AT&T 2400 User Manual
Page 48
4-6
Issue 2 December 1995
Hardware Installation
NOTE
:
Recommended Default Settings:
■
If you use port 0, configure switches 01 and 02. If you use
port 1, configure switches 11 and 12.
■
Standard switch settings for SW01 or SW11 are 1 ON, 2 OFF,
3 ON, 4 OFF, 5 OFF, 6 OFF, 7 ON, and 8 ON.
■
Standard switch settings for SW02 or SW12 are 1 ON, 2 ON,
3 ON, 4 ON, 5 ON, 6 ON, 7 ON, and 8 OFF.
3. Connect one end of a 25-pair cable to the MCI I/O port on the switch.
To create the cable, refer to Table 4-4 for the correct cable pinouts.
Table 4-3.
MCI I/O Port DIP-Switch SW02 or SW12 Settings for Switches 1
through 8
Switch
Number
Setting
Function
1
ON
When PB lead is - terminal is busy
OFF
When PB lead is + terminal is busy
2
ON
DTR signal is always ON
OFF
DTR signal is controlled by the CPU
3
ON
DSR signal is not provided
OFF
DSR signal is provided
4
ON
CD is not provided
OFF
CD is provided
5
ON
CS is not provided
OFF
CS is provided
6
ON
CI is not provided
OFF
CI is provided
7
ON
PB signal is not provided
OFF
PB signal is provided
8
OFF
Not used