IOS564I

Explanation
The operator entered a command to vary a path online
for one of the following teleprocessing devices: 2701
2702
2703

The device was active, but the system could not validate
the device.

System action
The system does not vary the path online.

Operator response
Wait for I/O activity to the device to complete.
Enter the command again.  

Source
Input/output supervisor (IOS)

Module
IECVIOPM

Routing code
1

Descriptor code
4