Priority Circuit For Modems With Phones Connected In Series - INSYS 56k small INT 2.0 Operating Manual

Functions

5.10 Priority Circuit for Modems with Phones Connected in Series

The INSYS Modem 56k small INT gives a phone connected
in series priority, to make sure it interferes as little as possi-
ble with the usage of the phone connection.
Command
5.10.3)
AT-STE=0
AT-STE=1
AT-STE=2
AT-STE=3
AT-STE=4
AT-STE=5
AT-STE=6
AT-STE=7
5.10.1 Detecting a busy phone line
During a dial-up attempt, the model detects the busy
phone line. The modem reports
Changing the loop voltage to detect the function – Detec-
tion of a busy line (U1) – can be set with the help of AT
commands.
Voltage
Loop voltage prior
to the connection.
Loop voltage for
busy phone line.
36
Function 1 Function 2
(Chap. 5.10.1) (Chap. 5.10.2)
==
√
==
√
==
√
==
√
INSYS Modem 56k small INT 2.0/USB 1.0
Function 3
(Chap.
==
==
√
√
==
==
√
√
U1
Time
== (default)
==
==
==
√
√
√
√
LINE IN USE
AT-TTE=U1, U2, U3
June 06