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HP Cluster Platform Interconnects v2010 Myrinet System Interconnect Guide - Page 35

Sliding Interconnect Chassis from the Rack, Procedure for 9U Interconnect

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Page 35 highlights

Figure 5-8: Sliding Interconnect Chassis from the Rack Rear of Rack 8. Move the interconnect to a suitable work surface. Retain all screws for reuse. Use only the 6-32 x .375 in Phillips pan-head screws to attach the retainer brackets to the chassis. Use of incorrect screws might damage components. Procedure for 9U Interconnect To remove a 9U system interconnect from the rack, use the following procedure: 1. Bring the cluster to an appropriate state for switch component removal and put the rack into a safe and stable state for component removal. 2. At the rack's power distribution unit (PDU), power off the circuit that supplies power to the interconnect. 3. Prepare a suitable work surface and clear a pathway for removal of the interconnect. Ensure that there are no cables or other obstructions underfoot. 4. At the front of the rack, a blanking plate covers the rear of the interconnect. Remove the six torque screws holding the blanking plate (Figure 5-9), then disconnect the interconnect's power supply cable. Figure 5-9: Blanking Plate Front of the Rack ZK-2075 Replacing components 5-7

Section	Page
Table of Contents	1
Audience	5
Organization	5
Additional documentation	5
Providing feedback	5
Symbols in text	6
Myrinet interconnect overview	7
1.1 Interconnect characteristics	7
Figure 1-1: Fat Tree Topology	7
1.2 Backplane and chassis types	8
Figure 1-2: Myrinet System Interconnect Backplane	8
Figure 1-3: Federated Configuration Switches	8
Figure 1-4: Nonfederated Configuration Switch	9
Figure 1-5: 128-Port Myrinet System Interconnect	10
1.3 Wiring rules	10
Figure 1-6: Fully Populated 128-Port Myrinet System Interconnect	11
PCI cards	13
2.1 General characteristics	13
Figure 2-1: PCI Identification Label	13
2.2 Single-port XP PCI card	14
Figure 2-2: Single-port XP PCI Rev. D card	14
2.3 Dual-port 2XP PCI	15
Figure 2-3: Myricom 2XP PCI Rev. E card	16
2.4 Single-port 2XP PCI	17
Figure 2-4: Myricom 2XP PCI Rev. F card	18
Switch, spine and monitoring line cards	19
3.1 Switch card	19
Figure 3-1: Myrinet system Interconnect 8-port switch card	19
Figure 3-2: External features of the Myrinet system interconnect	19
Figure 3-3: Myrinet system interconnect 8-Port GigE switch card	20
Figure 3-4: Block Diagram of the gigabit ethernet switch card	21
3.2 Spine card	21
Figure 3-5: Spine Card Block Diagram	22
3.3 Monitoring line card	22
Figure 3-6: Monitoring Line Card	23
Figure 3-7: External Features of the Monitoring Line Card	23
LED indications and diagnostics	25
4.1 Line card and PCI LEDs	25
4.2 Using LEDs for diagnostics	25
4.3 Using the monitoring line card for diagnostics	26
Replacing components	29
5.1 Installing a monitoring line card	29
5.2 Removing and installing an 8-port line card	30
Figure 5-1: Unlocking Switch Card Handles	30
Figure 5-2: Ejecting a Switch Card	31
Figure 5-3: Sliding a Switch Card	31
Figure 5-4: Backplane Power Connector	31
5.3 Replacing a fan tray	32
Figure 5-5: Removing a Fan Tray	32
5.4 Replacing an interconnect chassis	33
Powering up procedure	39