Re: Ogo modem cable lay out

horzel@xs4all.nl
Wed, 14 Aug 1996 23:13:25 +0200

pasw_cs@euronet.nl wrote:
>
> Which pins have to be connected on a db-9 and db-25 cable for an Ogo to modem connection.
> I'm working on a homebuilt cable straight from tho Ogo into a pocket modem (who wants to carry a pound of cable and adapters around?).
>
> Thanks

This might be interesting for everybody :
-----------------------------------
DB 9 DB 25 OGO
------- ---------- --^--
\1...5/ \1.....13/ 12345
\6.9/ \14..25/ 67890
--- ------ -----

DCD Data Carrier Detect 1 8 nc
RD Received Data 2 3 2
TD Transmitted Data 3 2 3
DTR Data Terminal Ready 4 20 nc
SG Signal Ground 5 7 5,10
DSR Data Set Ready 6 6 nc
RTS Request To Send 7 4 7
CTS Clear To Send 8 5 8
RI Ring Indicator 9 22 nc

For a null-modem connection to a PC I just used three lines :
RD-RD, TD-TD and SG-SG

For a connection to a modem you should change that into :
RD-TD, TD-RD and SG-SG
-----------------------------------