Reference Information

Conexant AT Commands (Advanced Users Only) (Continued)

Command (Conexant)

+ESA=a,b,c, Controls operation of synchronous access mode: d,e,f,g,h ■ a=0 specifies that in transparent sub-mode, modem

transmits 8-bit SYN sequence on idle.

■b=0 specifies that in framed sub-mode, modem transmits HDLC flags on idle (default and fixed).

■c=0 specifies that in framed sub-mode, modem transmits abort on underrun in middle of frame (default);

■c=1 specifies that in framed sub-mode, modem transmits flag on underrun in middle of frame, notifies DTE.

■d: not to be commanded.

■e=0 specifies CRC generation and checking disabled (default and fixed).

■f=0 specifies NZRI encoding and decoding disabled (default and fixed).

■g=255 sets the octet value used in character-oriented framing.

■h: not to be commanded.

+GCAP

Transmit text listing commands that provide additional modem

 

capabilities.

 

 

+GCI=n

Set country of installation using 8-bit country code from Annex A

 

of T.35.

 

 

+GMI

Report modem manufacturer.

 

 

+GMM

Report modem model.

 

 

+GMR

Report modem version, revision, or date.

 

 

+GOI

Transmit text identifying the device.

 

 

+GSN

Report modem model serial number.

 

 

+IFC=n,m

Set operation of local flow control between DTE and modem.

 

■ n=method DTE uses to control data flow from modem:

 

0=none, 1=XON/XOFF on transmitted data, 2=Circuit 133

 

(Ready for Receiving) (default).

 

■ m=method modem uses to control data flow from DTE:

 

0=none, 1=XON/XOFF on received data, 2=CTS/RTS

 

(default).

Reference Guide

7–5