Siemens Hicom 150 E Office Service Manual page 115

Hicom 150 E Office Rel.1.0 Service Manual - 3.3 Peripheral boards
7 Receiver a-wire
8 Receiver b-wire
Coaxial line (75 ohms)
The BNC sockets X3 and X4 located on the board are used for connecting a coaxial line. The jumpers
on plug connectors X100 to X102 must be switched in accordance with the "Jumper settings" table.
Table 3-34 TS2 contact assignment for coaxial
Contact X3
1 Receiver a-wire Transmitter a-wire
2 Receiver b-wire Transmitter b-wire
Jumper settings
The TS2 interface setting for connection to the NT1 is implemented via jumpers X100 to X102. The
following can be set:
symmetrical lines (120 ohms).it
The cable C39195-A7608-C1 (length = 10 m) is automatically supplied with the TS2 board.
The cable C39195-A7608-C2 (length = 20 m) is available for greater distances.
For problem-free operation, only use the above cables.
coaxial lines (75 ohms).
TS2 X100
interface jumper
120 ohms = 2 - 3
factory setting
75 ohms 1 - 2
S2M trunk connection
Figure 3-45 S trunk connection
2M
The following must be observed when connecting NTs using the cable C39195-A7608-Cx:
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lines
X4
X101 X102
jumper jumper
2 - 3 2 - 3
1 - 2 1 - 2