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Siemens S5-135U/155U User Manual

Page 241

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5-101

System Manual
C79000-G8576-C199-06

When the V.24 submodule is delivered, the jumpers are set as shown in the
following figure. As a rule, you can therefore use the V.24 submodule
immediately.

Backplane Connector

Front Connector

25-Pin Sub. D-Type

J2

J1

J3

J4

Br5

Br6

Br8

Br9

Br7

Figure 5-15

V.24 Submodule: Jumper Settings when Delivered

You can change over the polarity of the transmit and receive data with
jumpers J3 and J5.

1

2

3

J3

Transmit data in normal polarity
Transmit data negated

J5

Receive data in normal polarity
Received data negated

Jumper Settings of
the V.24
Submodule

CPUs, Memory Cards, Memory Submodules, Interface Submodules