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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LED Status
The LED status descriptions for the 16D CAM are listed in the following table:
Table 23.
16D CAM Power and Out of Service LED Descriptions
Front LEDs
Module Status
Power
Out of
Service
On
Off
Powered and in normal service state
Flashing
On
Flashing = 1.6 second period. Module power is off: either slot is not provisioned
or module has been disabled.
Persistent Fast
Flashing
On
Fast flashing = 6 times/second. Normal when card is first powered or restored. If
fast flashing persists for more than 2 seconds, there is a serious power problem.
On
On
Powered and out of service.
On
Flashing Downloading data from SCM, initializing or running diagnostics.
Off
Off
The slot has no power.
Downstream Interleaver Settings
In Annex B, the 16D CAM now supports the following DS interleaver settings (taps, increment): (8,16), (16,8), (32,4), (64,2),
and (128,1). The DS interleaver settings that were added by the DRFI Specification beyond what was required as part of
DOCSIS 2.0 were added specifically to support IPTV applications.
For Annex A, the 16D CAM uses the standard single DS interleaver setting of (12,17) (taps, increment). See also
For Annex B, the 16D CAM supports one unique interleaver setting per F-connector on the 16D CAM PIC.