3.8.5.2 ISDN So interface
bintec R4100 has an additional ISDN-So interface, which can be used for back-up func-
tions, for example.
The connection is made via an RJ45 socket:
Fig. 48: ISDN So BRI interface (RJ45 socket)
The pin assignment for the ISDN So BRI interface (RJ45 socket) is as follows:
RJ45 socket for ISDN connection
Pin
Function
1
Not used
2
Not used
3
Transmit (+)
4
Receive (+)
5
Receive (-)
6
Transmit (-)
7
Not used
8
Not used
3.8.5.3 ISDN-PRI interface
Both of the ISDN PRI interfaces are connected via an RJ45 plug. The cable supplied con-
nects the RJ45 plug needed for the device to an RJ45 plug needed for the PRI connection.
The following pins are used for the connection:
Fig. 49: ISDN PRI interface (RJ45 socket)
3 Technical data
Funkwerk Enterprise Communications GmbH
88
bintec R1xxx/R3xxx/R4xxx
