blade slots and power supply bays have blank covers Attaching the Round Hole Adapter Kit to the Rails Optional XY Note Step 1 Step 2 Step 3 The chassis tool less rails are designed for racks that have square mounting holes You must use the round hole adapters N20 CRMK2 RHA to install the chassis in racks that have round mounting holes This round hole adapter kit allows you to adapt the r
20. o the power supply terminal block The proper wiring sequence is positive to positive red wire and negative to negative black wire The figure below shows a connection to terminal 1 OL 20035 05 Cisco UCS 5108 Server Chassis Installation Guide ie Installation Connecting a DC Power Supply Note The positive and negative wires can be installed pointing either to the right or to the left as long as the terminal cover is used The figure below shows them pointed to the right Panduit LCD4 14A L connectors may be used for the supply and return wires and Panduit LCD4 14AF L or equivalent connectors may be used for the 90 degree ground lug wire Both connections have double lugs with 25 inch holes measuring 625 inches from center to center Figure 13 Connecting DC Power to the Chassis shows DC PDU only Chassis is Omitted Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Step 7 Step 8 Step 9 Step 10 Step 11 Cabling Considerations for Fabric Port Channels i Replace the terminal cover as shown This cover should always be in place when power is applied to the terminals Connect the other end of the power wires to a DC power input source Set the DC disconnect switch in the circuit to ON Caution In a system with multiple power supplies connect each power supply to a separate DC power source In the event of a power source failure if the second source is still
21. oth rack rails are horizontal and at the same height Step 7 Remove all power supplies fan assemblies server blades and I O modules to lighten the chassis Even with devices removed the chassis weighs 90 lbs 40 83 kg Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Inserting the Chassis into the Rack Inserting the Chassis into the Rack Procedure Step1 With the help of another person or special lifting equipment lift the chassis and place it on the mounting rail as shown Figure 10 Mounting Rail Weight Distribution Square Hole Mount Shown Weight bearing surface Chassis should be riding on this surface J fg DOD B LO A NON WEIGHT BEARING SURFACE CHASSIS SHOULD NOT BE RIDING ON THIS SURFACE 192518 The mounting rails may come loose and cause the chassis to fall if the weight is resting on the Caution wrong surface Make sure that the bottom of the chassis is resting on the correct rail surface Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Inserting the Chassis into the Rack i Step2 Slide the chassis into the rack until the front flange is flat against the cage nuts Cage nuts are not needed in round hole racks Step3 Using the six Phillips round washer head screws and the cage nuts used in square hole installations secure the chassis by its flanges to the rack as sh
22. own Figure 11 Securing the Chassis Into the Rack O O OD 0O O0 0O 0O00 0OO0OODOOL a oooooocooooooooooOoooOL A 70 0 00 0000 192519 Q Q Q Q Q a Q Q Q Q QO Q Q QO a Q Q Q Q Q Q a a D a D D q Step4 Replace all servers fans and power supplies back into their respective chassis slots Step5 To power up the chassis connect the appropriate AC power cables to the inlet connector corresponding to each installed power supply and then connect the other end of the cables to the power source For a DC installation see Connecting a DC Power Supply on page 16 To determine the number of power supplies needed for a given configuration use the Cisco UCS Power Calculator tool OL 20035 05 Cisco UCS 5108 Server Chassis Installation Guide Installation Connecting a DC Power Supply Note Both grids in a power redundant system should have the same number of power supplies If your system is configurer slots 1 and 2 are assigned to grid 1 and slots 3 and 4 are assigned to grid 2 If only two power supplies PS are i1 chassis they should be in slots 1 and 3 Slot and cord connection numbering is shown below Figure 12 Power Supply Bay and Connector Numbering Server Slot 2 Server Slot 1 er Slo ia ner i
23. s on the back of the chassis To ensure proper airflow follow these guidelines e Maintain ambient airflow throughout the data center to ensure normal operation e Consider the heat dissipation of all equipment when determining air conditioning requirements Do not allow the exhaust of one system to be the intake for another system e When evaluating airflow requirements take into consideration that the hot air generated by equipment at the bottom of the rack can be drawn in the intake of the equipment above e Make sure that the exhaust at the rear of the chassis is unobstructed for at least 24 in 61 cm This includes obstruction due to messy cabling practices e Some blade servers ship with internal shrouds that are placed over the DIMMs and CPUs They are used to channel airflow to where it is needed the most If a shroud can be used a given model it should be used If an enclosed rack is used the front door must be 65 percent perforated to ensure adequate airflow to the servers Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 253898 Installation Moving Server Chassis Moving Server Chassis When lifting the chassis be aware of its weight and follow these guidelines A Caution Do not try to lift the chassis using the handles on the side These handles are intended only for moving and adjusting the chassis position e Never lift the chassis alone Always use two people to lift
24. stabilizing pads are extended or that the rack is otherwise stabilized Table 1 Contents of the Cisco UCS 5108 Server Chassis Rack Mount Kit N20 CRMK2 Quantity Part Description 1 Left tool less rack mount rail 1 Right tool less rack mount rail 6 10 32 X 0 75 Phillips round washer head screws 6 10 32 X 0 125 cage nuts Table 2 Contents of the Cisco UCS 5108 Server Round Hole Adapter Kit N20 CRMK2 RHA Quantity Part Description 4 Round hole adapters threaded 4 Round hole adapters un threaded 4 Adapter securing screws 16 Phillips head screws for securing the rails to the rack A Warning The plug socket combination must be accessible at all times because it serves as the main disconnecting device Statement 1019 Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation A Installing the Rails Installing the Rails Procedure Step1 Remove the mounting template Cisco 78 19093 01 from the accessory box The template is designed to show you the proper holes within which the rails and cage nuts should be placed Once the rack holes line up with the template you should mark the holes so that their position is known after removing the template Step2 Adjust the length of the rail by sliding the ends of the rail back and forth until they match the depth of the rack Figure 3 Adjusting the Tool less Rack Mount Rail Step3 Pla
25. the chassis If available use a scissor jack or other lifting device designed for installing heavy equipment into data center racks e Disconnect all power and external cables before lifting the chassis e Remove all FEXes power supplies fans and servers from the chassis before lifting Ensure that your footing is solid and the weight of the system is evenly distributed between your feet e Lift the system slowly keeping your back straight Lift with your legs not with your back Bend at the knees not at the waist A Caution Do not remove the Power Distribution Unit PDU located at the back of the chassis Installation Guidelines When installing the chassis follow these guidelines Plan your site configuration and prepare the site before installing the chassis See Site Planning and Maintenance Records for the recommended site planning tasks Further detail is provided in the Cisco UCS Site Preparation Guide e Record the information listed in Site Planning and Maintenance Records as you install and configure the chassis Ensure that there is adequate space around the chassis to allow for servicing the chassis and for airflow e Ensure that the air conditioning meets the heat dissipation requirements listed in Technical Specifications Ensure that the cabinet or rack meets the requirements listed in Rack Requirements on page 2 Note Jumper power cords are available for use in a rack See Specifications for
26. tions Observe the following guidelines e When you connect the server chassis to the fabric interconnect do not connect the FEXes to the fabric interconnect s expansion modules While similar in appearance to the other ports on the fabric interconnect the expansion modules are never used for direct chassis connections They are typically used for SAN connectivity or network uplink All ports of a FEX must be connected to only one fabric interconnect You must connect each fabric interconnect to the chassis through its own FEX e If you need to connect to a second fabric interconnect do the following The chassis must have a second FEX installed All ports of the second FEX must be connected to the second fabric interconnect only because the FEX is a fabric extender which can only be connected to a single switch or in this case a fabric interconnect Cisco UCS 5108 Server Chassis Installation Guide OL 20035 05 Installation Proper FEX and Fabric Interconnect Port Connectivity i The following figure shows an invalid connection from a FEX to two separate fabric interconnects Figure 15 Invalid Connection for the Server Chassis and two Cisco UCS 6120XP Fabric Interconnects Fabric Interconnect A Rear 1 3 5 7 9 11 13 15 47 19 21 23 25 27 29 31 1 3 5 7 9 14 1 13 15 f L AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV AV 28 30 32 2 4 6 8

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