Insys MoRoS ISDN 1.1.1 11-02-06-02-01.005 Manuale Utente
Codici prodotto
11-02-06-02-01.005
Technical Data
MoRoS Modem/ISDN
44
June 06
10.6 Interface Communication Module
Phone interface (only for MoRoS Modem).
Layout of the RJ12 Connector and the RJ45 Jack
Pin
Description
Pin
Description
1 NC
(alarm)
4
b1
2 a2
5
b2
3 b1
6 NC
(ground)
Meaning of the Signals:
a1, b1: Incoming phone lines (e.g. exchange connection or PBX)
a2, b2: they are used to connect a telephone in series. In idle state, a2
a1, b1: Incoming phone lines (e.g. exchange connection or PBX)
a2, b2: they are used to connect a telephone in series. In idle state, a2
and b2 are connected with a1 and b1 via a loop current
connector. a2 and b2 are disconnected as soon as the modem
occupies the line.
connector. a2 and b2 are disconnected as soon as the modem
occupies the line.
RJ 12 plug with nose
pointing backwards
pointing backwards
RJ 12 plug front view
E W
b2 b1
b2 b1
a2 a1