Class 1 command set – ZyXEL Communications U-336SA User Manual
Page 81

Fax Operation 67
Several revisions of the class 2 standard exist. Implementations
conforming to different revisions may not work together. A formally
approved version is the Class 2.0 command set, also called the TIA-
592 standard.
Class 1 Command Set
Command
Value Description
+FCLASS=n
Service class selection
n=0
Set to Data mode
n=1
Set to Class 1 mode
n=2
Set to Class 2 mode
n=2.0 Set to Class 2.0 mode
n=6
Set to ZFAX mode
n=8
Set to Voice mode
ON
OTE
:
I
F
S57.4=0 (
DEFAULT
),
THE RESPONSE TO THE
+FCLASS=?
COMMAND WILL
NOT REPORT
C
LASS
1
CAPABILITY
. T
HIS IS DUE TO THE FACT THAT SOME FAX
SOFTWARE PACKAGES MAY GET CONFUSED BY THIS RESPONSE
.
Command
Value Description
+FTS=n
0-255 Stop transmission and pause, in 10 ms
units.
+FRS=n
0-255 Wait for silence, in 10 ms units.
+FTM=
Transmit data with
+FRM=
Receive data with
+FTH=
Transmit HDLC data with
carrier.
+FRH=
Receive HDLC data with
carrier.
The
values: