RS232 Communications HP9000 Series 320
Roger Addy
roger.addy at charter.net
Mon Jul 8 14:17:36 CDT 2019
Thank you Carlos,
I have that cable currently and can confirm it reroutes the pinout to
RS232 standard for PCs. I can dialog with the computer, at least I
think I am. When I put it into dialog on the host, the keys I press on
the host shows on the connected PC and vice-versa. I tried sending an
ASCII file to the PC using the CMM software and all is get is the word
"PROMPT" on the PC screen. I think the host is expecting a response
from the PC. The software on the system is running a CMM. I was hoping
there is a command string that I can use to send the files in the
operating system, bypassing the CMM software. Thank you for your help.
Roger
On 7/7/2019 8:14 PM, Carlos E Murillo-Sanchez wrote:
> Roger Addy via cctech wrote:
>> Hi All,
>>
>> First post here. I have a HP9000 Series 320 computer with a HP Drive
>> system. It uses the HPL 2.1 (I think) operating system. I'm trying
>> to get some ASCII files out of the system using the RS232 port. The
>> port is female DB9, so I'm assuming it's DCE. I got an HP cable DB9
>> to DB25 which reorients the pins to PC standard RS232 DTE. I can get
>> a connection with the HP. but when I try to send a file it just shows
>> the word "PROMPT" on the PC. I'm not sure what to do at this point.
>> I'm currently using Tera Term. Any advice is appreciated.
> I have this HP cable part # 98561-61604, which I think is exactly for
> early HP9000-300 machines. It is a male DE-9 to female DB-25 cable,
> and the pinout is as follows:
>
> Male DE9 Female DB25
> -------- ----------
> 1 ---------------- 20 DTR
> 2 ---------------- 2 TD
> 3 ---------------- 3 RD
> 4 ---------------- 4 RTS
> 5 ---------------- 5 CTS
> 6 ---------------- 6 DSR
> 7 ---------------- 7 SG
> 8 ---------------- 8 CD
> 9 ---------------- 22 RI
>
> Clearly, the DE-9 is not a PC-style serial pinout.
>
> carlos.
>
>
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