Gateway To Cmx / Cf9003 Connection - Siemens Cerberus GW-21 Technical Manual

Siemens Building Technologies
Cerberus Division
12.6

Gateway to CMX / CF9003 connection

The cable that links the gateway to the CMX IC-2 communication interface must be as
shown in Fig. 30 and Fig. 31.
To IC-2
To terminal no. 3 RS 232 RX
To terminal no. 4 RS 232 TX
To terminal no. 5 RS 232 GND
Fig. 30 GW-21 to CMX link (UARTs 1 and 2)
To IC-2
RX 2
TX 3
GND 5
Fig. 31 GW-21 to CMX link (screw terminal block)
Male co nnect or
UARTs 1 and 2
GW-21
1 1 32 31 TX
4 4 34 33 RX
2 2 36 35 GND
35
E1481b
06.2000