User's Manual

MC-Series Outdoor Pole Mount Users Guide

998-5005-01 Rev X1

CONFIDENTIAL AND PROPRIETARY

6.4 Replacing a Chassis: ABIC or DRBS

6.4.1 ABIC

1. Power down RadioFrame Networks equipment in the following order using

circuit breakers on the PDU:

• ABIC

• DRBS

• RF Shelf

2. Disconnect cabling from the back of the chassis to be replaced. Refer to

Appendix C (OPM iDEN Microcell Cabinet Stack-Up Configuration).

a. For the ABIC, disconnect the cabling (from the rear of the ABIC only)

listed in Table 6.3. (Table 6.3 is indexed to the cabling figures in

Appendix C (OPM iDEN Microcell Cabinet Stack-Up Configuration).)

Table 6.3 Cables to be Disconnected from the ABIC (shown grayed out)

3. Remove the 4 front mounting screws from the front of the unit (see Figure 6.4).

4. Remove the chassis from the Cabinet, and package it for shipment.

Index Disconnect From To Type

D ABIC: power

PDU: ABIC

power

A ABIC: ground

GND BAR

ground

I-1 ABIC: ERTM PORT 1 ABIC: CRTC 10baseT - ISC UTP

I-2 ABIC: ERTM PORT 2

ABIC: ERTM PORT 4

UTP

B ABIC: CRTC 10base2 - ISC

ISC: 10B2-1

COAX (See Note)

C ABIC: CRTC 10baseT - ISC

ABIC: ERTM PORT 1

UTP (See Note)

H ABIC: ERTM 5MHz/1PPS IN

ISC: SITE REF OUT 1

COAX