Motorola SC 4812ET RF Hardware Installation Manual page 160

SC 4812ET – SC 614/SC 614T Companion Frame Installation
– continued
Figure E-2: Double–D Hole Punch (Refer to Motorola Part Number #CGDS50748149)
E
n Step
1 Loosen the three (3) nuts that hold the I/O cover in place at the bottom of the BTS. Remove the
access panel by sliding it up towards the ACLC and out of the BTS.
NOTE
The access panel is a two–piece panel; remove the left side first.
2 Disconnect the RF jumper cable (Type–N connector) from the bottom of the three duplexers
(RX2, RX4, and RX6).
3 If the RFDS is installed, disconnect the two (2) SMA connectors from the RFL & FWD ports on
the lower front of the duplexers (RX2, RX4, and RX6).
4 Disconnect Type N connector from RX port on top of the duplexers (RX2, RX4, & RX6).
5 Using a 10 mm nut driver, loosen six (6) M6 nuts that retain the bottom and top brackets that hold
the duplexers. Slide the bottom and the top brackets forward and up, respectively, and carefully
remove the deplexers.
NOTE
The duplexers are grounded to the Main Ground Bus with two (2) ground pins. Carefully lift the
duplexers straight up until the these pins clear the MGB.
160
Removal Duplexers from the SC 614
Table E-2 details the removal of three duplexers from the SC 614.
Table E-2: Removing the Duplexers (RX2, RX4 and RX6) from the SC 614
SC 4812ET RF and Power Cabinet Hardware Installation Manual
TM
CAUTION
Care should be taken not to punch extra holes in the side
wall of the BTS. Extra holes will compromise the weather
sealed nature of the SC 614T BTS Cabinet.
SHAFT NUT BEARING
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OUTSIDE OF BTS
Action
DRAFT
DIE PUNCH
INSIDE OF BTS
BTS WALL WITH
11 MM (7/16")
PILOT HOLE
. . . continued on next page
NUT
Apr 2001
V0E.02