Where To Go Next; Chapter 4 Troubleshooting - Cisco AS5400HPX Installation Manual

Where to Go Next

In a DC power supply installation do not connect the 48 VDC Return to chassis ground at
Caution
the Cisco AS5400. A single-point ground is recommended at the power distribution rack.
Strip off a quarter of an inch (1/4 in. [0.625 cm]) of insulation on the safety ground, 48 VDC Return, and
Step 2
-48 VDC input wires.
Install the safety grounds (green wire) into the terminal block ground connectors and tighten the locking
Step 3
screws. Ensure that no bare wire is exposed.
For central office installations, we recommend using a copper 6 AWG green ground wire
Note
with one end connected to reliable earth. The other end of the wire should be crimped onto
the double-hole lug provided in the installation pack. The lug should be secured to the
mating holes on either side of the chassis with the two screws included in the accessory
pack.
Do not overtorque the terminal block contact screws. The recommended torque is
Caution
5.0 in.-lb (0.56 N-m).
Insert both 48 VDC Return wires into the terminal block positive connectors (+) and tighten the locking
Step 4
screws. Ensure that no bare wire is exposed.
Step 5 Insert both -48 VDC wires into the terminal block negative connectors (-) and tighten the locking screws.
Ensure that no bare wire is exposed.
Step 6 Secure the power supply cords to the cable strain-relief clamps on the DC power supply with cable ties.
(See
Warning After wiring the DC power supply, remove the tape from the circuit breaker switch
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 the publication, refer to the
Regulatory Compliance and Safety Information document that accompanied this device.
Step 7 Power ON the universal gateway.
The internal power supply fan should power on.

Where to Go Next

When you power ON the universal gateway for the first time, messages will begin to appear on your
console screen. Refer to the Cisco AS5350 and Cisco AS5400 Universal Gateway Software
Configuration Guide for configuration instructions. The remaining chapters and appendixes of this guide
include reference material for replacing spare parts, troubleshooting, and creating your own cables:
•
•
•
Cisco AS5400 Universal Gateway Chassis Installation Guide
3-16
Figure 3-15.)
Chapter 4 "Troubleshooting"
Appendix A "Replacing Memory Components"
Appendix B "Replacing the Power Supply"
Chapter 3 Installing the Cisco AS5400 and Cisco AS5400HPX Universal Gateways
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