Chapter 3: C4/C4c CMTS Specifications
STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
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C4 CMTS
The following graphic displays the front view of the C4 CMTS. There are a total of twenty-one slots for modules. There are
four main types of modules used to equip the slots in the front. These are sometimes referred to as front cards. Smaller
modules, called Physical Interface Cards, or PICs, are inserted in each slot from the rear of the chassis. The PICs provide
physical connectors for terminating cable. Between the front and back slots is the midplane of the chassis. Three C4 CMTS
chassis can be mounted in a single 19-inch wide, seven-foot standard rack.
Figure 2:
The C4 CMTS (front view)
C4c CMTS
The figure below illustrates the front view of the C4c CMTS. There are a total of eight slots for modules. There are four
main types of modules used to equip the slots in the front. These are sometimes referred to as front cards. Smaller
modules, called Physical Interface Cards, or PICs, are inserted in each slot from the rear of the chassis. The PICs provide