27 Jun
2001
27 Jun
'01
1:36 a.m.
I picked up a TI Silent 700 model 707 recently (a
nice, small variant
with built-in modem, see http://pobox.com/~fmw/misc/Silent700.jpg),
with hopes of converting to use as a direct line serial terminal.
Before I open it up and poke around, does anyone already know how to
do this? Portwise, there are two RJ11 ports (phone&wall) and a 6-pin
acoustic coupler port of unknown pinout.
I suspect it's possible, but I've left mine alone and instead
sought other model Silent 700s for use as serial terminals.
One of my 707s has the coupler; I'll see if I can't determine
the pinout for you, but IIRC, the connector carries audio
only.
Regards,
-doug q
27 Jun
27 Jun
3:09 a.m.
Quoting Douglas Quebbeman <dhquebbeman(a)theestopinalgroup.com>om>:
I suspect it's possible, but I've left mine
alone and instead
sought other model Silent 700s for use as serial terminals.
Does anyone have a good list on the different 700s ? I'd love to
know the announcement dates too.
I have a 745 (I think...) and it has plain normal RS-232 but it's
possible to create a fake telephone line (at least a european style)
with a transformer and some passive electronics. Epanorama had some
schematics.
--
jht
28 Jun
28 Jun
6:43 a.m.
Thanks for all of the replies regarding this terminal. If I can
sucessfully convert it to RS232, I'll post the results.
FWIW, it appears to have been manufactured in 1984 and uses a TMS99532
single-chip 300 baud modem internally.
Fredric
27 Jun
27 Jun
6:08 a.m.
On Wed, 27 Jun 2001, Douglas Quebbeman wrote:
One of my 707s has the coupler; I'll see if I
can't determine
the pinout for you, but IIRC, the connector carries audio
only.
I used to have a Silent 700, no recollection of what sub-model it was.
It had an acoustic coupler, and had a D15 connector. A little research
turned up that the D15 carried BOTH RS232 compatible signals to/from the
terminal, AND RS232 compatible signals to/from the modem! There was a
jumper inside the machine that connected the two. By removing that
jumper, it was possible to plug in a jumper plug for "normal" operation,
or, with a homemade cable, I used the modem on a TRS-80, AND used the
terminal as a serial printer.
--
Grumpy Ol' Fred cisin(a)xenosoft.com
8935
days inactive
8936
days old
3 comments
4 participants
participants (4)
-
cisin＠xenosoft.com -
dhquebbeman＠theestopinalgroup.com -
fwhite＠pobox.com -
jarkko.teppo＠er-grp.com