ZyXEL Communications U-336SA User Manual
Page 107
AT Command Set Summaries 93
Output
Parameter
Output Value Description
Blocks Resent
Number of blocks resent due to remote modem
request. (If there were many blocks resent, you
may have experienced line trouble or protocol
incompatibility.)
Max Outstanding Maximum blocks received without
acknowledgment by remote modem.
Max Block Size
Maximum octets contain in a block
Retrains
Requested
The number of times local modem requested
retrain.
Link Duration
Total link duration time (in minutes).
Retrains Granted The number of times remote modem requested
retrain.
T401 Time-outs For protocol maintenance, modem probably
recovered.
T402 Time-outs For protocol maintenance, modem probably
recovered.
FCS Errors
Errors in frame (block) checksum. (If there were
many FCS Errors, you may have experienced
problems on the line.)
Round Trip
Delay
Time (Units 1/2400 sec.)
Xmitter Underrun For modem's processor power measurement.
Receiver
Overrun
For modem's processor power measurement.
Disconnect
Reason
Local Hang-up
Remote Hang-up
Carrier Lost
On-Line (Not
disconnected)
Resent Expiration
Protocol Error