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Beginner

VWIC3 - straight cable, RJ48C, or both?

Hello there,

In the past i wroked with VWIC1 or 2, and i had the habit to uses RJ48 pinout only to bind telco access point to the Cisco's voice card (as wrote down here).

Today, i had to play with a VWIC3, and my fellows told me that i don't have to use RJ48, straight RJ45 will be sufficient...

  • is that true?
  • Where can I find official documentation?
  • Is a RJ48C could work too on VWIC3?
  • For previous VWIC, is the straight RJ45 could work too?

Thx again!

Greg

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2 ACCEPTED SOLUTIONS

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VIP Mentor

VWIC3 - straight cable, RJ48C, or both?

Greg,

I have always used straight through RJ45 and it works. Never used RJ48

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"opportunity is a haughty goddess who waste no time with those who are unprepared"

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Advisor

VWIC3 - straight cable, RJ48C, or both?

Hi Greg,

You need to use 1,2 and 4,5 pin on the RJ-45 connector.Your controller should come UP.In case,if it does not come UP,swap the Tx and Rx pairs on either side.

refer the URL

https://supportforums.cisco.com/docs/DOC-9474

regds,

aman

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5 REPLIES 5
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VIP Mentor

VWIC3 - straight cable, RJ48C, or both?

Greg,

I have always used straight through RJ45 and it works. Never used RJ48

Please rate all useful posts

"opportunity is a haughty goddess who waste no time with those who are unprepared"

Please rate all useful posts

View solution in original post

Highlighted
Advisor

VWIC3 - straight cable, RJ48C, or both?

Hi Greg,

You need to use 1,2 and 4,5 pin on the RJ-45 connector.Your controller should come UP.In case,if it does not come UP,swap the Tx and Rx pairs on either side.

refer the URL

https://supportforums.cisco.com/docs/DOC-9474

regds,

aman

View solution in original post

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VIP Mentor

VWIC3 - straight cable, RJ48C, or both?

Another thread confirming this..

https://supportforums.cisco.com/thread/188997

Please rate all useful posts

"opportunity is a haughty goddess who waste no time with those who are unprepared"

Please rate all useful posts
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Beginner

VWIC3 - straight cable, RJ48C, or both?

hi guys,

Thx for your answer...

As i was googling my question, i found also that E1 would use 1,2 & 7,8... is that correct too?

Thx again!

Highlighted

VWIC3 - straight cable, RJ48C, or both?

Hi Greory

Greg is right.

its Pin 1,2 and 4,5. For Transmit and Receive.

Thanks

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