Serial Connector - IBM Personal System/2 CL57 SX Hardware Maintenance Reference

1.2.5 Serial Connector

The serial connector is fully programmable and is capable of asynchronous
communications at a maximum speed of 19.2 kb/s.
connector provides the signals to drive a standard EIA-232D device.
connected device is identified by the system configuration as either
SERIAL_1 or SERIAL_2.
If an optional communication slot with a serial adapter is installed, the
device address must be different from the primary one.
Note: Conflicts occur when two or more devices have the same address.
Use the Set configuration from the system utility programs stored
on the hard disk.
ports have the same address.
IBM PS/2 Model CL57 SX HMR
Serial Connector
Select View configuration to verify that no
_ Copyright IBM Corp. 1991
1.2.5 - 1
The 9-pin D-shell
The