Arris C4C - Network Interfaces; Receiver Input Levels for Upstream Channels

Chapter 3: C4/C4c CMTS Specifications
STANDARD Revision 1.0 C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved. 84
Specification
12U/24U
Forward error correction
Reed-Solomon (T = 1-16)
The following is a list of receiver input levels for upstream channels:
Table 6. Receiver Input Levels for Upstream Channels
Channel Width
(kHz)
Symbol Rate
(ksym/sec)
Input Power Range (dBmV)
12U or 24U CAM
200
160
-16 to +14
400
320
-13 to +17
800
640
-13 to +20
1600
1280
-13 to +23
3200
2560
-10 to +26
6400
5120
-7 to +29
Note: It is not recommended that upstream ranges go beyond +23 dBmV. (See the tables in 24U CAM Upstream Power
Level Groups ("24U CAM Upstream Power Level Groups" page 282) for more details on the Upstream Power Level Groups.)
Network Interfaces
The C4 and C4c CMTSs support the following network interfaces:
 10 Base-T (SCM Maintenance Port)
 SFP Modules (10 per RCM):
 10/100/1000Base-T
 1000Base-SX
 1000Base-LX
 1000Base-LX10