MERLIN LEGENDCommunications System Release 6.1
System Planning
555-661-112
Issue 1
August 1998
Data Communications
Page 5-29Assigning Lines/Trunks to Data and Video Stations
5
The 100D module supports any combination of the following AT&T
Switched Network services:
— ACCUNET Switched Digital Service for 56-kbps and 64-kbps
restricted and 64-kbps clear (unrestricted) circuit-switched data calls
(PRI only)
— ACCUNET Switched 56 Service for 56-kbps (restricted or
unrestricted) data calls (T1 only)
— Megacom 800 for incoming domestic toll-free voice calls
— Megacom WATS service for outgoing domestic long-distance voice
calls
— Software-Defined Network (SDN) for circuit-switched voice and data
calls at up to 56 kbps
■ In Release 4.2 and later systems, these MCI services are also available:
— MCI PRISM
— MCI Vnet
—MCI 800
—MCI 900
■ In Release 4.2 and later systems, these local exchange carrier services are
also available:
—DMS Private
—DMS INWATS
—DMS OUTWATS
—DMS FX
— DMS Tie Trunk
■ NI-1 BRI. Basic Rate Interface (BRI) is a protocol within the ISDN standard
that provides digital voice, data, and video connectivity. NI-1 BRI facilities
connect to a jack on the 800 NI-BRI module, with each facility providing two
B-channels per jack (total of 16 NI-1 BRI channels per 800 NI-BRI module).
BRI facilities provide data rates of up to 64-kbps clear (unrestricted)
circuit-switched data calls per B-channel (128-kbps total for 2B Data).
To assign lines/trunks to data stations, you decide on the types of line buttons that
are assigned to the data communications equipment at each data station. The
data stations are:
■ Analog voice and modem data stations and MLX voice and modem data
stations
■ MLX voice and ISDN terminal adapter data stations, including telephones
■ Modem data-only stations
■ ISDN terminal adapter data-only stations
■ Digital data/video stations
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