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R2200B has BNC connector on rear ?

This forum exists for the purposes for discussing service monitors (This includes but is not limited to Motorola, HP, Aeroflex, GD, etc). Additional topics allowed include test procedures, interpretation of test results, where to find information about specific tests, antenna VSWR, return loss testing, duplexer and filter alignment, etc.

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xxx2fan
Posts: 64
Joined: Mon Oct 31, 2005 4:42 pm
What radios do you own?: HT750 Ht1250 CDM1250 CDM1550

R2200B has BNC connector on rear ?

Postby xxx2fan » Thu Apr 20, 2017 3:30 pm

Hi
I have another question I cannot find in any operators manual or service manual I have. That shows it. Have R2200A manual from Motorola Hard Copy.
There is a BNC connector and switch one the rear of the R2200B service monitor looking at the rear it's on the right side other side from fan, that I find no reference to.
Can someone help an old guy out what is it? What's it for and do.
Thanks for any information.

ljohn6
New User
Posts: 36
Joined: Sat Jan 08, 2011 12:47 pm
What radios do you own?: Kenwood,Icom,Hytera

Re: R2200B has BNC connector on rear ?

Postby ljohn6 » Thu Apr 20, 2017 7:23 pm

My guess it is for going between internal oscillator and an external 10 meg oscillator.

jry
Posts: 320
Joined: Fri Feb 06, 2004 3:14 pm

Re: R2200B has BNC connector on rear ?

Postby jry » Fri Apr 21, 2017 4:08 am

probably someone added an ext 10Mhz input with a switch to toggle between internal and external.

Just a guess though but that's where the internal 10Mhz reference is located

xxx2fan
Posts: 64
Joined: Mon Oct 31, 2005 4:42 pm
What radios do you own?: HT750 Ht1250 CDM1250 CDM1550

Re: R2200B has BNC connector on rear ?

Postby xxx2fan » Fri Apr 21, 2017 4:31 pm

Thanks I had never seen the BNC before on any info or manuals, my buddy just got 2 off of bay and they both have bnc connector and switch on rear. Both are in need of LVPS repairs.
Thanks again for the info. Guess if they don't come up will have to try the switch in other position, it's not marked.


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