RE: Communication Conversion -- MIDRANGE-L

We use Quest and Pacific Bell for frame Relay services to our remote
locations.  One is across the street with a full T1.  There we use an Adtran
to concentrate both voice and data.  We use a Compatible router to connect
to the Adtran.  Our router only bridges TCP/IP, no SNA.  We therefore use
*ANYNET to connect the AS400 to the remote LAN where a Perle 594E is
connected to the LAN.  It has been rock solid to our 720 @ V4R3.

Our other remote site, half way across the country, has both a leased line @
56k and a frame relay circuit @ 128k.  There we have a second AS400 170 @
V4R4.  Currently we are switching the application from SNA to TCP/IP and
will phase out the SNA connection over the leased line.  The SDLC leased
line has been rock solid and the CSU/DSU's have a built in dial backup @
14.4k.

I found that with an upgraded router we could connect the Perle 594e to the
router via the V.35 and route SNA.  Perhaps some day Perle will support a
TCP/IP connection to the AS400.

Perle are you listening?

Christopher K. Bipes     mailto:ChrisB@Cross-Check.com
Sr. Programmer/Analyst   mailto:Chris_Bipes@Yahoo.com
CrossCheck, Inc.         http://www.cross-check.com
6119 State Farm Drive    Phone: 707 586-0551 x 1102
Rohnert Park CA  94928 Fax: 707 586-1884

*Note to Recruiters
Neither I, nor anyone that I know of, is interested in any new and/or
exciting positions. Please do not contact me.


-----Original Message-----
From: dwillenborg@jcrob.com [mailto:dwillenborg@jcrob.com]
Sent: Tuesday, February 22, 2000 12:24 AM
To: MIDRANGE-L@midrange.com
Subject: Communication Conversion


Hello all,

I have a communication conversion happening in the next couple of  months
and I would like to get  opinions
from this list on the different ways to do it and what to look out for.

Current situation:

Model 720, V4R4 connected to 2 remote locations via leased lines,
controller type SDLC, using 9600 baud modems.

Location 1 has a I-O Corporation 8394Ei8 controller that has 2 dumb
terminals attached to it. Each terminal has a 
printer attached to it via the parallel connector on the back of the
terminal. 

Location 2 has a Perle 394TX controller that has 2 dumb terminals attached
to it. At this location, there are 2 twinax 
connected printers.

All connections to the controllers are though twinax cabling.

New situation:

We will be installing frame relay at each of these locations and I want to
use the frame for AS/400 connections also.

I have talked to I-O and Perle, both companies tell me all I have to do is
attach the controller to the router with the
correct cable and it will work.

Yesterday, talking to the US West representative, he asked me if I was
going to use "data switch linking" or "stun"?
I have to read documentation on these 2 protocols to determine which is
the best to use.

Questions:

I would like to hear about experiences anyone has had installing this type
of connectivity, opinions on DSL or Stun,
what has to be changed on the AS/400 to accomplish the conversion?

I would ask my IBM BP but as of 1/31/00, they closed their doors and we
have not established a relationship with
any of the other business partners in the city.

Thanks in Advance
Dave Willenborg
MIS Manager
J C Robinson Seed Company
dwillenborg@jcrob.com
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