[cisco-voip] 3845 pri AIS detected

Eric Brander mailinglists at rednarb.com
Thu Jul 29 11:53:14 EDT 2010


On Thu, Jul 29, 2010 at 8:36 AM, Robert Shearrill <rshearri at uchicago.edu> wrote:
>
> Can anyone tell me what AIS detected on my pri means.
>

alarm indication signal. In a T1 transmission, an all-ones signal is
transmitted in lieu of the normal signal. This AIS maintains
transmission continuity, and indicates to the receiving terminal that
a transmission fault is located either at, or upstream from, the
transmitting terminal.

Source: http://www.ciscosystems.co.nz/en/US/docs/net_mgmt/cisco_wan_manager/15.4.00/database_interface/guide/gloss.html

Regards,

Eric N. Brander


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