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ii.
external control software or external control apparatus which cause the operation of
the modem associated call set-up equipment to contravene the requirements of the
standard set out in BABT/SITS/82/005S/D.
All other apparatus connected to this modem and thereby connected directly or indirectly to
the British Telecom public switched telephone network must be approved apparatus as
defined in Section 22 of the British Telecommunications Act 1984.
Compliance with BS6789: Section 3.1 and Part 2
a.
The modem is not capable of allowing Auto Call using '999' or other PABX
emergency numbers.
b.
Modes other than modes 1, 2, or 3 should not be used on the BT PSTN. This modem
is a mode 1 device.
c.
Users are advised to check the numbers entered during the Auto Call set up phase
prior to dialing.
d.
The user should not issue any sequence of commands to the modem which would
cause the modem to exceed the maximum allowable pause of 8 seconds from the
time the modem goes off hook until dialing begins.
e.
For correct operation of the call progress monitor, the power has to be properly
connected and switched on.
Compliance with BS6328 Part 1
a.
The modem is not suitable for use on circuits with British Telecommunications
signaling at a normal frequency of 2280 Hz.
b.
The modem does not require signaling or otherwise employ the frequency range dc
to 200 Hz.
c.
The modem does not require dc from the Private Circuit for correct operation. The
modem may be damaged if connected, in a private circuit mode, to a circuit
supplying dc current (the maximum permissible direct current is zero amps).
52
MA6
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