Figure 5-6 Example Of S Bus Socket Wiring - Siemens Hicom 100 E Service Manual

To switch from external to
internal S operation, cross
0
wires SR & SX in front of the first
socket.
∼
230 V
Backup
supply
The length of the ISDN
terminal's connection cable
must not exceed 10 m.
Maximum ranges:
System
150m (shorter bus)
150m (longer Bus)
Figure 5-6 Example of S
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
System unit
S 1 to S 4
0 0
8
8
TAE plug
6
5
4
3
8
bus socket wiring
0
SR SX
SX SR
7 6 5 4 3 2
1
*
7 6 5 4 3 2 1
7 6 5 4 3 2 1
1 2
20m
Connecting ISDN terminals
Mini-Western
adapter socket
(MW8=8 pole)
SR.1 Receiver 5
SX.1 Sender 3
SX.2 Sender 6
SR.2 Receiver 4
* = Not marked for TA-S
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
3
Installation
stranded
in pairs
0
8
5-11