Front Panel Connector - Allen-Bradley Rockwell Automation 857 User Manual

9-10
Connections
857-UM001A-EN-P – July 2009
S1
Figure 9.10 – Fiber− Module's dip-switches

Front Panel Connector

Figure 9.11 – Pin Numbering of the Front Panel D9S Connector
Table 9.4 – RS-232 Signals
Pin
1 Not connected
2 Rx in
3 Tx out
4 DTR out (+8 V)
5 GND
6 DSR in (activates this port and disables the X4 RS232 port)
7 RTS in (Internally connected to pin 8)
8 CTS out (Internally connected to pin 7)
9 No connected
NOTE: DSR must be connected to DTR to activate the front panel
connector and disable the rear panel X4 RS232 port. (The other port
in the same X4 connector will not be disabled.)
S1:1 Echo OFF
S1:2 IDLE light ON
S1:3,5 REMOTE ON
S1:4,6 LOCAL OFF
S1
ON
1 2 3
OFF
S1:1 Echo ON
S1:2 IDLE light OFF
S1:3,5 REMOTE OFF
S1:4,6 LOCAL ON
S1
ON
1 2 3
OFF
RS-232 signal
4 5 6
4 5 6