gtpn1m0mNon-SNA Data Communications Reference

Internally Activated Processes

Error Processing

The CCP will activate appropriate error routines per line type when errors are detected on the lines.

Line Fallback and Recovery

(03-CVQS) Error Messages For Communication Lines

This program is activated on the initial error but not on subsequent retries for that error.

(03-CVPY) Housekeep Line Controls

This program is activated for all lines except synchronous link lines when the line error is serious enough to turn the line down (invalidate the line).

(03-CML6) Synchronous Link Control Line Invalidation

This program is activated when the line error is serious enough to turn the line down (invalidate the line).

(03-CVMK) Error Message For Communications Control Units

This program is activated to send a message when an error is attributed to a control unit.

(03-CVKM) Console Fallback

When the 1052 or 3270 local as prime CRAS becomes inoperative, this program is activated in an attempt to switch the prime CRAS set.