[Asterisk-Users] How to 'read' ztmonitor and set gains

[Seth Remington]

On Fri, 2005-07-15 at 20:44 -0700, Chris Coulthurst wrote:
> Being one the many people trying to track down echo 'ghosts' I ran across
> this page: 
> 
> http://lists.digium.com/pipermail/asterisk-users/2004-November/071301.html
> suggesting ways to adjust the gain.  I have a TDM400P 2x2 config with
> Kewlstart lines configured.  I've located a local telco milliwatt test line,
> and when I call it, the gain numbers are no where near 14844.  Now, this
> article refers to configuration with a channel bank, but suggests it would
> be similar on 'simpler equipment'.
> 
> The numbers I get are around 4450 on the Rx.  
> 
> [root at morse zaptel]# ./ztmonitor 5 -vv
> 
> Visual Audio Levels.
> --------------------
>  Use zapata.conf file to adjust the gains if needed.
> 
> ( # = Audio Level  * = Max Audio Hit )
> <----------------(RX)---------------->
> <----------------(TX)---------------->
>  ########################*
> Rx:  4452 ( 4452) Tx:    46 (   63)
> 
> Is this good? Normal? Any suggestions, or a point in the right direction for
> the right documentation would be appreciated.
> 
> P.S. This is CVS-HEAD Zaptel on a P3 550, Host bridge: Intel Corp.
> 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 3)
> 
> Chris Coulthurst
> chris at shuksan.com
>  
> 
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