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Figure 40 Connecting the RPS power cord to the switch
Connecting the PSR150-A
To connect the PSR150-A:
1. Connect one end of the AC power cord supplied with the power supply to the power receptacle on
the power supply (see callout 1 in Figure 41).
2. Connect the other end of the AC power cord to an AC power outlet.
Figure 41 Connecting the PSR150-A
Connecting the PSR150-D to a –48 VDC power source
To connect the PSR150-D to a –48 VDC power source:
1. Wear an ESD-preventive wrist strap and make sure it makes good skin contact and is well
grounded.
2. Unpack the DC power cord, correctly orient the plug at one end of the cable with the power
receptacle on the power supply, and insert the plug into the power receptacle (see callout 1 in
Figure 42).
3. The power receptacle is foolproof. If you cannot insert the plug into the receptacle, re-orient the
plug rather than use excessive force to push it in.
4. Tighten the screws on the plug with a flat-blade screwdriver to secure the plug in the power
receptacle (see callout 2 in Figure 42).
5. Connect the two wires at the other end of the power cord to a –48 VDC power source. Identify the
positive (+) and negative (-) marks on the two wires to avoid connection mistakes.
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