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Figure 43 Connecting the PSR300-12A power supply
Connecting the PSR300-12D1/PSR300-12D2 power supply to
a –48 VDC power source
1.
Verify that the DC power supply is off.
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 receptacle (see callout 1 in
If you cannot insert the plug into the receptacle, re-orient the plug rather than use excessive force
to push it in.
3.
Tighten the screws on the plug with a flat-blade screwdriver to secure the plug in the power
receptacle (see callout 2 in
4.
Connect the two wires at the other end of the power cord to the –48 VDC power source.
Identify the positive (+) and negative (-) marks on the two wires to avoid connection mistakes.
Figure 44 Connecting the PSR300-12D1 power supply
Figure
44).
2
2
1
33
Figure
44).
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