26 Chapter 1 Getting started with BCM50N0027152 01N0027152 01OrganizationThis guide is organized for easy access to information that explains the concepts, operations, andprocedures associated with the BCM50 system.About BCM50The Business Communications Manager 50 (BCM50) system provides private network andtelephony management capability to small and medium-sized businesses.The BCM50 system:• integrates voice and data capabilities, IP Telephony gateway functions, and data-routingfeatures into a single telephony system• enables you to create and provide telephony applications for use in a business environmentBCM50 key elementsBCM50 includes the following key elements:BCM50 main unitsThree types of main units are available:• BCM50 (Telephony and basic data)The BCM50 main unit provides call processing and simple data networking functions. It alsoprovides connections for telephones, Public Switched Telephone Network (PSTN) lines, and aLAN.• BCM50a (with ADSL Router)The BCM50a main unit provides call processing, data routing features, and an integratedADSL modem. It also provides connections for internal telephones, PSTN lines, a LAN, andan ADSL router.• BCM50e (with Ethernet Router)The BCM50e main unit provides call processing and data routing features. It also providesconnections for telephones, PSTN lines, a LAN, and an Ethernet router.BCM50 hardwareIn addition to the main platform configurations, the following hardware is available:• Expansion unit: An expansion unit is designed to accommodate a media bay module (MBM).The BCM50 main unit supports up to two expansion units.• Small system wallmount bracket: A bracket designed for mounting the BCM50 main unit orexpansion unit to a wall. An optional wiring field card (WFC) is available with the wallmountbracket, which provides RJ-45 connectors for all BCM50 main unit trunk and stationinterfaces. The WFC includes a terminal block to connect the auxiliary equipment.
