Rockwell Automation 1203 Serial Communications Module Series B User Manual
Page 16
2–2
Installation
1203–5.5 September 1995
Factory Switch Settings
The following table shows the switch settings that are set at the
factory:
Switch
Setting
Communication Mode
SW3–8
Off
Default application timeout disabled
SW3–7
Off
SW3–6
Off
Duplicate message detection disabled
SW3–5
Off
Datalink D disabled
SW3–4
Off
Datalink C disabled
SW3–3
Off
Datalink B disabled
SW3–2
Off
Datalink A disabled
SW3–1
Off
Logic command/status and
reference/feedback disabled
SW2–8
Off
BCC checksum
SW2–7
Off
Point–to–point
SW2–6
Off
1 stop bit
SW2–5
Off
Even parity (if enabled)
SW2–4
Off
Parity disabled
SW2–3
On
9600 baud
SW2–2
On
SW2–1
Off
SW1–8
Off
Module address = 1
SW1–7
Off
SW1–6
Off
SW1–5
Off
SW1–4
Off
SW1–3
On
SW1–2
Off
RS–232 (DF1 protocol)
SW1–1
Off
These switches can be visually represented as follows:
O
–
8 7 6 5 4 3 2 1
SW3
O
–
8 7 6 5 4 3 2 1
SW2
O
–
8 7 6 5 4 3 2 1
SW1