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Search found 59 matches

by gtriever
Sun Oct 11, 2015 2:39 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Astro Spectra Consolette, Accessory 3 ?
Replies: 0
Views: 2623

Astro Spectra Consolette, Accessory 3 ?

For the Astro Digital Spectra Consolette, the manual lists Accessory 3, pin 13 as [EMER - Activates emergency MDC1200 transmission] and Switch 101 - 3 on the TRC board as [ON - EMER active high] or [OFF - EMER active low] . Has anybody here used this feature, and if so, how is it configured both in ...
by gtriever
Sun Aug 23, 2015 2:58 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: So Who Here Uses A Motorola Smartphone?
Replies: 6
Views: 1191

Re: So Who Here Uses A Motorola Smartphone?

I had this same conversation with some coworkers a few days ago; the general consensus is that while other brands may have some great features, for audio quality and receive sensitivity Motorola wins hands down. My work phone and my personal phone are both Motorola, and my next phone will probably b...
by gtriever
Sat Jul 18, 2015 2:07 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 no TX repeat audio
Replies: 14
Views: 2002

Re: MTR2000 no TX repeat audio

I'll echo Bill again. I didn't know such an animal actually existed (MTR manual w/ schematics). Thanks for the part numbers!
by gtriever
Thu Jul 16, 2015 4:38 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 no TX repeat audio
Replies: 14
Views: 2002

Re: MTR2000 no TX repeat audio

Bill_G wrote:Really? You have schematics?


<echo> Yeah, really?
by gtriever
Fri Feb 13, 2015 3:26 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Radio Shack Closing - Remaining Electronic Parts Sources?
Replies: 26
Views: 4318

Re: Radio Shack Closing - Remaining Electronic Parts Sources

In my neck of the woods, it used to be Warren Radio up to the '80s. When they closed, the manager bought out the stock and opened his independent business, Hughes Electronic Supply. Happily, he's still in business today.
by gtriever
Sat Jan 03, 2015 4:53 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Number for a test cable for punch block
Replies: 6
Views: 715

Re: Number for a test cable for punch block

For single-pair testing we mostly use the one that Bill's shown on the right in the above picture. If you want to expand your adapter "arsenal", you might also look into the TAP-110-A4 (110-block adapter, T568B) and the TESTAR8A-C5 (66-block adapter, T568B), as well as some Banjo (MODAPT) ...
by gtriever
Tue Nov 04, 2014 3:34 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: apx 7500 consolette and centracom gold elite
Replies: 3
Views: 606

Re: apx 7500 consolette and centracom gold elite

Welcome to the wonderful world of Motorola. In addition to programming, it may also be your cable configuration, especially if you use T568B pinouts for your connections as we do. While the XTL is usually wired for a straight-thru Ethernet cable (pins 5-4,1-2) the APX consolette jack is wired for a ...
by gtriever
Mon Oct 27, 2014 4:41 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Dulplexer question
Replies: 66
Views: 4562

Re: Dulplexer question

I like those old Decibel Duplexers in your first auction link. Built like tanks and easy to tune. I agree with everybody else, good cables/connectors are critical. In fact, we use 1/4" Superflex for our jumpers from Duplexer to Radio, and 1/2" from Duplexer to antenna feedline.
by gtriever
Thu Oct 09, 2014 3:01 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Coverage loss due to Narrow Banding
Replies: 18
Views: 1355

Re: Coverage loss due to Narrow Banding

Bill's given some good advice here, as he always does. The only thing I can say is document, document, document and keep a paper trail including emails to your higher-ups.
by gtriever
Fri Oct 03, 2014 1:27 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Gold Elite Console Intermittent Beeping
Replies: 5
Views: 1307

Re: Gold Elite Console Intermittent Beeping

You might also want to monitor the wireline to see if you have it there. Just a SWAG, but could it be a station intermittently going into battery backup?
by gtriever
Tue Sep 23, 2014 2:51 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Newer XTL5000 Consolettes
Replies: 6
Views: 1266

Re: Newer XTL5000 Consolettes

I'm confused, and seeking advice and/or input... Even though it is too late on this last job, I'd still like to know for the future what we might have done wrong. Any ideas from all of you gurus out there? Thanks, Shooter Please accept this in the spirit with which it is intended, as constructive c...
by gtriever
Mon Sep 01, 2014 3:53 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: APX-7500 Speaker Output
Replies: 31
Views: 3415

Re: APX-7500 Speaker Output

Jim and Bill have pretty much summed it up. Without adding a TTP box as part of your interface, I see no way to do what you're wanting to do.
by gtriever
Sat Aug 30, 2014 3:50 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: APX-7500 Speaker Output
Replies: 31
Views: 3415

Re: APX-7500 Speaker Output

Well then, what actual radio is inside this APX7500 desktop consolette? If we end up interfacing with a Motorola brand desktop (non-mobile) consolette (pretty much doesn't matter what model at that point, nor which radio is inside of it), then yes, we'll make sure that they have an TRC, and that ma...
by gtriever
Fri Aug 29, 2014 5:48 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: APX-7500 Speaker Output
Replies: 31
Views: 3415

Re: APX-7500 Speaker Output

I think we still need to know what it is exactly that you have. There's no such animal as an XTL-7500; the 7500 is an APX series radio. I THINK you're wanting to interface an APX7500 mobile radio to your system... in which case I would probably add a 4-wire Tone Termination Panel to it. That way, it...
by gtriever
Thu Aug 28, 2014 2:18 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: APX-7500 Speaker Output
Replies: 31
Views: 3415

Re: APX-7500 Speaker Output

The "telephone pbx" thing is what's throwing me here. Other than that, and some strange terminology, it sounds like a typical dispatch console setup using TRC. I can answer one question: Motorola "changed the nomenclature of the consolettes" because the APX7500 consolette replace...
by gtriever
Thu Aug 21, 2014 3:08 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Gold Elite BIM Card Levels
Replies: 3
Views: 494

Re: Gold Elite BIM Card Levels

It is not a peak limiter. A perfect example is the paging tones generated from the BIM. With the pot set to -10dB, generated paging tone levels will range from approximately -1dB to -8dB.
by gtriever
Sun Jul 13, 2014 8:06 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GTR Wire Line
Replies: 10
Views: 885

Re: GTR Wire Line

You still incorrectly assume that I'm advocating double-terminating the darned circuit in the final stages. Thank you though, for proving my point that a bridged TIMS and a terminated TIMS will display a different level. Lastly, maybe you could learn sometime from us old-timers... like comprehending...
by gtriever
Sat Jul 12, 2014 12:19 pm
Forum: Vehicle Radio Installs
Topic: Anybody evr flush mount (split) motorola speaker
Replies: 12
Views: 3591

Re: Anybody evr flush mount (split) motorola speaker

Thx guys, the boat pics are a start for sure, gonna be a pain to line up screws on backside of speaker to be straight!!! Any other pics will be helpful, thx again all. Kevin Here's an easy way to line up the screw holes: (1) With a small carpenters square mark 2 points down from the top edge of the...
by gtriever
Sat Jul 12, 2014 12:07 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GTR Wire Line
Replies: 10
Views: 885

Re: GTR Wire Line

I can assure you that with 30 years of experience with Tone Remote Circuits I am definitely "adjusting it correctly". If it needs more clarification to make what I've been saying more clear: I see a slight difference in level when bridged across a console to radio circuit as opposed to con...
by gtriever
Sat Jul 12, 2014 2:31 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GTR Wire Line
Replies: 10
Views: 885

Re: GTR Wire Line

I'm in complete agreement with you about the effects of "double terminating" a circuit. The only thing I've seen is, as I stated, a difference in recorded levels between bridged mode and terminated mode on the TIMS units that I've been provided with. If you guys don't see it with your equi...
by gtriever
Fri Jul 11, 2014 2:06 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GTR Wire Line
Replies: 10
Views: 885

Re: GTR Wire Line

My agency typically uses -6dB for a level, unless paging is involved. Others will recommend -10dB, which I personally feel is better. I disagree with Jim that the TIMS should be used in bridge mode, however. I've seen an error as great as 1.5dB in bridged mode. I would set the equipment up while it'...
by gtriever
Wed Jul 09, 2014 2:07 am
Forum: Vehicle Radio Installs
Topic: Anybody evr flush mount (split) motorola speaker
Replies: 12
Views: 3591

Re: Anybody evr flush mount (split) motorola speaker

No, but I think it would be awesome. I do remember seeing this done with a Maxtrac; so only the front portion of the radio was visible. It looked, well, awesome. Off the top of my head, just pull the speaker apart by taking out the 4 corner screws, then layout the mounting hole pattern on the plate...
by gtriever
Sat Jul 05, 2014 2:30 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Wattage output versus tx range ?
Replies: 37
Views: 3043

Re: Wattage output versus tx range ?

I'd run away from this one. Far, far, away. If he even thinks he's going to lose range by narrowbanding, then no matter what you do he's going to lose range in his mind, and you'll never hear the end of it. Been dere, done dat...
by gtriever
Thu May 15, 2014 1:39 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 Tx Wireline Levels
Replies: 3
Views: 741

Re: MTR2000 Tx Wireline Levels

Thanks, Bill. Out of the 100 plus MTR2k stations we have installed I knew I'd seen this once before, but couldn't for the life of me remember how to recover. Since we're sending QCII, we were already using -10 from the BIM as a reference, but wanted to knock it down a little because, as you know, Mo...
by gtriever
Wed May 14, 2014 12:07 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MTR2000 Tx Wireline Levels
Replies: 3
Views: 741

MTR2000 Tx Wireline Levels

We have an MTR2000 that's suddenly developed a wireline level issue. The station was initially set up with a -10dB reference for 100% deviation. Tx deviation at that point was 1.87k with a -10dB 1kHz signal. It was decided to realign the wireline card with a -6dB reference level for 100%. After the ...
by gtriever
Thu Feb 13, 2014 3:40 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Tone control Mystery Theatre
Replies: 17
Views: 1206

Re: Tone control Mystery Theatre

We specify 0/0 in part because we run a mixed microwave/leased line system and it simplifies adjustments and troubleshooting. Honestly, with a 0dB level we rarely see any issues. Usually when we do it's because the "phone guy" has dropped a +8 on us. As far as tone remote levels, we run 0/...
by gtriever
Wed Feb 12, 2014 2:21 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Tone control Mystery Theatre
Replies: 17
Views: 1206

Re: Tone control Mystery Theatre

I don't like that -14dB loss, Bill. When dealing with leased lines, we always specify a 0dB/0dB circuit. I'd take a look at the keying sequence at the remote and at the site with a storage scope, to see how much distortion is on the function tone.
by gtriever
Fri Jan 03, 2014 3:22 am
Forum: Radio Programming
Topic: RIB or PC problem?
Replies: 7
Views: 1230

Re: RIB or PC problem?

Two RIBs and one COM port in common, sound like a COM Port issue. Especially since the RIB(s) work with a different machine. Can you go into Device Manager, uninstall the COM Port and reboot?
by gtriever
Wed Jan 01, 2014 3:37 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: 2175 filter for a pa system
Replies: 4
Views: 517

Re: 2175 filter for a pa system

I agree. Use the logging recorder outputs.
by gtriever
Sat Aug 24, 2013 2:38 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: QC Paging on XTL 5000
Replies: 4
Views: 793

Re: QC Paging on XTL 5000

If 'everybody' has this problem, it points back to the infrastructure equipment; console, transmitters, whatever is between the console & transmitter (phone lines, control station, etc.) It could also point to the tech not knowing how to properly set up the equipment in question. To the OP, kno...
by gtriever
Sun Mar 17, 2013 3:10 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Repeater Advice
Replies: 57
Views: 3118

Re: Repeater Advice

Hello guys, I have secured a DB-410D antenna (I only have the bottom piece that I'm installing) and show about a 1.3 SWR on where it needs to be but now looking at the top of the tower there doesn't appear to be ANYTHING that I can secure it to on the top other then the vent at the center top of th...
by gtriever
Fri Feb 08, 2013 3:17 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: ITA2000 Tone Remote Question
Replies: 10
Views: 1741

Re: ITA2000 Tone Remote Question

I believe you may be having this RX audio problem due to line loss of the wire your using . I would not run it down telco or multi strand cable more than 200ft. or so. When we run tone remotes across a city using the old Ma Bell copper telco lines the phone company puts cards on them to "condi...
by gtriever
Mon Jan 07, 2013 8:44 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Centracom Gold Elite Tones
Replies: 2
Views: 359

Re: Centracom Gold Elite Tones

Gold Elite sorts group pages alphabetically. Rename accordingly.
by gtriever
Sun Jan 06, 2013 7:07 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Tone Remote keying generators
Replies: 15
Views: 2096

Re: Tone Remote keying generators

Here you go, Rob.

Image
by gtriever
Tue Jan 01, 2013 3:10 am
Forum: Motorola Digital and Voice Paging
Topic: OT: Selectone Encoder
Replies: 2
Views: 503

Re: OT: Selectone Encoder

Thanks for the reply, Richard.

The ST-230 is a desktop ENCODER, not a decoder as is the ST-200. I've already been to the site and can find no info on the -230, as you pointed out. Also, I emailed Selectone tech support a day or two after posting here; I still have had no reply.
by gtriever
Sat Dec 29, 2012 8:46 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantar/Repeater Keying Problem
Replies: 5
Views: 434

Re: Quantar/Repeater Keying Problem

You might check the cables and connections between the CEB Interface and the Comparator. You may also want to check the punch block(s) and the bridging clips, of all things. Believe it or not, I've actually seen both go intermittent and create issues.
by gtriever
Sat Dec 29, 2012 2:54 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Tone Remote keying generators
Replies: 15
Views: 2096

Re: Tone Remote keying generators

kb4mdz, I think you misunderstood. I don't need to test the Tone Remote, the CLT-500 takes the place of a tone remote for testing wireline functions to the base/control station. You can generate Guard Tone, Function Tone, Xmit Burst, Function Burst, etc; the output is variable via a pot on the front...
by gtriever
Fri Dec 28, 2012 5:39 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Tone Remote keying generators
Replies: 15
Views: 2096

Tone Remote keying generators

I have used, for years, a Comtest Systems (Industrial Electronics) CLT-500 tone remote tester. Some of you old-timers may be familiar with it, while you new guys will go 'Huh?' For those of you who are familiar, do you know of any vendor who's currently marketing something similar?
by gtriever
Wed Dec 19, 2012 6:39 pm
Forum: Motorola Digital and Voice Paging
Topic: OT: Selectone Encoder
Replies: 2
Views: 503

OT: Selectone Encoder

I've "discovered" a Selectone St-230 desktop two-tone encoder that's been buried in my shop for years. Does anybody out there have a manual, and would you be willing to scan it for me? I'd like to put this thing back into service as part of my toolkit.

Thanks.
by gtriever
Mon Dec 17, 2012 2:37 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Tone Remote Function Tones
Replies: 11
Views: 1729

Re: Tone Remote Function Tones

Just goes to show that when it comes to "standard", sometimes it's not.
The Astro Spectra/XTL5000 consolettes are certainly a perfect example of that; so is M's configuration of the RJ45 wireline connection on the APX7500. Yet more good reasons to keep good documentation.
by gtriever
Mon Dec 17, 2012 11:11 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Tone Remote Function Tones
Replies: 11
Views: 1729

Re: Tone Remote Function Tones

Please excuse the typo in my first post; I have manuals on a 4024. Anyway, from the Tone Remote Function Definition (Appendix A-1), Zetron only defines up to 8 frequencies for Tone Remote, with anything else being a Custom Tone configuration. Keep in mind this is from 1994. They're listed as below: ...
by gtriever
Mon Dec 17, 2012 3:29 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Tone Remote Function Tones
Replies: 11
Views: 1729

Re: Tone Remote Function Tones

Rob, in my 30 years of two-way radio, the 8-channel scheme has always been more or less the "industry standard", and that's still the way we set up our equipment. I agree with BillG's thinking about the guard bands. I have some manuals for the old Zetron 4028 console, and will see what I c...
by gtriever
Sun Sep 23, 2012 4:02 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: SNV 12 VOTER PAGING ISSUES
Replies: 23
Views: 833

Re: SNV 12 VOTER PAGING ISSUES

And if you're using leased lines, make sure some telco moron hasn't set the gain at +8 through their system. I see this all the time from a local provider, so much so that I finally threw up my hands and just padded the darned thing at each end.
by gtriever
Mon Mar 26, 2012 7:00 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: SNV-12 Voter audio issues on a 2.5khz system
Replies: 14
Views: 1543

Re: SNV-12 Voter audio issues on a 2.5khz system

STARS has worked pretty well for us in the past. As a fallback, we do try to have the Tx Default site be as centrally located as possible. I agree neg 10 would be easier to remember, but I don't get to make that decision...
by gtriever
Sun Mar 25, 2012 3:11 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: SNV-12 Voter audio issues on a 2.5khz system
Replies: 14
Views: 1543

Re: SNV-12 Voter audio issues on a 2.5khz system

Gotta admit I don't understand jwwissman's issue either. In my case, I just finished installing a system that has four sites with four MTR2000 radios per site, linked via a digital microwave system back to four four-channel STARS-enabled SNV-12s. 1950 Status tone used on all radios, output at -12dBm...
by gtriever
Sat Mar 17, 2012 1:35 am
Forum: Test Equipment & RF Equipment Alignment
Topic: AEA Technology
Replies: 2
Views: 368

AEA Technology

Is anybody familiar with AEA's line of test equipment? I'm specifically looking for info on the following two models in their product line:

(1) 140-525 Analyzer

(2) 20/20 TDR
by gtriever
Thu Feb 16, 2012 1:56 am
Forum: Test Equipment & RF Equipment Alignment
Topic: Motorola R-1034B replacement options?
Replies: 3
Views: 708

Re: Motorola R-1034B replacement options?

Americtec would be an excellent choice. Another is the ElectroData ATS 2.
by gtriever
Tue Jan 24, 2012 3:15 am
Forum: Vehicle Radio Installs
Topic: 2012 F350 question
Replies: 3
Views: 1599

Re: 2012 F350 question

I hate to disagree (especially when asking for info), but we've done it time and time again, with Dodge Rams, Chevy Tahoes, and Ford Crown Vics, Explorers and Expeditions. Once we have a template our "final" measurements are always taken from the centerline of the roof, starting at the top...
by gtriever
Sun Jan 22, 2012 3:54 am
Forum: Vehicle Radio Installs
Topic: 2012 F350 question
Replies: 3
Views: 1599

2012 F350 question

Has anybody done an install on a 2012 F350 crew cab? Specifically, what I'm looking for is the location of and spacing between the roof ribs for multiple antenna placement, without having to drop the headliner myself.
by gtriever
Sun Jan 22, 2012 2:17 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Spectra 110w Power Supply
Replies: 8
Views: 1397

Re: Astro Spectra 110w Power Supply

You might also look at the Duracomm DPS switching power supplies.

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