
Chapter 6 Configuring resources — media bay modules 107
BCM 4.0 Networking Configuration Guide
Analog station
module
• Analog Station Media Bay
Module (ASM 8)
Single density
• ASM8 = 2 per bus/8 analog
sets for each module
Double density
• ASM8 = 4 per bus/16 analog
sets for each module
N/A
• (Global) Analog Station
Media Bay Module
(GASM)
Single density
• 2 per bus/8 analog sets for
each module
Double density
• 4 per bus/8 analog sets for
each module
Provides CLID passthrough,
Message Waiting Indication* and
Disconnect Supervision*
(*available features depends on
market profile)
• Norstar analog station
module (ASM) connected
to a FEM
• FEM = 1 per bus/16 digital
sets
N/A
Trunk module • Digital Trunk Media Bay
Module (DTM)
• DTM = 1 per bus/16 lines
(max. three DTMs on a
system)
• DTMs can be set to module
types: Loop, E&M, DID, T1,
PRI (NI-2 or ETSI are
region-specific)
• CLID Trunk Media Bay
Module (CTM4 or CTM8)
• Global Analog Trunk
Module (GATM4 or
GATM8) (released with
BCM version 3.5)
• CTM4/GATM4=1 per offset/
4 lines per module
• CTM8/GATM8= 2 per bus/
8 lines per module
• CTMs/GATMs can be set to
module types: Loop
• 4X16 Media Bay Module
(4X16) (counts as one
CTM)
• 4X16= 1 per offset (4 lines)
and additional bus (station)
• 4X16s can be set to module
type: Loop
• BRI Media Bay Module
(BRI)
• BRI= 3 per bus, 4 loops (8
lines) per module
• BRI can be set to module
types BRI S/T, BRI U2, BRI
U4 (setting must match
physical module type). U2
and U4 are region-specific
Specialized
modules
• Norstar trunk expansion
modules, with Analog
Trunk cards, connected to
a FEM
• FEM= 1 per bus, can
support up to three analog
trunk cards (in one trunk
expansion unit)/4 lines each
Norstar analog trunk cards:
Loop, E&M, DID
• DDI MUX • 1 per bus • T1 (telephony and data).
Refer to “Configuring the DDI
Mux module” on page 525.
• Norstar trunk expansion
modules with BRI cards,
connected to a FEM
• FEM= 1 per bus, can
support up to three BRI
cards (in one trunk
expansion unit)/4 loops each
• Norstar BRI cards: BRI S/T,
BRI U2, BRI U4 (setting must
match physical module type).
U2 and U4 are
region-specific
Data module Refer to the data section of this book (“Configuring a data module” on page 532) for details about
setting up a data module on DS30 08. This process includes any Norstar Data Modules connected
to a FEM.
Table 20 Programmed Bus Types (Sheet 2 of 3)
Programmed
Bus Type Hardware unit Capacity
Available line types (some line
types are region-dependent)
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