User`s manual

74 AT Command Set Summaries
Output
Parameter
Output Value Description
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
Break Time-out DTR Dropped
Carrier Lost 1 (No
handshaking
response)
Carrier Lost 2 (Remote
hang-up, busy tone)
Keyboard Abort