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Zellweger Uster TCA-C

The first you notice on the front is of course the thermal printer which takes up the entire lefthand side.
At the righthand side we have a 7segment display(12digit long), a keypad with a vertical row of LEDs with function names beside them, a rotary function selector, and at the bottom a keylock, power connector and a D15 connector marked 'Exchange'.(This is probably to hoo it up to a telephone exchange?)
IT may not be immediately obvious, but the keys have been filed so that when one is in the lock, it doesn't protrude beyond the protective side panels.
[Front][Back][Innards][Innards]

Power:
DC? In.
Production year: 1984OS: - Undefined -
Type: Test equipmentRAM: 6KBDisplay: None

TCA-C Telephone Call Analyser

I really wish I knew more about this piece of equipment.

The date is a guess based on some stickers on modules inside the unit. The RAM amount is based on the fact that I found 6 x 4118P (1KB) RAM chips on one module. Strangely enough, I didn't see any RAM on the CPU card.


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