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Connecting PSU Cables
Connecting the AC PSU Cable
Before connecting power cables, ensure that the server has been correctly installed. For details, see Installing a Server.
- Use dedicated power cables to ensure equipment and personal safety.
- Use power cables only for dedicated servers. Do not use them for other devices.
- Connect the power cables of the active and standby PSUs to different power distribution units (PDUs) to ensure reliable system operation.
- Ground the equipment before powering it on.
Procedure
- Take the spare part out of its ESD bag.
- Connect one end of the power cable to the power socket on the PSU of the server.Figure 8-49 Connecting the cable
- Secure the power cable using a velcro strap.Figure 8-50 Securing the cable
- Connect the other end of the power cable to the AC PDU in the cabinet.
The AC PDU is fastened horizontally in the rear of the cabinet. Connect the power cable to the socket on the PDU according to the plan.
- Bundle the power cable to the cable guide using cable ties.
Connecting DC PSU Cables
Before connecting power cables, ensure that the server has been correctly installed. For details, see Installing a Server.
- Use dedicated power cables to ensure equipment and personal safety.
- Use power cables only for dedicated servers. Do not use them for other devices.
- Connect the power cables of the active and standby PSUs to different power distribution units (PDUs) to ensure reliable system operation.
- Ground the equipment before powering it on.
Procedure
- Take the spare part out of its ESD bag.
- Connect the cables to the PSUs.
- Put the OT terminal (for the ground cable) on the screw removed from the ground hole, install the screw on the ground hole, and tighten the screw. See (1) in Figure 8-51.
- Insert the power cables to the wiring terminals on the PSU until the cables click into position. See (2) in Figure 8-51.
- Connect the cord end terminal of the negative power cable (blue) to the NEG(-) wiring terminal on the PSU.
- Connect the cord end terminal of the positive power cable (black) to the RTN(+) wiring terminal on the PSU.
- Connect the other end of the power cable to the DC PDU in the cabinet.
The DC PDU is fastened horizontally in the rear of the cabinet. Connect the power cable to the socket on the PDU according to the plan.
- Bundle the power cables to the cable guide using cable ties.
