BCM450 Hardware & Installation
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NN40011-001 Issue 1.2 BCM450 Rls 6.0
Global Analog Trunk Media Bay Module
The Global Analog Trunk Media Bay Module (GATM) provides an interface for
four or eight analog public switched telephone network (PSTN) lines. The
GATM supports both pulse and tone dialing, as well as caller ID and
disconnect supervision in selected markets throughout the world.
The GATM uses an RJ-21 connector as the trunk interface.
Digital Station Media Bay Module
The Digital Station Media Bay Modules (DSM) support digital telephones on
the BCM system.
DSM16(+): supports 16 digital telephones through one RJ-21 connector.
DSM32(+): supports 32 digital telephones through two RJ-21 connectors.
Analog Station Media Bay Modules
The Analog Station Media Bay Modules (ASM, ASM8, ASM8+, and GASM8)
can connect to a maximum of eight analog telecommunication devices. These
devices are standard analog telephones, cordless telephones, fax machines,
answering machines, or modems.
In addition to ASM8 features, the ASM8+ and GASM8 offer the following
features:
Visual Message Waiting Indicator (VMWI)
— LED indicates that a
message is waiting.
Disconnect supervision (Open Switch Interval [OSI] as per EIA/TIA
464). Indicates to the attached device, in an established
communication, that the connected device should release the call
Caller ID
— provides the name, phone number, and other information
about the caller to the end user telephone at the start of the call.
Firmware downloading capability
— allows the system to upgrade the
ASM8+ and GASM8 firmware.
