User's Manual

SC 4812ET – SC 614/SC 614T Companion Frame Installation
– continued
Apr 2001
V0E.02
SC
TM
4812ET RF and Power Cabinet Hardware Installation Manual
DRAFT
161
Table E-2: Removing the Duplexers (RX2, RX4 and RX6) from the SC 614
n ActionStep
6 After removing the three (3) diversity duplexers (RX2, RX4 and RX6), slide the top and bottom
brackets back to their original positions and torque the six (6) M6 nuts to 5 N–m (45 in–lbs)
7 Install six Type N bulkhead connectors to the Main Ground Bar (MGB) in the holes for RX2 IN,
RX2 IN, RX2 IN, RX1 OUT, RX1 OUT, and RX1 OUT (see Figure E-5). Tighten the hex
nuts from the bottom of the MGB to 4 N–m (35 in–lbs).
8 Install a DC block surge arrestor onto the Type–N bulkhead connectors. RX OUT, RX1 OUT,
and RX1 OUT. Torque to 4 N–m (35 in–lbs.).
9 Install the BTS labels TX1/1, TX2/1 and TX3/1 over the TX1/RX1, TX2/RX3 and TX3/RX5
on the top duplexer mounting bracket respectively, and next to each corresponding port on the
outside of the cabinet.
10 If the RFDS is installed, tie wrap the cables disconneted from the RFL + FWD ports of the
duplexers together and to the side at the cabinet.
11 This completes the Duplexer removal from the SC 614.
Figure E-3: I/O Cover
ACCESS
PANEL
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