Table of Contents
Advertisement
34
Siemens Building Technologies
Cerberus Division
12.5
Gateway to subsystem connection
Each connector of the Subsystem Pad is used for one serial ports and to the connector
is linked only one subsystem of any type (Fig. 28 and Fig. 29).
To CSxx modem
terminal block
2 - RX
4 - TX
3 - SIGNAL
GROUND
Fig. 28 GW-21 to CSxx subsystem (UARTs 1 and 2)
To CSxx modem
terminal block
RX
2
TX
4
GND
3
Fig. 29 GW-21 to CSxx subsystem (screw terminal block)
Male connector
UARTs 1 and 2
GW-21
1 1 32 31
TX
4 4 34 33
RX
2 2 36 35
GND
E1481b
06.2000
Advertisement
Table of Contents
