Sense code 0818

Link procedure in process: CONTACT, DISCONTACT, IPL, or other link procedure in progress when a conflicting request was received.

Bytes 2 and 3 following the sense code contain sense-code-specific information.
0000
No specific code applies.
0001
Set aside for implementation-specific use, and will not be otherwise defined in SNA; see implementation documentation for details of usage.

VTAM® hint: This sense code can be displayed in a VTAM message, but is set by another product. It might be an NCP sense code. See NCP V7R8, SSP V4R8, EP R14 Messages and Codes for a complete description.

0002
Set aside for implementation-specific use, and will not be otherwise defined in SNA; see implementation documentation for details of usage.

VTAM hint: This sense code can be displayed in a VTAM message, but is set by another product. It might be an NCP sense code. See NCP V7R8, SSP V4R8, EP R14 Messages and Codes for a complete description.

0003
CONTACT not serialized, retry: An initial CONTACT procedure is in progress and a nonactivation CONTACT was received by the PU. The nonactivation CONTACT is rejected until the initial CONTACT procedure is completed.
0004
Set aside for implementation-specific use, and will not be otherwise defined in SNA; see implementation documentation for details of usage.

VTAM hint: This sense code can be displayed in a VTAM message, but is set by another product. It might be an NCP sense code. See NCP V7R8, SSP V4R8, EP R14 Messages and Codes for a complete description.

0005
Link problem determination test for a modem in progress.
0006
On-line terminal test in progress.
0007
SDLC link test, Level 2, in progress.
0009
The requested test was not initiated because another test was already in progress.
000A
An online terminal test (OLTT) is active on the service link.
000B
SDLC link test, Level 2, in progress on the service link.
000C
Link problem determination test for a modem on the service link in progress.