AT&T IPC-1600 User Manual page 110

The following table shows the switch settings for the range of possible
I/O port addresses.
DS1 INPUT/OUTPUT PORT ADDRESS SETTINGS
(See Figure A-3)
ADDRESS
(Hexadecimal)
(Disabled) OFF
1 0 0 * OFF
110 OFF
120 OFF
200
ON
220
ON
300 ON
ON
320
* Default (factory) I/O port address
HARDWARE PARAMETER SETTINGS
DS1 Switch Settings—I/O Port Address
SWITCH POSITIONS
10
11
OFF
OFF
ON
ON
OFF
OFF
ON
ON
9
OFF
ON
OFF
ON
OFF
ON
OFF
ON
A-9