Cisco AS5400XM Посібник з встановлення - Сторінка 15
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Друкувати сторінкуChapter 3
Installing the Cisco AS5400XM Universal Gateway
In a DC power supply installation do not connect the 48 VDC Return to chassis ground at the
Caution
Cisco AS5400XM universal gateway. A single-point ground is recommended at the power distribution
rack.
Strip off 1/4 in. (0.625 cm) of insulation on the safety ground, 48 VDC Return, and –48 VDC input
Step 2
wires.
Insert 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 with one end
Note
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 5.0 in.-lb (0.56 N-m).
Caution
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.
Insert both –48 VDC wires into the terminal block negative connectors (–) and tighten the locking
Step 5
screws. Ensure that no bare wire is exposed.
Secure the power supply cords to the cable strain-relief clamps on the DC power supply with cable ties.
Step 6
(See
After wiring the DC power supply, remove the tape from the circuit breaker switch handle and
Warning
reinstate power by moving the handle of the circuit breaker to the ON position. Statement 8
Power up the Cisco AS5400XM universal gateway.
Step 7
The internal power supply fan should power up.
Where to Go Next
When you power up the Cisco AS5400XM universal gateway for the first time, messages begin to appear
on your console screen. See the Cisco AS5350XM and Cisco AS5400XM Universal Gateways 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:
•
•
•
•
OL-6418-02
Figure
3-15.)
Chapter 4, "Troubleshooting"
Appendix A, "Replacing Memory Components"
Appendix B, "Replacing the Power Supply"
Appendix C, "Cabling Specifications"
Cisco AS5400XM Universal Gateway Chassis Installation Guide
Where to Go Next
3-15