Cisco WCM300 - Channel Bonded Cable Modem Implementation Manual page 75

Chapter 5 Monitoring and Troubleshooting Wideband Components
Router# show controller modular-cable 1/0/0 brief
SPA 0 is present
status LED: [green]
Host 12V is enabled and is okay.
Power has been enabled to the SPA.
SPA reports power enabled and okay.
SPA reports it is okay and is NOT held in reset.
Gigabit Ethernet Port Selected : Port 1
Receive Interface
Receive Interface
Transmit Interface
Transmit Interface
Primary Receive Clock
Backup Receive Clock
SFP [Port 0] : 1000BASE-SX Present
Tx Enabled , LOS Detected , TxFault Not Detected
Link Status [Port 0] : DOWN
SFP [Port 1] : 1000BASE-T Present
Tx Enabled , LOS Not Detected , TxFault Not Detected
Link Status [Port 1] : UP
...
In the preceding output, notice the following:
• The Gigabit Ethernet Port Selected field indicates the active Gigabit Ethernet port.
• For the active Gigabit Ethernet port, the SFP [Port 1] field indicates the type of SFP that is present.
For the active Gigabit Ethernet port, the Link Status [Port 1] field indicates whether the link is up.
•
The Cisco Wideband SPA transmits data in a unidirectional manner only and does not receive data from
devices connected to its active Gigabit Ethernet port.
If the link for the active Gigabit Ethernet port is not up, check the following:
Check that the SFP module is correctly installed and matches the SFP module in the connected
•
device.
Check that the cables to the Wideband SPA ports are correctly connected to a powered-on device.
•
Check that the cables to the Wideband SPA ports are not bent or damaged.
•
Check that a hardware failure has not occurred. For information, see the
•
Troubleshooting on a Wideband SIP and Wideband SPA" section on page
Use the show controller modular-cable command with the sfp keyword to get more detailed
information on the SFP modules installed in a Wideband SPA's Gigabit Ethernet ports.
OL-10705-02
: In Reset
: Disabled
: Out of Reset
: Enabled
: Disabled
: Disabled
Cisco Cable Wideband Solution Design and Implementation Guide, Release 1.0
Troubleshooting Wideband Components
"Performing Basic
5-13.
5-15