Service Manual

GSM-205-323
Empty cabinet and SURF harness
31st Oct 01
Tech. 2–4
Technical Description: Horizon
macro
indoor
CONTROLLED INTRODUCTION
68P02902W07-B
Empty cabinet and SURF harness
SURF harness
and cabinet
attachment
The SURF harness is fitted on the back wall of the cabinet, as shown in
Figure 2-3. The chassis of the SURF harness supports the SURF module.
The SURF harness provides:
Three connectors to the SURF, for RF and power.
One RF connector to each CTU, consisting of three inputs, one each for
RxA, RxB and RF loopback test, as shown in Figure 2-4. The RF
connectors are free floating to ensure fitting of CTU modules.
One connector to the backplane, for power from the PSMs.
Cabinet view
with installed
SURF harness
Figure 2-3 shows the SURF harness installed in an empty cabinet, with, for
clarity, SURF harness cables not shown.
ig.232.rh
SURF HARNESS
EARTH CABLE FOR
MAIN CAGE
Figure 2-3 SURF harness installed in empty cabinet.