Description of ati2 output, The link status report output appears as follows – ZyXEL Communications Omni 288S User Manual
Page 101

Chapter 11 - AT Command Set Summaries
11-3
Description of ATI2 Output:
The Link Status Report output appears as follows:
ZyXEL MODEMS LINK STATUS REPORT
Chars Sent
0
Chars Received
0
Octets Sent
0
Octets Received
0
Blocks Sent
0
Blocks Received
0
Blocks Resent
0
Max Outstanding
0
Max Block Size
0
Retrains Requested
0
Link Duration
0
Retrains Granted
0
FRN Requested
0
FRN Granted
0
FCS Errors
0
Round Trip Delay
0
Xmitter Underrun
0
Receiver Overrun
0
Last Speed/Protocol 14400
Disconnect Reason Local hang up
Data Type
Description
Chars
Data received from or sent to DTE (PC). (Formatted as 7,E,1 or
7,O,1 or 8,N,1 etc.)
Octets
Data received from or sent to remote modem in error control mode.
(Compressed if data compression was enabled.)
Block
Framed Octets. (Delimited by the unique bit pattern "01111110"
known as a flag.)
Output Parameter
Output Value Description
Chars Sent
Number of characters DTE has sent to modem
Chars Received
Number of characters modem has sent to DTE
Octets Sent
Number of data bytes sent to remote modem
Octets Received
Number of data bytes received from remote modem
Blocks Sent
Number of data blocks sent to remote modem
Blocks Received
Number of data blocks received from remote modem
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 Un-derrun
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)