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cable power
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Examples
The following example shows how to power off the first cable interface card in a Cisco uBR10012
chassis (card 5, slot 0). It also shows the output from the show interface cable command, with a line
that indicates that the hardware is not present.
router# cable power off 5/0
Line Card 5/0 is POWERED OFF
router#
Cable5/0/0 is down, line protocol is down
Hardware is not present
Hardware is UBR10012 CLC, address is 0005.00e0.2f14 (bia 0005.00e0.2f14)
Internet address is 10.20.42.1/24
MTU 1500 bytes, BW 27000 Kbit, DLY 1000 usec,
...
router#
The show interface cable command will not display output for a card that is not physically present, so
Note
if you can use the show interface cable command but it indicates that the hardware is not present, this
usually means that power to the card has been turned off using the cable power off command.
The following example shows the error message that results when you attempt to power on or off a cable
interface card that is not physically present in the chassis:
router# cable power off 6/1
Line Card 6/1 is not present
router#
Note
Power is still turned on or off to a cable interface line card slot, even when the card is not physically
present in that slot.
Cisco Broadband Cable Command Reference Guide
2-178
You can turn power both on and off to a cable interface line card slot, even if a card is not physically
present in the slot.
This is the only CLI command that actually powers off a card. The hw module reset command
appears to perform a similar function, but it performs only the equivalent of issuing the shutdown
and no shutdown commands on the card.
When power is turned off for a cable interface line card, the power to that card slot will remain off
until the cable power on command is used to turn the power back on. If you insert a cable interface
card in to a slot that had been previously powered down, you will have to use the cable power on
command to turn on power before being able to use the card.
This command requires that a working TCC+ card be present because the TCC+ card controls and
monitors the operation of the cable interface line cards. In Cisco IOS Release 12.2(8)BC1 and later,
this command is disabled if a working TCC+ card is not present in the router.
The Cisco uBR10012 router requires a working TCC+ card for normal operations. Using the
Note
router without a working TCC+ card is not a supported configuration.
show int c5/0/0
reliability 255/255, txload 1/255, rxload 1/255
Chapter 2
Cisco CMTS Configuration Commands
OL-1581-08
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