Arris C4C - Upstream Cable Access Modules (Ucams)

STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 267
Chapter 9
Upstream Cable Access Modules (UCAMs)
 Overview .......................................................................................... 268
 12U Cable Access Module (12U CAM) ............................................. 268
 Basic Command Set for Bringing Up a 12U CAM ............................. 274
 24U Cable Access Module (24U CAM) ............................................. 277
 Rules and Restrictions for 12U/24U CAM Configuration ................. 281
 24U CAM Upstream Power Level Groups ........................................ 282
 Basic Command Set for Bringing Up a 24U CAM ............................. 286
 Measuring SNR in the 12U/24U CAM .............................................. 289
 Modulation Profiles .......................................................................... 292
 Adjusting Channel Settings in Response to Increased CM
Scaling .............................................................................................. 298
 Explanation of Upstream Parameters .............................................. 299
 Modulation Profiles: Default and User-defined ............................... 309
 Optimizing a Modulation Profile ...................................................... 311