• If the bus starts directly with connection of the system.
Technical data, S0 interfaces
TE (External S0 interface):
Protocol DSS1, point-to-multipoint or point-to-point connection.
NT (Internal S0 interface):
Protocol DSS1, point-to-multipoint connection.
Maximum supply:
2.5W
Interfaces
S0 supply ca. 37.5 V-.
Channel structure:
B+B+D.
Line lengths:
for a 0.6 mm diameter
Short passive bus:
max. 120 metres (for network line CAT.5, up to 180 metres).
Technical data, Upn interfaces
Upn line lengths:
0.6 mm
Wire diameter
1,000 metres.
Maximum supply:
2.5 W.
Technical data, analogue interfaces (FXS)
Supply:
symmetrical, 18 mA on 200 - 600 Ohm.
Max. line lengths to the
analogue terminals on con-
nection with installation line:
1 km
Dialling method:
Multifrequency dialling or impulse dialling.
Multifrequency dialling:
Character duration:
40 ms and 100 ms.
Pause duration:
80 ms.
Tone recognition:
-10 dBm … 0 dBm.
Flash recognition
Adjustable, 100...1,000 ms.
Feeding voltage:
37.5 V
Call voltage:
Ueff >38 V~.
Call frequency:
25/50 Hz ± 8%, switchable.
Module Connection (MC)
M 4 S/U + 6 FXS
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