Manual Part 5

CD U-J
4.2 RX Part Description
A CDU-J consists of two identical RX chains – the middle part in the Figure 1
on page 4. The RX part consists of a filter and a low noise amplifier (LNA). The
receiver filter is included in the duplex filter.
The CDU-J has lower RX amplif ication than CDU-G. The CDU-J is used in
RBSs without a Configuration Swi tch Unit (CXU).
5 Interf aces
The external interfaces of CDU-J are l isted in the table below.
Table 3 Interfaces on CDU-J
Interface Type of Connector
TX/RX1, TX/RX2 7-16 female
RX1, RX2 QMA female
TX1, TX2 TNC female
CDU bus 15-pin male, D-sub
DC in 2-pin male Molex Mini-Fit
The CDU-J has the following indicators on t he front panel.
5 (6)
EN/LZT 720 0469 Uen R1A