[Asterisk-Users] possible solution to PRI T100P dropped call issue

Walker Haddock whaddock at datacrest.com
Sun Jan 11 20:58:09 MST 2004


I have a T100P connected to an xspedius T1.  We occasionally have calls disconnect.  I just ran zttool and I get Tx/Rx Levels as 0/2.

My zaptel.conf has --> span=1,0,0,esf,b8zs

I can switch out the T100P and see what happens and report back.

Walker

On Sun, Jan 11, 2004 at 07:07:07PM -0700,  John Brown (CV) wrote:
> 
> To recap:
> 
> T100P card wouldn't sync with the telco using line side
> clocking ( span=1,1,0.........) 
> 
> Had to use  internal clocking (span=1,0,0.......)
> 
> zttool  showed Tx/Rx Levels as  0/ 1
> 
> 
> For the grins of it I replaced the T100P card with
> another newer card from inventory.
> 
> This newer card has the same rev on the ASIC / FPGA
> but doesn't have any of the various jumper headers
> installed on the board.
> 
> Set clocking to line side
> sync=1,1,0......
> 
> Poof, card comes up, span comes up. 
> 
> zttool  now shows  Tx/Rx Levels as  0/ 0
> 
> No other changes have been made to the various
> configs on the system.
> 
> 
> It seems in the end that this was some strange hardware
> failure on the T100P card.
> 
> 
> :
> 
> 
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********   DataCrest, Inc. -- Technically Superior   ******************
Walker Haddock                       http://www.datacrest.com
DataCrest, Inc.                    e-mail:  wh at datacrest.com
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