Cisco AS5400HPX Installation Manual page 69

Appendix A Replacing Memory Components
Reconnect the two AC power cords to the power supply. Or, if using DC power, refer to
Step 7
and then complete steps a through d.
The illustration shows the DC power supply terminal block. Wire the DC power supply
Warning
using the appropriate wire terminations at the wiring end, as illustrated. The proper
wiring sequence is ground to ground, return to return, and negative to negative. Note that
the ground wire should always be connected first and disconnected last. To see
translations of the warnings that appear in this publication, refer to the Regulatory
Compliance and Safety Information document that accompanied this device.
Figure A-13 DC Power Supply Connections
On/off
switch
Mounting
screw
Do not overtorque the terminal block contact screws. The recommended torque is
Caution
5.0 in.-lb (0.56 N-m).
Insert the safety ground (green wires) into the terminal block ground connectors and tighten the
a.
locking screws. Ensure that no bare wire is exposed.
Insert the 48 VDC wires into the terminal block positive connectors (+) and tighten the locking
b.
screws. Ensure that no bare wire is exposed.
Insert the -48 VDC wires into the terminal block negative connectors (-) and tighten the locking
c.
screws. Ensure that no bare wire is exposed.
Make sure the power supply cords are secured to the cable strain-relief clamps on the DC power
d.
supply with cable ties.
After wiring the DC power supply, remove the tape from the circuit breaker switch
Warning
handle and reinstate power by moving the handle of the circuit breaker to the ON
position. To see translations of the warnings that appear in this publication, refer to the
Regulatory Compliance and Safety Information document that accompanied this device.
OL-2847-02 0A
Mounting screw
Strain-relief
clamps
IN OK
DC OK
LEDs
OTF
IN OK
DC OK
LEDs
OTF
Strain-relief
clamps
Mounting screw
Terminal
block
Terminal
block
Cisco AS5400 Universal Gateway Chassis Installation Guide
Replacing the Chassis Cover
Figure A-13,
A-15