Siemens Hicom 112 User Manual

Connecting ISDN terminal
s
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
5-11
Installation
Figure 5-6 Example of S
0
bus socket wiring
Mini-Western
adapter socket
(MW8=8 pole)
SR.1 Receiver 5
SX.1 Sender 3
SX.2 Sender 6
SR.2 Receiver 4
stranded
in pairs
The length of the ISDN
terminal’s connection cable
must not exceed 10 m.
To switch from external to
internal S
0
operation, cross
wires SR & SX in front of the first
socket.
TAE plug
Backup
supply
230 V
∼
1st Mini-Western plug
(MW8 = 8 pole)
2nd to 8th Mini-Western
sockets
(MW8=8 pole)
100
Ω
/0.25 W
Terminating resistor in the last
socket
System unit
S
0
1 to S
0
4
* = Not marked for TA-S
0
Maximum ranges:
*
8
1
765432
SX
SX SR
SR
8
1
765432
8
1
765432
6
4
5
3
System 3
12
8
150m (shorter bus)
150m (longer Bus)
20m

Siemens Hicom 112 Specifications

General

Brand	Siemens
Model	Hicom 112
Category	Telephone
Language	English