IEC804A lna CONTROL UNIT NOT OPERATIONAL REPLY CONT OR POST --or-- lna DEVICE NOT OPERATIONAL REPLY CONT POST OR DROP
Explanation
A not operational SIO condition occurred in a line during BTAM processing. In the message text, lna is the line address.
In
the message text:
- lna
- The hexadecimal line address.
Operator response
Make sure the control unit is operational.
Enter one of the following replies:
- REPLY xx,‘CONT’. The system retries the condition. If the retry is successful, processing continues. If the retry is not successful, If CONTROL UNIT NOT OPERATIONAL appears in the message text, this message is issued again.
- REPLY xx,‘POST’. The operation is posted complete with error. The not-operational SIO bit will be on in the DECERRST field of the (DECB) data event control block.
- REPLY xx,‘DROP’. The DROP reply discontinues issuance of messages for the duration of open processing.
If a reply is not entered before the requesting job is canceled, the system may enter wait state. If the problem recurs, contact your hardware support personnel.
Source
Basic telecommunications access method (BTAM)