Service Manual

GSM-205-423
Decommissioning Horizonmacro indoor
31st Oct 01
Inst. 5–6
Installation & Configuration: Horizon macro indoor
CONTROLLED INTRODUCTION
68P02902W08-B
Removing
CCBs
The removal off CCBs is accomplished in two stages:
 Removing the CCB basket from the stacking bracket.
 Separating CCBs from CCB basket.
Removing CCB basket from stacking bracket
To remove the CCB basket:
1. Remove the stacking bracket front cover by applying gentle pressure to
the outer edges, while easing the cover up and pulling it away from the
bracket.
Figure 5-2 in Removing a stacking bracket shows how to remove the stacking
bracket front cover.
2. Disconnect the power cable to each CCB from the single connector
(marked CCB) on the interface panel.
3. Loosen the three captive screws attaching CCB basket bar to basket and
the two captive screws securing CCB basket bar to the sides of the
stacking bracket. Remove the bar
4. Disconnect the six N-type to N-type RF cables from the CCB inputs and
the feedthrough plates.
5. Slide basket part way out of the stacking bracket, and disconnect
antennas to CCBs.
6. Remove the CCB basket, complete with CCBs, from the stacking bracket.
Separating CCBs from CCB basket
To separate the CCBs from the CCB basket:
1. Place the CCB basket, complete with CCBs, onto a flat surface.
2. Disconnect and remove the phasing lead between CCB control boards.
3. Remove the four M4 screws securing each control board cover, and
remove the CCB control boards.
4. Remove the six screws securing each CCB to the basket, (four M6 screws
on the front and two M8 screws at the back).
5. Remove the CCBs from the basket
6. Place the CCBs, control boards and associated cables in box for storage,
transport or safe disposal and retain the CCB basket to be packaged with
stacking bracket.