NEC PC 8201A Accessory?

From: Sam Ismail <dastar_at_crl.com>
Date: Wed Jun 18 01:56:10 1997

On Tue, 17 Jun 1997, Marvin wrote:

> I have another strange device. This one is called a Channel Tester,
> Ser. No. 55263, and a date of 1985-4. It has a series of BNC connectors
> on the face labeled "Tx Audio", "RX Audio", "Spk", "Voice Tx Test",
> "Voice Rx Test", "Mod", "Disc", "RSSI", "NRZ Data", and "Bit CLock". I
> got it attached to an NEC PC 8201A (as I recall) TRS-80 Model 100
> clone. It also has a male and female Centronix interface plugs on the
> side away from where it attaches to the 8201A. Does anyone have any
> idea what this thing is? Thanks!

I would almost say its a T-1 circuit tester but the "NRZ Data" connector
throws me off. NRZ is probably Non-Return to Zero but its no T1
parameter I've ever heard of.

Sam
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Received on Wed Jun 18 1997 - 01:56:10 BST