User's Manual

Chapter 3 29
Using HDLC.FRAME Protocol
Status and Error Messages
Other Non-E1/T1 interfaces
The following unsolicited status codes may be received by an application
program from the HDLC.FRAME protocol on a non-E1/T1 interface.
IO_ALRDY_DSBL A disable request is received, while HDLC.FRAME is
already disabled. No action is taken.
IO_RX_BUF Either the port or the card as a whole is running low on
free buffers. Some tuning of the ACC configurable
parameters may be required. Refer to the section on
“TTGEN” in the ACC Utilities Reference Guide.
Table 3-3 Z7340A Interface Unsolicited Status Codes
Unsolicited
Status Code
Description
Table 3-4 Other Non-E1/T1 Interface Unsolicited Status Codes
Unsolicited
Status Code
Description
IO_OK No error detected.
Normal communications have been established or
resumed.
ST25DSBL Terminal Disabled
ST25XDCD Loss of DCD signal
ST25XCTS Loss of CTS signal
IO_STATS This message is sent in response to a
CW_STATS
control
write. The data buffer contains a
x25l2stat_type
structure (defined in
zcomx25.h
)