INSYS 56k Small INT 2.0 Manual Manual page 69

INSYS Modem 56k Small INT 2.0
Command
AT-STE=<n>
ATT
AT-TRV
Description
Priority circuit for INSYS Modem 56k Small INT 2.0 with phone connected in series
The INSYS Modem 56k Small INT 2.0 gives a phone connected in series priority, to make
sure it interferes as little as possible with the usage of the phone connection.
Monitoring Functions:
1) Detecting a busy phone line
During a dial-up attempt, the INSYS Modem 56k Small INT 2.0 de-
tects the busy phone line. (LINE IN USE).
2) Going off-hook on account of a telephone connected in series
If a telephone connected in series goes off-hook during an existing
INSYS Modem 56k Small INT 2.0 connection, the INSYS Modem 56k
Small INT 2.0 will immediately terminate the connection.
The telephone is connected to the line and receives a dialing tone.
3) Remote terminal connection abort
When the remote terminal aborts a connection, the modem will
immediately hang up.
Command Function 1
AT-STE=0 --
√
AT-STE=1
AT-STE=2 --
√
AT-STE=3
AT-STE=4 --
√
AT-STE=5
AT-STE=6 --
√
AT-STE=7
Switching on tone dialing
Starting with this command, each dial up is performed with the tone dialing method,
until an ATP or ATDP command switches it back to pulse dialing.
Phone Line Voltage Measurement (Tip Ring Voltage)
Use the command AT-TRV to measure the phone line voltage (Tip Ring Voltage). The
result is yielded in volt. For an existing connection the voltage range will be 5V – 12V.
Otherwise the voltage is higher than 20V. If the voltages are lower than 2V, no phone
line is connected.
Function 2 Function 3
-- --
-- --
√
--
√
--
√
--
√
--
√ √
√ √
AT Command Reference
(default)
69