ACC HDLC-NRM (SDLC) User's Guide

Using HDLC-NRM (SDLC) Protocols
Status and Error Messages
Chapter 3 41
IO_POLL
(13)
Host has stopped polling.
For a secondary station, a poll has not been
received for the duration of the configured poll
timer.
IO_LNK_DSC
(22)
Link disconnected.
The link has been disconnected, either by the
transmission or receiving of a DISC command.
IO_LNK_RST
(23)
Link reset.
In Loop mode, indicates that an RIM frame
was received from the secondary station,
resetting the link.
ST25TXFR
(69)
†
Frame reject transmitted.
A command/response reject condition was
detected by this secondary station causing it to
send a FRMR frame.
ST25RXFR
(70)
†
Frame reject received.
A frame reject response has been received by
this primary station. (Reason code is from
received frame.)
Table 3-2 Unsolicited Status Codes (Continued)
Unsolicited Status
Code Value
Description