DFS817A NOP ISSUED TO 7770-3 LINE `aaa`. CONTROL IS NOT OPERATIONAL. REPLY 'POST' OR 'RETRY'.

Explanation
 The 7770 control unit with line address aaa is
offline.

System action
 Waits for reply.

Operator responseReplies can be uppercase or lowercase. A reply
of POST causes the line to be posted unusable.
If the operation is to be retried, place the control unit online before
replying RETRY. A reply of RETRY causes
the operation to be retried.

Module
DFSIIO30

DFS817A NOP ISSUED TO 7770-3 LINE aaa. CONTROL IS NOT OPERATIONAL. REPLY 'POST' OR 'RETRY'.

Explanation

System action

Operator response

Module

DFS817A NOP ISSUED TO 7770-3 LINE `aaa`. CONTROL IS NOT OPERATIONAL. REPLY 'POST' OR 'RETRY'.