Installation Instructions

T asks 8 -9: Connecting TX/RX Antennas Chapter 2: UBS Macro B T S Installation Procedure
Procedure 2 -6 Procedure for T asks 8 -9 (Continued)
2
Connect each antenna cable to the corresponding IDRF type N connector .
Refer to Figure 2-1 or Figure 2-2 , whichever is applicable, for the location of
the UBS Macro BTS antenna connectors on the top of the IDRF . Using a 19
mm open–end hex wrench, tighten the cable connectors to 4.3 N-m (38 in-lb).
The IDRFs are not labeled for a sector . T o determine the sector
for each IDRF , look at the color code of the XMI TX and RX cables
connected to the bottom of the IDFR. Refer to T able 2-2 for the
mapping of the cable color to the sector (Red = sector 1, Blue =
sector 2, Y ellow = sector 3). The sectors can also be determined
by tracing those XMI cables back to the XMI TX and RX ports,
which are labeled as TX1 and RX1 for sector 1, TX2 and RX2 for
sector 2, and TX3 and RX3 for sector 3.
3
Connect customer supplied 0.25 W , 50 Ohm, SMA-type terminators to any
unused directional coupler port connectors on the top of the IDRFs.
4
F or any unused TX/RX connector on an IDRF , install a 50 W N-type
terminator (customer supplied).
2 -48 68P09283A62 -2
PRELIMINARY A UG 2007