Specifications

Description
2.5 Connectors
The plug-in screw terminals are numbered 1 – 32.
Interfacing BU70 Display Units and BU100/BU101 Panels, AutroSafe Interactive Fire-Alarm System,
116-P-BSL337/EE, Rev. D, 2007-01-25,
Autronica Fire and Security AS
Page 9
Terminal
Function
Terminal
Function
1 NC 17 NC
2 NC 18 NC
3 NC 19 NC
4 NC 20 NC
5 NC 21 Service port, Tx. RS-232
6 NC 22 Service port, Rx. RS-232
7 NC 23 Service port, Signal reference,
RS-232
8 NC 24 NC
9 NC 25 TX, RS-232, Port 0
10 NC 26 RX, RS-232, Port 0
11 NC 27 Signal Reference, Port 0
12 NC 28 Instrument Earth, Port 0
13 TX, RS-232, Port 1 29 +24V DC Input
14 RX, RS-232, Port 1 30 0V DC Input
15 Signal Reference Port 1 31 Instrument Earth, common
16 Instrument Earth Port 1 32 Protective Earth, common
* Additional service port connection on 3-pin plug connector by use of
service cable XJA-029
Connection 1–8
Connection 9–16
Connection 17–24
Connection 25–32
1
45 8
9
12
13
16