Reference Guide for the Model XM128 ISDN Digital Modem
C-8 AT Command Set Reference
TableC-2. ATI3 command out put
Output parameter Output value description
Connect DTE Speed Current online DTE speed
Error Control Level Error control protocol used for current session
Protocol Link Speed Current online DCE speed, line speed
Octets Received Number of data octets received from remote
Octets Sent Number of data octets sent to remote
Cause Verbose disconnection reason for the last session
Cause Value Numerical disconnection reason for the last session
HDLC FCS Error Errors in frame (block) checksum (If there were many FCS
Errors, you may have experienced problems on the line.)
HDLC Transmit Under-run For processor power measurement of the Model XM128 modem
HDLC Receive Over-run For processor power measurement of the Model XM128 modem
TableC-3. Extended AT& command set
Command Options Function and description
&Cn Carrier Detect (CD) options. See also S-register 21.4. For a descriptio n of
Extended S-registers, refer to TableD-4 on page D-5 in AppendixD, “Status
Registers and Result Codes."
&C0 CD is always on. See also S-register S42.7.
&C1 * CD tracks presence of carrier. See also S38.3 and S42.7. For a description
of Extended S-registers, refer to TableD-4 on page D-5 in AppendixD,
“Status Registers and Result Codes."