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2. CPX-1000 Voice Services Platform Description 1000-A2-GN22-00
2-12 February 2003
Line Modules
with T1
When configured with T1, the CPX may contain the following
module types:
Call Processor (CP) module (page 2-13)
Management Processor (MP) module (page 2-17)
Octal T1 module (page 2-19)
12-port T1 ECAC module (page 2-23)
ATM OC-3 module (page 2-32)
Echo Cancellation (EC) module (page 2-35)
– or –
Echo Cancellation and Compression module (ECAC)
(page 2-36)
The EC and ECAC modules are used only with the Octal T1
module. The 12-port T1 ECAC module provides onboard echo
cancellation and compression. See Chapter 3, Installing the CPX-
1000 for more information.
Line Modules
with STS-1
When configured with STS-1, the CPX contains the following
module types:
Call Processor module (page 2-13)
Management Processor module (page 2-17)
STS-1 module with Echo Cancellation (page 2-25)
STS-1 ECAC module with Echo Cancellation and
Compression (page 2-28)
ATM OC-3 module (page 2-32)
Echo Cancellation and Compression module (page 2-36)
The ECAC module is used only with the STS-1 module. The STS-1
ECAC module provides onboard echo cancellation and
compression. See Chapter 3, Installing the CPX-1000 for more
information.