Group,
I have another mystery card here. It came from a Micor station and says "MULTI PL DECODER" on the front and has four reeds in it. The part number is TLN5745A. I have a gob of Micor manuals but this one I can't find. Anyone have any tech data on this they'd care to share?
Thanks,
Al, K9SI
I have two of those cards (one in service and one spare), but my docs evaporated.
Call Moto Parts ID and give them the TLN number, they were able to fax me
the schematic of the card. Unfortunately I loaned my Micor repeater binder out
about 2 years ago and I had to retrieve it under rather unpleasant circumstances
and it came back missing about 1/5 of the contents, and the docs on that card
was part of what was missing. This is one reason that I no longer loan stuff out...
I will meet anyone at a xerox shop somewhere but my originals arrive and leave
with me...
As I remember the card goes in the single-tone decoder slot of a Micor control
chassis and provides 4 PL decoders in addition the one in the RX chassis.
I modified the card by adding 2mm LEDs above each switch and a DB-9 female
on the front plate. The LEDs and the DB-9 outputs were driven by NPN open
collector drivers I added to the board.
We needed to allow 146.2hz all the time and to enable 100hz and 127.3 as needed.
A small relay board was controlled by digital outputs on the Scom 7K and the
enabled PLs were diode ORed to the PL input to the 7K. A TS-32 was controlled
by the 7K and sent 146.2 or 100hz as needed.
If you get usable docs from Moto please send me a copy for repeater-builder.com
Mike WA6ILQ
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