OTE VS 2001 - Tab. 3.4: DB37 Connector Pin out

VS 2001
Technical Handbook
Installation
Page 70 Marconi Proprietary information
P/N: 779-0373/02
Revision 02
Tab. 3.4: DB37 connector pin out
Pin Function
1 GND – POWER
2 NOT USED
3 NOT USED
4 LOUD SPEAKER LOOP-BACK
5 NOT USED
6 ALT – A
7 NOT USED
8 NOT USED
9 VBATT_INT
10 NOT USED
11 NOT USED
12 NOT USED
13 ACC – SP
14 RXD PEI 232
15 NOT USED
16 TXD PEI 232
17 NOT USED
18 NOT USED
19 NOT USED
20 NOT USED
21 NOT USED
22 NOT USED
23 NOT USED
24 ALT – B
25 MIC – R
26 ALARM
27 MIC LOOP – BACK
28 VBATT – INT
29 NOT USED
30 NOT USED
31 232 DATA FROM FPG1/A
32 GND OPTO
33 PTT – MANUAL
34 232 DATA TO FPG1/A
35 HEAD PHONE
36 NOT USED
37 GND POWER
The 9-pin PEI connector, as well as the J1 front connector, provides the
connection of an external PC.