Cisco cBR Series Hardware Installation Guide

Table 45: Upstream PHY Module Troubleshooting
SolutionPossible CauseProblem
The upstream PHY module should
be re-installed to ensure that it is
properly seated.
The upstream PHY module is not
seated properly.
The PowerGood value 0 in the
output of the show cable card
slot/subslot us-phy display |
include PowerGood command
shows that the upstream PHY
module in the line card is not
powered up.
Refer to the RMA procedure for
more information on service.
The upstream PHY module is
damaged.
Reboot the interface card. If the
STATUS LED does not illuminate,
replace the line card.
The interface card is not booted.The STATUS LED is not
illuminated.
Replace the interface card.The interface card needs to be
replaced.
The REPLACE LED is illuminated
in white color.
Cisco Converged Broadband Routers Hardware Installation Guide
258
Troubleshooting the Cisco cBR
Troubleshooting the Interface Cards in Cisco cBR Chassis

Cisco cBR Series Specifications

General

Category	Network Router
Modular Design	Yes
Operating System	Cisco IOS XE
Model Examples	cBR-8, cBR-4
Product Series	cBR Series
Purpose	Converged Broadband Router
DOCSIS Support	DOCSIS 3.1
Redundancy	Yes
Management	Cisco Prime
Product Family	cBR Series
Downstream Frequency Range	Up to 1.2 GHz
Upstream Frequency Range	Up to 204 MHz
Modulation Schemes	QAM
Power Supply	Redundant AC or DC power supplies
Operating Temperature	0°C to 40°C
Storage Temperature	-40°C to 70°C
Humidity	5 to 95% noncondensing