H3C S5120V3-EI Series, Руководство пользователя

Страница: 35 / 54

2-33
Connecting the DC power cord for a PSR560-56D power
supply
CAUTION:
•
To use a –48 VDC power source to supply power to the power supply, use the DC power cord
supplied with the power supply.
•
To use an H3C RPS to supply power to the power supply, use a compatible RPS power cord to
connect the RPS to the power supply.
•
To connect the switch to a –48 VDC power source, identify the positive (+) and negative (-) marks
on the DC power wires to ensure correct connections.
To connect the power cord for a PSR560-56D power supply:
1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.
2. Correctly orient the power cord connector, and then insert the connector into the power
receptacle on the power supply (see callout 1 in
Figure2-37 ).
The power cord connector and power receptacle are designed to prevent misalignment. If you
cannot insert the connector into the receptacle, re-orient the connector rather than use
excessive force to push it in.
3. Fasten the screws on the power cord connector with a flat-head screwdriver to secure the
connector to the power receptacle (see callout 2 in
Figure2-37 ).
4. Connect the other end of the power cord to a –48 VDC power source or an RPS.
Figure2-37 Connecting the power cord for a PSR560-56D power supply
Verifying the installation
After you complete the installation, verify the following items:
•
There is enough space for heat dissipation around the switch, and the rack or workbench is
stable.
•
The grounding cable is securely connected.
•
The power source is as required by the switch.
•
The power cords are connected correctly.
•
If part of the network cable for a port is routed outdoors, verify that a network port lightning
protector is used for the port.