Subject: Re: Clock synchronization with ISDN
To: Erik E. Fair <>
From: Christian Kuhtz <>
List: tech-kern
Date: 02/17/1997 11:57:01
On Mon, 17 Feb 1997 10:45:30 -0800, "Erik E. Fair" (Time Keeper) =
<> wrote:
> Of what accuracy are these ISDN time stamps? second? millisecond?
> microsecond?

Probably one of the latter.  This is considered to be a very accurate time =
source which is supplied by Euro ISDN.

> If it's only good to the second or tenth of a second, it's
> likely that the system will indeed be able to measure some jitter in the
> signal, independent of how clean the telephone company (DBP Telekom in =
> case, nu?) claims it is. Nothing's perfect.

DBP Telekom no longer exists, btw, it's just Telekom.  DBP is supposedly =
independant from the Telekom company.

Christian Kuhtz <> (work),   <> =
UNIX/Network Specialist,   "A German in the U.S., speaking for himself =
Paranet, Inc. Rocky Mountain Branch,  MIME/NeXTmail =