Just checked, and the rack is still there, and it's a red 7-segment display, however as it's a rack mount card, the main connector is a 90deg connector, and if my frazzled brain is working enough, if it did plug in, the rows of pins would be mirrored from what you need.

You could change the connector, but I personally don't fancy unsoldering a connector with that many pins.
You can have it for the cost of postage if want, but I have no idea if it functions. It did power up and the LED did flash how it should, but that's as far as I went with it.
The firmware is a different version, however you can just swap the chips, that's provided yours isn't the problem.

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