Re: AS400 async communications with a Nortel DMS100 telephone switch

The 7855 can have a stored number dialed out automatically, when the dtr
goes ready.
Also, it can be programmed to send out control characters, which may
solve  the 'break' problem.
You can't get fast, and easy answers with this modem, you just have to
slog through the manual, and test the hell out of it..
Ken

"McKerlie, Robert" wrote:
> 
> We are using our AS400 to transfer records from a Nortel DMS100 telephone
> switch into an AS400 billing system.
> 
> We have established a dialup async line between the AS400 and the switch
> using 2 IBM 7855 modems. We can't get the line to automatically dial the
> remote modem but it can be done manually which works for now.
> 
> The modems will connect with each other and the RPG program needs to send a
> 'BREAK' to start the terminal session. Once the switch receives the BREAK,
> it will begin a terminal sessions which allows the RPG program to logon and
> retrieve records. This same program runs just fine against another local
> switch but through a direct connect line using line drivers.
> 
> We have used STRITF to test the definitions, line and modems. ITF has a
> built in BREAK function which works fine.
> 
> The BREAK is either getting garbled or lost as the switch doesn't start the
> session and the program just sits waiting.
> 
> We're stumped........       Any suggestions would be greatly appreciated...
> 
> Thanks, Bob.
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-- 
Best Regards
Ken Shields
Home phone: 905 404-2062
Bus  phone  905 725-1144 (326)