Allen-Bradley Bulletin 1203 Series User Manual page 12

1–4 Product Description
1203–5.5 September 1995
Figure 1.2
Enclosed Style Serial-to-SCANport Communications Module
SCANport
connector
Serial channel
D-shell connector
Power
connection
Diagnostic
LEDs
TX
Serial Status
1. LED off: adapter power removed
2. LED flashing green: link OK, off–line
3. LED solid green: link OK, on–line
4. LED flashing red: was on–line, now off–line
5. LED solid red: fault
Switch SW3
– Logic command/status and
reference/feedback
– Datalink A, B, C, D settings
– Application timeout
Default value
– Duplicate message detection
8
O
RX
SCANport Status
1. LED off: adapter power removed
2. LED flashing green: link OK, not connected
3. LED solid green: link OK, connected
4. LED flashing red: was connected, now not connected
5. LED solid red: fault
Switch SW2
– Baud rate selection
– Parity enable
– Parity sense (even/odd)
– Stop bits
– Point-to-point/multi-drop
– CRC/BCC check
SW3 1 8 SW2 1 8 SW1
Bottom View
Switch SW1
– Protocol select
– Adapter address
1
O
AB0415B