Multi-Tech Systems MT2834BLR - Manual (Page 74)

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Chapter 7 - BABT Requirements
7.1.4 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 may be connected to a point to point two-wire or four-wire
Private Circuit.
d. 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).