Ericsson BRU3 Instructions Manual page 7

OPERATION AND MAINTENANCE, MODULE B1
Pos 2 is used as the antenna connection when a combined RX/TX antenna is
used.
The table below gives a brief description of the BRU3 connections used. The
position numbers found in the "Position" column refer to the corresponding
position numbers in Figure 3.
Pos. Connector
3 MAINS INLET
1 RX ANT.
2 TX ANT.
ALT.
RX/TX ANT.
4 P3-TELEPHONE
5 P5-RS422B
6 P4-RS232C
7 P2-ALARM
8 P1-CONSOLE
BRU3 MANUAL, Doc.no: 1543-ANNA 805 08 Uen Rev H, 2003-06-10
Type of
Connector
IEC 120/230V AC input from the BRU3 site
power supply.
TNC Signals from the receiving antenna (RX).
TNC Signals to the transmitting antenna TX.
Signals to/from the combined RX/TX
antenna.
9p d-sub Telephone line connection.
25p d-sub Connection to MOX via balanced serial
interface RS422B.
25p d-sub Connection to MOX via un-balanced
serial interface RS232C
9p d-sub Connection used for external alarm.
Defined by the operator.
9p d-sub Connection used for Console/ NODOP
terminal.
Connection To/From
7 (60)