BRU3 LOGIC AND RADIO SYSTEM
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BRU3 MANUAL, Doc.no: 155 16-ANNA 805 08 Uen, Rev H, 2003-02-07
9
BRU3 Connections
The following table 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 7 “BRU3 external connections.”.
Pos.
Connector
Type of connector
Connection To/From
3
MAINS INLET
IEC
120/230V AC input from
BRU3 site power supply.
1
RX ANT.
TNC
Signals from the receiving
antenna (RX).
2
TX ANT.
ALT.
RX/TX ANT.
TNC
Signals to the transmitting
antenna TX. Signals to/from
the combined RX/TX antenna.
4
P3-TELEPHONE
9p d-sub
Telephone line connection.
5
P5-RS422B
25p d-sub
Connection to MOX via
balanced serial interface
RS422B.
6
P4-RS232C
25p d-sub
Connection to MOX via un-
balanced serial interface
RS232C.
7
P2-ALARM
9p d-sub
Connection used for external
alarm. Defined by the operator.
8
P1-CONSOLE
9p d-sub
Connection used for Console/
NODOP terminal.
