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From: tracyw@islenet.UUCP (Tracy Walters)
Newsgroups: net.dcom
Subject: Re: bit error rate tester recommendation wanted
Message-ID: <1872@islenet.UUCP>
Date: Sun, 24-Nov-85 07:35:02 EST
Article-I.D.: islenet.1872
Posted: Sun Nov 24 07:35:02 1985
Date-Received: Sat, 7-Dec-85 10:48:57 EST
References: <6313@amdcad.UUCP>
Organization: Islenet Inc.,  Honolulu
Lines: 27

> I am going to buy a bit error rate tester and would like recommendations
> on what to get. I intend to use it mainly to verify our 56Kb DDS lines
> and any subchannel or tail circuits which may be associated with it.
> 
> The best unit I have found is the HP 4925B. It accepts external clock
> up to 72Kb and can generate clock at speeds up to and including 19200.
> This latter capability is important for testing tail circuits connected
> to DDS as DDS normally provides the clock.
> 
> This unit performs bit error testing, block error testing, error seconds,
> and percentage error free second testing simultaneously. It can talk
> RS232 or V.35.
> 
> So far, I haven't seen anything else with all these features, particularly
> in a hand held unit. Are there any other testers I should look at? Is
> there anything wrong with the 4925B? Any comments will be appreciated.
> -- 
>  The California Lottery may be a tax on the stupid, but at least
>  some of the proceeds are used for education.
> 
>  Phil Ngai +1 408 749-5720
>  UUCP: {ucbvax,decwrl,ihnp4,allegra}!amdcad!phil
>  ARPA: amdcad!phil@decwrl.dec.com
Phil,
s also around 10k, but very reliable and works at least up to 20 Mbps, which is the highest speed of anything we have. Good Luck in your search.

Tracy Walters @ U.S. Commander in Chief, Pacific, Special Intelligence Communications, Aiea, Hawaii.