I think that this is a Racal-Vadic 1600-series modem bank.
It was a rackmount unit that had slots for up to 16 (typically Bell 202)
You will have to scroll down about 2/3rds from the top of the page to
The photo shows units that are very similar if not identical to what is
shown in your photo.
From: cctalk [mailto:cctalk-bounces at classiccmp.org
] On Behalf Of Jay
Sent: Thursday, April 30, 2015 3:06 PM
To: cctalk at classiccmp.org
Subject: HP (3rd party) id help?
I don't think I ever asked this here, I apologize if this is a repost
ago. I don't remember the answer in any case!
In high school we had an HP 2000/Access system, and in one of the
a non-HP modem or leased line unit that supported
ish ISTR). I remember there was a row of silver rocker
channel). I think there was a rotary thumbdial on the
numbers on it
to select the line, and maybe an LED above each rocker
switch to show
lines were in use. Maybe (not sure) there were some
status LEDS on the
right that showed status for whatever line was selected with the
I have a picture of the system racks at
In the dual bay HP on the right, it is the left rack, 2nd from the
under the 2748B paper tape reader and just above the
7900A disc drive.
I was curious if anyone recognized definitively what brand/model that
Most unfortunately, that picture includes me holding a trophy for a
programming contest and it shows I once was thin, once had hair, and
had acne LOL Kinda wish I had cropped it before
uploading :\ I
the fuzziness, it's a picture of a picture and the
best I could get.
period is roughly 1978-1982, and I think the system
was a few years
already at the beginning of that period (was probably
used and put
from parts at other schools).
Anyone know for sure on the comm device?