STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 12
SCM 3 Operational Interaction ................................................................................................................ 188
Out-of-Band Management on the SCM 3 ................................................................................................ 188
Upgrading a C4 CMTS to an SCM 3 .......................................................................................................... 189
Compact Flash ................................................................................................................................................... 195
Physical Dimensions ................................................................................................................................. 195
Replacing the Compact Flash ................................................................................................................... 196
Compact Flash Disk Partitions .................................................................................................................. 200
File System Administration ...................................................................................................................... 204
File Transfers ............................................................................................................................................ 206
7. Router Control Module (RCM) ............................................................................................................... 208
RCM Overview................................................................................................................................................... 208
Primary Software Functions .............................................................................................................................. 210
RCM Hardware .................................................................................................................................................. 210
LED Status Indicators ................................................................................................................................ 211
RCM Crossover Connector ....................................................................................................................... 211
SFP and XFP Ethernet Interfaces .............................................................................................................. 214
Fiber Optic SFP and XFP Modules ............................................................................................................ 214
8. Downstream Cable Access Modules (DCAMs) ........................................................................................ 219
Overview ........................................................................................................................................................... 219
16D Cable Access Module (16D CAM) .............................................................................................................. 219
Primary Software Function ...................................................................................................................... 222
Downstream Test Port on 16D CAM Faceplate ....................................................................................... 223
LED Status ................................................................................................................................................. 224
Downstream Interleaver Settings ............................................................................................................ 224
QAM Modulation Order and Port Requirements..................................................................................... 225
Spectrum Windows and Downstream Frequency Spacing ...................................................................... 225
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