Description
2.4 Connectors
The plug-in screw terminals are numbered 1 – 32.
Interfacing Voyage Data Recorder Systems, AutroSafe Interactive Fire-Alarm System, 116-P-BSL336/EE, RevA 2007-01-25,
Autronica Fire and Security AS
Page 7
Terminal
Function
Terminal
Function
1 NC
17 RX, RS-422_A+, Port 0
2 NC
18 RX, RS-422_B-, Port 0
3 NC
19 TX, RS-422_X+, Port 0
4 NC
20 TX, RS-422_Z-, Port 0
5 NC
21 TX, RS-232, Service Port*
6 NC
22 RX, RS-232, Service Port*
7 NC
23 RS-232, Signal Reference
Service Port*
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
4
5
8
9
12 13
16