Help with two Classic tester's

From: Keys <jrkeys_at_concentric.net>
Date: Sat Feb 1 19:45:01 2003

I picked up two testers and need help finding info on them. One is a black
UART tester made on metal and is 14"x10"x6". On the top panel are all the
switches with large labels such as INTERRUPT INPUTS, DISCRETE INPUTS, and
REU ANALOG INPUTS. These are the smaller labels under each switch D.GND,
WRITE/READ UART A REGISTERS, PWB CONNECTOR, WRITE/READ UART B REGISTERS,
VIDEO SELECT VSYNCA/VSYNCB ON, LOW VOLTAGE ALARM INPUT ON, WR/RD, EOC
INTERRUPT, ACD INTERRUPT, UART B INTERRUPT ON, UART A INTERRUPT ON, PWB DC
CURRENT (+5V), RESET, COMPANSATION DISABLE, SELF TEST REQUEST. REU/DU HOT,
VREF/VS, and 0.012/0.25/0.50. On the front panel are a power switch with
selects for INTERNAL or POWER SUPPLY SELECT, MAIN POWER ON switch with red
light. On the back panel we have a 25 pin connector, External Power
connectors +12, A.GND, -12, and +5, a Fuse, and plug for a power cord.
There is no ID labels anywhere on this black box. Any leads?

The second tester is a Field Test Unit for old tape drives made by Magnetic
Peripherals Inc. part of Control Data. Has equipment ID of TB303A, Series
code of 11, PN 75255003 and is this thing every heavy close to 50 pounds in
a special carrying case. Any help on this one? Thanks in advance.
Received on Sat Feb 01 2003 - 19:45:01 GMT