Siemens Simatic PG 740 - Page 55

4
4-7
Programming Device PG 740
C79000-G7076-C742-01
Change the switch position as shown in Fig. 4-4:
passive active
OFF
Settings must not
be changed.
TTY-send
TTY-receive
ON OFF ON
2
1
2
1
Figure 4-4 Switching the TTY Port to Actve / Passive with the S1 Switch
Switch Position
PG 740 Expansions