User manual

T1 Modem Bank
118
Class 1 FAX Commands
The Digi Modem/Xem supports FAX commands conforming to EIA standard 578. These commands are given here
with short descriptions; complete descriptions are given in the standard, available from the Electronic Industry
Association. It also supports ECM mode and V.17terbo at 19.2K bps.
+FCLASS?
Service Class Indication
Causes the modem to display the current setting. The modem can operate either as a Class 0 data modem or
a Class 1 FAX modem. Returns 0 for a Class 0 data modem, or 1 for a Class 1 FAX modem.
+FCLASS=?
Service Class Capabilities
Causes the modem to display the classes it supports. Returns “0” if set up for data mode; “0, 1” indicates
that the modem is capable of data and Class 1 FAX services.
+FCLASS=
n
Service Class Selection
Sets the modem for Class 0 (data) or Class 1 (FAX) operation.
+FCLASS=0 Sets the modem for Class 0 data operation.
+FCLASS=1 Sets the modem for Class 1 FAX operation.
+FTS=?
FTS Range Capabilities
Modem returns “0-255”.
+FTS=
n
Transmission Silence
Causes the modem to stop transmitting data and pause for
n
x 10 ms. Modem returns OK after timer has
expired.
+FRS=?
FRS Range Capabilities
Modem returns “0-255”.
+FRS=
n
Receive Silence
Causes the modem to stop transmitting data and pause for
n
x 10 ms for silence; then the timer is reloaded.
+FTM=? FAX Normal Mode Transmit Capabilities
Causes the modem to output the transmit modulations supported by the modem. See Table 9.
+FTM=
n
Modem Initiate Training
Causes the modem to initiate training with modulation of type
n
. Table 9 shows the values you can enter for
this command and the meaning of those values.