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22 Chapter 1 Introducing the Business Communications Manager
P0609324 01
Data networking components
The data networking components connect the Business Communications Manager system to the
local area network (LAN) and/or the wide area network (WAN). These components are installed at
the factory.
• Modem card (North American systems only) — a V.90 modem that sends and receives data
using the public telephone system.
This connection can be used to:
— manage the Business Communications Manager system from a different location
— provide dialup backup for a WAN card
• LAN interface card — a 10/100 BaseT Ethernet network interface card that connects the
Business Communications Manager system to the local area network.
• WAN interface card — a network interface card with a T1 interface and sync port that
connects the Business Communications Manager system to the wide area network (WAN).
The WAN card connects to a T1 PSTN line with an integrated T1 DSU/CSUs (North
American). The WAN card can also connect to a T1 PSTN line with an X.21 or V.35 interface
(Europe, Middle East, Africa (EMEA)).
Media Services Card
The Media Services Card (MSC), a PCI card, performs call processing and media processing of
the voice channels for the Business Communications Manager system, including the VoIP trunks
and IP-based telephones. This card also offers connections for auxiliary features, including
external, customer-supplied hardware for paging and music-on-hold.
Figure 6 shows the location of the MSC on the BCM1000.
Figure 6 MSC optional equipment ports
Music on hold input
Page output
Page relay
Auxiliary ringer
MSC faceplate details
DS256 jack
BCM1000