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Chapter A Reference Tables
Minimum AAL2 Trunk Size Requirements Tables
Table A-6. Interface Types by I/O Module Types
Interface
Module
8-Port Voice 2-Wire
Station (
)
VOICE 2WS
2-Port High Speed
(
)
HIGH SPEED
Quadserial (
QUAD
)
SERIAL
6-Port Multiserial
(
)
SERIAL
Ethernet (
)
ENET
* Port 2 only.
Minimum AAL2 Trunk Size Requirements Tables
®
1-Port Channelized STS-1e, T1 Format Module User Guide, Issue 1
PacketStar
A-32
Serial Interface Modules
X
X
X
X
Ethernet Interface Module
Setting up channels with multiplex structure helps reduce delay of traffic. If a
trunk is configured to have at least one active channel, one cell must be sent
out every 20 ms; thus, the minimum trunk size is 50 cps. At 8 Kbps, Lucent
recommends two channels with multiplex structure. On the DSP2C module,
you can configure up to 64 AAL2 trunk groups, so that if you want to use all
128 channels (or 224 for echo cancel mode), you must set up the multiplex
structure.
Table A-7 summarizes bandwidth savings at different compression rates.
X
X
*
X
X
X
X
X
X
X
X
X
X
X
Release 7.0
255-700-184
X
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