[ntp:questions] Re: RS-422 Cards

Brian Inglis Brian.Inglis at SystematicSW.Invalid
Tue May 3 20:25:03 UTC 2005


On Tue, 3 May 2005 07:42:16 -0400 in comp.protocols.time.ntp, Stewart
Pelegan <spelegan at csc.com> wrote:

>I've found out that in order to use the customer's GPS source on-site, I 
>will have to interface with a 25 pin RS-422 port.  The workstation 
>receiving the GPS data and running the ntp daemon only has a 9 pin RS-232 
>port.  I'd like to test my RS-422/232 converter on some RS-422 source, but 
>I can't seem to find any...other than going to the customer's site.  Does 
>anyone know where I can get an RS-422 PCI card with a DB25 port?  When I 
>go to the local CompUSA and Radio Shack, all I get is puzzled looks. 

Look for an AppleTalk/LocalTalk (aka RS-422) to RS-232 converter or
Google for DIY links like:
http://www.rdrop.com/~cary/html/serialportdocs.html 

-- 
Thanks. Take care, Brian Inglis 	Calgary, Alberta, Canada

Brian.Inglis at CSi.com 	(Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca)
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