Mark,

I did a little research on the 3rd Street site, and I am convinced that you
have a community repeater.  The manual you need is 6881025E55, which
supplements the 6881025E50 manual that you already have, for the basic
station.  It is NLA from Motorola Parts, but one is available on eBay as
Item Number 260214404023.

73, Eric Lemmon WB6FLY
 

-----Original Message-----
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of n9wys
Sent: Sunday, July 27, 2008 4:56 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] UHF MICOR Unified Chassis

I looked at 7 of the 14 chassis I have; the ones I looked at were *all*
TRN6421 - including those with what appeared to be the Zetron interface
wiring.

The labeling for the card cage is as follows (again, listed from right to
left):

TOT
STN CONT
SQUELCH GATE
SINGLE TONE DECODER
MASTER DECODER
FOUR USER CONTORL MODULE \
FOUR USER CONTORL MODULE \
FOUR USER CONTORL MODULE > Yes, 4 slots labeled the same
FOUR USER CONTORL MODULE /
DIODE LOGIC
MULTI PL ENCODER
MULTI DLP ENCODER

Mark - N9WYS

-----Original Message-----
From: Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> 
[mailto:Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> ] On Behalf Of Joe Burkleo
Sent: Sunday, July 27, 2008 6:37 PM
To: Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> 
Subject: [Repeater-Builder] Re: UHF MICOR Unified Chassis

Mark,
I agree with Eric, you are aways away from cutting and hacking on
traces until we can identify exactly which backplane board you are
working with.

Most of the time that I have seen the TRN prefix, it usually has been
tied to the PURC series of radios. Are all of your backplane boards
that you have, this same model number?

On the backplane board what are the cards slots labeled as? Knowing
this information may help identify what the original station service
type was.

Joe - WA7JAW

--- In Repeater-Builder@yahoogroups.com
<mailto:Repeater-Builder%40yahoogroups.com> , "n9wys" <[EMAIL PROTECTED]> wrote:
>
> OK - I'm now home from work and have had an opportunity to look at the
> station. The backplane has the following number printed on it: 
TRN6421A
> 
> Motorola parts identifies it as: BD INTCONN --- "*This item has been
> cancelled"
> 
> This is all I can seem to find about it right now...
> 
> And Eric, these are the manuals I currently have:
> Control and Applications Manuals: 68P81025E60-E and 68P81025E60-F
> MICOR Base and Repeater Stations Manuals: 68P81025E50-G (12W to 75W
> stations) and 68P81039E55-A (200W and 225W stations)
> 
> Mark - N9WYS
> 

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