ZyXEL Communications U-336SA user manual Field Description

Status Report Result Codes

When the U-336S/SA is in fax mode, each ATD or ATA command will make the modem try to establish a fax connection. Your modem will send a status report result code back to the DTE (computer).

NO DIAL TONE	Tried to dial but no dial tone is detected.
NO CARRIER	Handshake fails or no carrier is detected or time-
	out.
BUSY	Other party's phone line is busy.
NO ANSWER	Quiet answer is not detected before time-out.
CONNECT FAX	See below.

When a fax connection is successfully established, the modem returns this message:

CONNECT FAX/SnnnnVnTnRnLnCnP<string>

This message includes the connection speed and the fax parameters explained in the table below.

Field	Description
Snnnn	Fax connection speed; nnnn is a 4-digit number
	representing the connection speed. nnnn =1440, 1200,
	9600, 7200, etc., 1440 and 1200 stand for 14400
	and 12000.
Vn	Vertical resolution; n = 0 or 1.
Tn	Coding scheme; n = 0 or 1.
Rn	Recording width; n = 0, 1, or 2.
Ln	Recording length; n = 0, 1, or 2.
Cn	Scan line time; n = 0 to 7.
P<string>	Remote fax number.

84 Fax Operation