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John Somers Program | Ziggr's Page
You will also need to aquire or build software to send the correct signals out the serial port. The document http://www.John-Wasser.com/OFA/SerialSoftware.html covers both where you can buy OFA control software and where to find the data that will allow you to write your own.
IBM
DB9F DB25F OFA Remote
Tx 3 2 ---/\/\/\/-------------------+------------ 1 (from PC)
1K |
+--->|---+ <--1N4148 or 1N914 etc
|
Gnd 5 7 --------------------+--------------------- 2 (Gnd)
|
+-(E
B)-----/\/\/\/----- 3 (To PC)
Rx 2 3 --------------+-------(C 10K
| 2N3904
| or
DTR 4 20 --+ | 2N4401
or --/\/\/\/--+
RTS 7 4 --+ 4.7K
(pick one)
DTR (or RTS) provides power and must be turned on (+12V) for circuit to work.
For a Macintosh 8-pin DIN connector, use
pin 3 for Tx, pin 4 for Gnd, pin 5 for Rx and pins 1 and 2 (HSK0 and HSK1) tied together
for power (DTR/RTS).
You can also find a similar diagram in JPEG form at Zig's Amazing IR Remote Control Page.
The connection holes in the remote are not usualy numbered. The above numbering is arbitrary and may not match whatever labels are provided. Below is a table that shows the order of numbering when looking into the battery compartment with the remote pointed upward:
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