Chapter 8: Downstream Cable Access Modules (DCAMs)
STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
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MAC domain. All of the downstream channels in a MAC domain must be from the same 16D or XD CAM. All of the
upstream channels in a given MAC domain must be from the same 12U or 24U CAM.
The model numbers for the 16D CAM are:
CAM-20016W (Classic 16D CAM)
CAM-40016W (Optimized 16D CAM)
Caution: Optimized 16D CAMs will not work in releases prior to Release 7.4.
Classic Downstream CAMs — name for the original designs of the 16D and XD CAMs.
Optimized Downstream CAMs — has the same functionality and performance (with slightly lower power consumption) as
the Classic Downstream CAM when installed in a CMTS operating Release 7.4 software or later.
Note: Refer to table Downstream CAM Hardware Versions in
XD Cable Access Module (XD CAM)
(page 229) for the
minimum software for operation of all Downstream CAMs.