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Beginner

Examing FXO Ports on Cisco ISR (VIC2-4FXO)

Hi,

I can't remember so I want to ask which command is showing us FXO port's idle line voltage? How can I see the line connected or not with FXO interface from CLI.

Best regards,

David

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Beginner

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Cisco Employee

Hi,

The show voice port summary command can help you.

R1#show voice port summary
PORTCHSIG-TYPEADMINOPERIN
STATUS
OUT
STATUS
EC
========================================================
0/0/0--fxo-lsupdormidleon-hooky
0/0/1--fxo-lsupdormidleon-hooky
0/0/2--fxo-lsupdormidleon-hooky
0/0/3--fxo-lsupdormidleon-hooky
2/0/0--fxs-lsupdormon-hookidley
2/0/1--fxs-lsupdormon-hookidley
2/1/0--e&m-wnkupdormidleon-hooky
2/1/0--e&m-wnkupdormidleon-hooky

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I' m sorry but there is a misunderstanding here. I want to know, how can I see the TELCO line cable (RJ11) is connected with VIC2-4FXO line card when it's inactive from Cisco ISR CLI. I suppose the command what you send is only showing line values when the line is active.

Best regards,

David.

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Beginner