2-4 EF-701M INTERFACE
Figure 2-1: Connector Pinout Configurations
12
9
3
10
4
11
5
12
6
13
7
14
8
15
- RS-422 Local Receive
- RS-422 Local Transmit
+ RS-422 Local
Receive
+ RS-422 Local
Transmit
RS-422 Receive Shield
RS-422 Transmit
Shield
4-Wire Audio Input Shield
4-Wire Audio Output Shield
- 4-Wire Audio Input to Party Line
- 4-Wire Audio Output from Party
Line
+ 4-Wire Audio Input to Party Line
+ 4-Wire Audio Output from Party
Line
(Not Used)
+ 30 VDC Power
Intercom Ground
Intercom Line
XLR-F
Jump for TW
Open for C-C
1
3
2
Intercom Line
4-Wire Audio / DataMatrix RJ-45
+ Matrix RS-422 from EF-701M
1 2 3 4 5 6 7
8
- Matrix RS-422 from EF-701M
+ Matrix Audio from Party Line
+ Matrix Audio to Party Line
- Matrix Audio to Party Line
- Matrix Audio from Party Line
+ Matrix RS-422 to EF-701M
- Matrix RS-422 to EF-701M