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Chapter 3
Cisco CMTS Show Commands
Nominal Input Power Level 5 dBmV, Tx Timing Offset 0
Ranging Backoff Start 16, Ranging Backoff End 16, Tx Backoff Start 16
Tx Backoff End 16, Modulation Profile Group 1
part_id=0x3137, rev_id=0x01, rev2_id=0xFF
nb_agc_thr=0x0000, nb_agc_nom=0x0000
Range Load Reg Size=0x58
Request Load Reg Size=0x0E
Minislot Size in number of Timebase Ticks is = 8
Minislot Size in Symbols =8
Bandwidth Requests = 0x0
Piggyback Requests = 0x0
Invalid BW Requests= 0x0
Minislots Requested= 0x0
Minislots Granted
Minislot Size in Bytes = 2
UCD Count = 0
DES Ctrl Reg#0 = C00C0C43, Reg#1 = 0
Router#
The following example shows typical output for a cable interface line card that includes onboard
hardware-based spectrum management capabilities (such as the Cisco uBR-MC16S and Cisco uBR-
MC28U/X cards):
Router# show controllers cable 3/0 upstream 3
Cable6/0 Upstream 3 is up
Frequency 24.600 MHz, Channel Width 3.200 MHz, 64-QAM Symbol Rate 2.560 Msps
This upstream is mapped to physical port 3
Spectrum Group 14, Last Frequency Hop Data Error: NO(0)
MC28U CNR measurement - better than 50 db
Nominal Input Power Level 0 dBmV, Tx Timing Offset 2815
Ranging Backoff automatic (Start 0, End 3)
Ranging Insertion Interval automatic (60 ms)
Tx Backoff Start 0, Tx Backoff End 4
Modulation Profile Group 241
Concatenation is enabled
Fragmentation is enabled
part_id=0x3138, rev_id=0x02, rev2_id=0x00
nb_agc_thr=0x0000, nb_agc_nom=0x0000
Range Load Reg Size=0x58
Request Load Reg Size=0x0E
Minislot Size in number of Timebase Ticks is = 2
Minislot Size in Symbols = 32
Bandwidth Requests = 0x23C800
Piggyback Requests = 0x489FB8
Invalid BW Requests= 0x0
Minislots Requested= 0x4499EBE
Minislots Granted
Minislot Size in Bytes = 24
Map Advance (Dynamic) : 2454 usecs
UCD Count = 429798
ATDMA mode enabled
Multicast/Broadcast RateLimit Dropped Pkts : 0
Router#
For Broadband Processing Engine (BPE) cards, and other cable interfaces that include onboard
upconverters, the show controllers cable command also displays information about the upconverter's
status and configuration. The following excerpt from the command output shows the information that is
displayed for the Cisco uBR-MC5X20S cable interface line card:
Router# show controllers cable 5/1/4
OL-1581-08
= 0x0
= 0x6C67B7
Cisco Broadband Cable Command Reference Guide
show controllers cable
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