Multitech MultiModem MT5634ZPW-PCI, Owner'S Manual

Page: 84 / 94

MT5634ZPW-PCI
84
Owner’s Manual
Compliance with BS6305 Clause 6.2,
BS6320 Clause 7.2, and BABT/SITS/82/
005S/D
a. The modem is suitable for connection to the public switched
telephone network (PSTN) provided by British
Telecommunications plc or Kingston Communications (Hull)
plc. Circuit supply by British Communications, Mercury
Communication, or Hull City Council. Only direct exchange
lines may be used, not shared service.
b. The modem is suitable for household, office, and similar
general indoor use. It is not suitable for use as an extension
to a payphone.
c. BT lines supplied must support either loop disconnect or
multifrequency tone signalling.
d. REN (Ringer Equivalence Number):
The REN value of a unit is calculated from 3/n where n is the
total number of units which can be connected in parallel
which will still cause the standard bell (as defined in BS6305
Appendix D) to ring.
REN values of less than 0.3 cannot be assigned.
REN = 1
If a telephone or other device is connected in parallel with
the modem, the combined REN must not exceed 4. A BT-
supplied telephone may be assumed to have REN of 1.0
unless otherwise noted.
The approval of this modem for connection to the British
Telecom public switched telephone network is INVALIDATED if
the apparatus is subject to any modification in any material way
not authorized by BABT or if it is used with or connected to: