Cisco 3845 - PRI release command

I am new to Voice and PRI is hard down on 3845 router and Telco is dispatching on site doe  any one has a command to release the PRI. I'd really appreciate the help

ISDN status
ISDN Serial0/1/0:23 interface
        dsl 0, interface ISDN Switchtype = primary-ni
    Layer 1 Status:
T1 0/1/0 is down.
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Istvan KalmarHead of IT Security Division Commented:

Do you have correct cable?
Try it with crossconnect cable if the straight not working!

Plese refer this page for pinouts:

Best regards,
VLHSAuthor Commented:
I am not onsite, Telco is sending tech on site and I just want to release PRI from router so that Tec can do his thing .. And I just want to know what's the command to release PRI .. Shutdown PRI or ISDN or T1 etc
Istvan KalmarHead of IT Security Division Commented:

shut, no shut

sh controller t1 0/1/0

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Istvan KalmarHead of IT Security Division Commented:
controller T10/1/0

no shutdown

any other question?:)
VLHSAuthor Commented:
Thanks iKalmar
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