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4. Description CMC-TC ISDN unit 7320.830 – rear
1
The provided RJ12/RJ12 connecting lead connects the ISDN unit to this RJ12 socket (RS-232
interface) on the processing unit. This connecting lead functions as the 24 V DC supply and
transfers data to and from the processing unit.
2
The RJ45 ISDN socket is designed for connection to an ISDN socket.
3
The 24 V DC voltage connector is designed for future developments of the CMC-TC system
and is not needed for running the processing unit.
5. Specifications:
Max power consumption: 80 mA
Max connecting lead length: 4 m (processing unit to ISDN unit)
Rated voltage 24 V DC with supply link from the processing unit
Shock resistance 1 g
Operating temperature range: +5 °C to +45 °C
Protection category: IP 40
ISDN socket: DSS1 (Euro ISDN), multi-point interface
24 VDC
max. 80mA
ISDN
IOIOI
1
2
3
