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Search found 261 matches

by 515
Sun Sep 10, 2017 7:10 pm
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: SLR5700 GPIO PL/Talkgroup Detect Function
Replies: 3
Views: 218

Re: SLR5700 GPIO PL/Talkgroup Detect Function

That's what I was afraid of. Thanks for confirming that, though.
by 515
Tue Sep 05, 2017 7:14 pm
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: SLR5700 GPIO PL/Talkgroup Detect Function
Replies: 3
Views: 218

SLR5700 GPIO PL/Talkgroup Detect Function

Does a SLR5700 GPIO pin programmed to the PL/Talkgroup Detect function do anything in the digital mode? I tried it with one here running R02.07.00.04, and wired a 2k ohm resistor between the GPIO pin and ground (since it's an open collector output), and only see a logic state change in the analog mo...
by 515
Thu May 25, 2017 6:03 pm
Forum: Smartnet/Smartzone/Project 25 (Phase I/II) Systems
Topic: Motorola P25 800 system encryption patching
Replies: 4
Views: 476

Re: Motorola P25 800 system encryption patching

You'll probably need multi-key capability. From what I remember, the consoles and subscriber radios would use a different key when the talkgroup is patched to another. Look in the APX CPS under the trunking system's "Secure/Multikey" section down at the bottom of the trunking system's page...
by 515
Thu May 25, 2017 5:48 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: 4 Wire over Ethernet
Replies: 11
Views: 913

Re: 4 Wire over Ethernet

These are what we have been looking at:
http://www.tccomm.com/FiberOpticProduct ... tact-to-IP

Haven't tried them yet, though...
by 515
Mon Apr 17, 2017 7:16 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: GTR8000 & DIU alternatives?
Replies: 22
Views: 1014

Re: GTR8000 & DIU alternatives?

It's actually the "Astro modem" that sends both P25 and analog traffic down the same 4-wire interface. The DIU only does the vocoding, converting analog audio to/from a tone remote or locally connected console into the P25 IMBE/AMBE format and adding the necessary information to make full ...
by 515
Wed Apr 05, 2017 8:32 pm
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: MTR2000 to MTR3000 upgrade
Replies: 1
Views: 261

MTR2000 to MTR3000 upgrade

I'm aware of the T2003A upgrade kit consisting of the exciter, receiver, control module, and front panel. But I'm not clear on which PA's are compatible with TRBO. Can the X540 MTR2000 100 watt UHF PA work with TRBO when the T2003A upgrade kit is used, or does it need to be an X340MT PA? It's the 43...
by 515
Fri Feb 10, 2017 8:45 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: DIU UCM Installation
Replies: 4
Views: 530

Re: DIU UCM Installation

No, the UCM used in mobile and portable radios is completely different that the DIU encryption cards. The DIU encryption card is unique to the DIU, and not found in any other equipment.

Yes, the DIU can do AES if equipped with the appropriate encryption card.
by 515
Fri Jan 20, 2017 12:46 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantar exciter alignment
Replies: 12
Views: 1602

Re: Quantar exciter alignment

I've never used a 3550R, but I would try and set it for measuring "peak" deviation with the IF bandwidth set between 60 kHz and 100 kHz for the deviation measurements.
by 515
Mon Jan 09, 2017 5:57 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Saber Small Hi-Capacity Battery Recommend
Replies: 86
Views: 15488

Re: Astro Saber Small Hi-Capacity Battery Recommend

So you've never had them shut down prematurely like a few others on here have reported? What charger do you use with them?
by 515
Thu Jan 05, 2017 1:10 pm
Forum: MotoTRBO Repeaters, Trunking, and Site Infrastructure
Topic: Mobile Repeaters and NAC's
Replies: 4
Views: 690

Re: Mobile Repeaters and NAC's

Those Futurecom DVRS units can vary quite a bit, as they are pretty much designed for a customer's specified frequency configuration. They often include filters to prevent the mobile radio and mobile repeater from de-sensing each other, so purchasing a used one would be risky. The filters might not ...
by 515
Wed Dec 28, 2016 7:20 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Saber Small Hi-Capacity Battery Recommend
Replies: 86
Views: 15488

Re: Astro Saber Small Hi-Capacity Battery Recommend

Good to know. Thanks for the update.

Anyone else buy one of those short Power Products or CutRate Li-Ion batteries recently? Do they ever "shut down" prematurely, or did sjxts3000 just happen to get a bad one?
by 515
Wed Dec 28, 2016 9:37 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Saber Small Hi-Capacity Battery Recommend
Replies: 86
Views: 15488

Re: Astro Saber Small Hi-Capacity Battery Recommend

So did you send it back and get a replacement M344L1-D, or go with something else? I'd like that really short one, but if they're likely to have that early shut down issue, maybe this one would be better: http://www.tac1comms.com/honeywell-h8818-li-battery-replacement-1950mah-li-ion-64509-p.html?UMP...
by 515
Wed Jan 15, 2014 2:46 pm
Forum: Computer/Technical Assistance
Topic: Prolific USB to Serial driver issues
Replies: 1
Views: 1166

Prolific USB to Serial driver issues

I used a Prolific USB to serial adapter with a Win XP Pro laptop, and it worked great for years. Then I lost the adapter, but had a similar one (also Prolific chipset) lying around that I thought I'd use instead. This new one is made by ATEN, and of course asks for a new driver when it's plugged in....
by 515
Thu Nov 21, 2013 7:49 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: DIU3000 data output question
Replies: 3
Views: 703

Re: DIU3000 data output question

The DIU does output the talkgroup, unit ID, and emergency status via the "Centracom Signalling Link", which is a subset of pins on one of the DB-25's on the back. It's 9600 baud asynchronous data, but the protocol/format is proprietary. If I remember right, it periodically sends a byte or ...
by 515
Tue Oct 29, 2013 1:41 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Saber 3 on RX cuts the morse code ID of a ham repeater
Replies: 11
Views: 1068

Re: Astro Saber 3 on RX cuts the morse code ID of a ham repe

If the morse tone frequency is close enough to those used by MDC-1200 signalling (1200 or 1800 Hz), the radio may be fooled into thinking it's an MDC-1200 message, and trying to mute it. If you have MDC-1200 signalling enabled on that personality, you might try disabling the Data Operated Squelch or...
by 515
Mon Sep 09, 2013 12:59 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: quantar linking project idea
Replies: 8
Views: 798

Re: quantar linking project idea

I hear that europe has figured out a way to use the second receiver slot to hear the other P25 transmit channels. On channel linking. As long as each station can hear each other. I've never tried the second receiver in a Quantar, but I'd think you'd be limited to linking to just one other repeater ...
by 515
Tue Aug 13, 2013 8:59 am
Forum: Vehicle Radio Installs
Topic: NMO extension cable?
Replies: 13
Views: 3058

Re: NMO extension cable?

Thanks for the tips... I'm thinking something mounted to the rail is the way to go. The top of the rail on the back is about 11.5' off the ground when it's on the truck, so I still want to try and get a quarter wave VHF on there. Maybe I could add some groundplane radials to it, since I don't plan o...
by 515
Tue Aug 06, 2013 6:49 am
Forum: Vehicle Radio Installs
Topic: NMO extension cable?
Replies: 13
Views: 3058

Re: NMO extension cable?

Finally picked up a camper... Now just trying to figure out where the best place to mount an NMO would be... The roof is a rubber membrane of some kind, so I really don't want to drill into that. I'd like to run a VHF quarterwave, as it's plenty tall already and I'm sure I'll be hitting plenty of tr...
by 515
Thu Jun 20, 2013 6:33 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: quantar linking project idea
Replies: 8
Views: 798

Re: quantar linking project idea

It should work fine, assuming the sites are within range of each other. No need for a UHF duplexer at the VHF mountain site--just set the UHF Quantar for BASE operation and use a T/R relay. In fact, if the UHF Quantar there was full duplex, you'd have to set your wireline priorities or wildcard func...
by 515
Wed Jun 12, 2013 1:30 pm
Forum: Vehicle Radio Installs
Topic: NMO extension cable?
Replies: 13
Views: 3058

Re: NMO extension cable?

That will probably do the trick! Thanks!
by 515
Wed Jun 12, 2013 11:00 am
Forum: Vehicle Radio Installs
Topic: NMO extension cable?
Replies: 13
Views: 3058

NMO extension cable?

I'm considering obtaining a slide-in camper for my truck. Most of these have the bed that goes over the cab, which wouldn't work with the VHF NMO antenna I have mounted on the center of the roof. Since the camper would only be on the truck when needed, I'm thinking about ways to temporarily move the...
by 515
Fri Apr 26, 2013 1:33 pm
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Equipment capable of "digital DTMF"
Replies: 3
Views: 352

Re: Equipment capable of "digital DTMF"

The newer EF Johnson 5100 portables with the newer firmware should be able to send the digital DTMF packets. Unfortunately, I don't know which versions are required. The newer 5300 mobiles might do it, too. I seem to remember Midland's P25 radios offering some P25 digital DTMF capability, maybe even...
by 515
Fri Jan 18, 2013 8:51 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Astro Saber battery eliminator
Replies: 2
Views: 232

Astro Saber battery eliminator

Has anyone bought one of those cheap ebay battery eliminators with the cigarette lighter plug for the Astro Saber? I'd like to get one, but it would be great to know if someone knows of one that is confirmed to work well with the radio. A lot of them look like bottom dollar china junk, but I'm hopin...
by 515
Tue Jan 15, 2013 2:10 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: MC2000 Deskset and Quantar
Replies: 1
Views: 203

Re: MC2000 Deskset and Quantar

I had a similar issue with an MC1000 tone remote deskset a an Astro Consolette a while back. These desksets have an "audio squelch" of sorts that's supposed to mute any faint hum or hiss that might be on the line when no traffic is being received. When the audio coming in to the deskset is...
by 515
Thu Apr 26, 2012 1:44 pm
Forum: MotoTRBO Portables and Mobiles (4xxx/6xxx) 1.0 Series Subscribers
Topic: TRBO DIGITAL PROGRAMMING
Replies: 4
Views: 611

Re: TRBO DIGITAL PROGRAMMING

This utility works good for finding out the timeslot, color code and talkgroup info, and determining if they use encryption (privacy) or not: https://github.com/IanWraith/DMRDecode All you need is an analog receiver with a discriminator tap. Feed that discriminator audio to your PC's sound card line...
by 515
Tue Apr 10, 2012 7:08 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Remote Quantar RSS programming
Replies: 8
Views: 414

Re: Remote Quantar RSS programming

They're not really cheap, but they are secure, and worked great with the Quantar's RSS port:
http://www.digi.com/products/wireless-m ... d#overview

The Quantar's RSS port is 9600 bps, async.
by 515
Mon Apr 09, 2012 12:49 pm
Forum: Computer/Technical Assistance
Topic: Pentium 4 upgrade worth it?
Replies: 5
Views: 1957

Re: Pentium 4 upgrade worth it?

Thanks for the info... I knew I wouldn't be able to use all 4 GB, but thought that at least 3 GB would be useable. So, it looks like I have these options: Buy another 1 GB to fill the two empty slots on the motherboard, but I think the new RAM will run at 400 MHz to match the existing modules Replac...
by 515
Sun Apr 08, 2012 4:43 pm
Forum: Computer/Technical Assistance
Topic: Pentium 4 upgrade worth it?
Replies: 5
Views: 1957

Pentium 4 upgrade worth it?

I've got a 3.0 GHz Pentium 4 with 1GB DDR2 400 MHz RAM, with a PCI Express x16 Sapphire Radeon X300SE video card with 128 MB on it. It runs XP Pro from an SATA hard drive. It's worked great for years, but since my CRT monitor died and had to be replaced by a widescreen LCD, it's performance isn't wh...
by 515
Wed Feb 22, 2012 2:52 pm
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Astro Saber III Private call
Replies: 9
Views: 1093

Re: Astro Saber III Private call

MotoFAN wrote:Is it true, that this Astro Saber (I mean AS with 9600 @ 800 MHz) requires some special version of CPS?


No, regular CPS will work. The features that aren't supported (like MDC1200) are just grayed out, if I remember right.
by 515
Sun Jan 08, 2012 8:29 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: diu 3000 v.24 to quantro (help)
Replies: 3
Views: 295

Re: diu 3000 v.24 to quantro (help)

I posted the cable pinout to go from the DIU's COMM connector (DB-25) to the Quantar here:
viewtopic.php?p=244499#p244499
by 515
Sun Jan 08, 2012 8:25 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Astro Spectra Consolette and Wireless Bridge
Replies: 9
Views: 439

Re: Astro Spectra Consolette and Wireless Bridge

I'm not aware of the RCH3000 or MC3000 desksets being available in tone or local control format. All the ones I've ever used have used the SB9600 data to display the channel names and emulate full W9 control head functionality at the deskset. The MC1000 and MC2000's are tone remotes which look simil...
by 515
Fri Jan 06, 2012 7:44 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Astro Spectra Consolette and Wireless Bridge
Replies: 9
Views: 439

Re: Astro Spectra Consolette and Wireless Bridge

Even though the RCH3000 or MC3000 desksets use CAT-5 cable, they're not ethernet devices. All 8 wires on the cable are used, one pair for audio in each direction, and one pair for control data in each direction. So typical ethernet bridges or media converters won't do any good.
by 515
Sun Jan 01, 2012 2:42 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: DIU Quantar Question
Replies: 8
Views: 1445

Re: DIU Quantar Question

The Quantar will need an optional V.24 card if it doesn't have one already. This will put two RJ-45 jacks on the front of the Quantar. That "Quad Connector" or whatever they call it with the 4 RJ-45 jacks that goes on the back of the DIU's COMM DB-25. A straight through cable can be connec...
by 515
Mon Sep 26, 2011 5:43 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: 110W UHF Quantar minimum power
Replies: 6
Views: 337

Re: 110W UHF Quantar minimum power

I think around 20 watts is as low as they go. I don't think you'll have any problems running it there.
by 515
Mon Aug 29, 2011 6:38 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantar/Quantro Wildcard interfacing questions
Replies: 2
Views: 246

Re: Quantar/Quantro Wildcard interfacing questions

Looking at the manual, it mentions that Telco connector pins 18 & 43 can be used as relay closure output for "Carrier Indication". That is, you should see continuity between 18 and 43 when the station receives a valid signal. From what I remember, the default wildcard configuration tri...
by 515
Mon Aug 29, 2011 6:19 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantar reflecting IDs?
Replies: 7
Views: 479

Re: Quantar reflecting IDs?

It sounds like there's more latency than normal going through the repeater. Are you doing anything out of the ordinary with the wireline interface, or some kind of external controller? If it was a voted system and the links had excessive latency, you'd probably see the symptoms you're describing. If...
by 515
Wed Jun 22, 2011 11:52 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Quantar battery revert current draw?
Replies: 3
Views: 274

Re: Quantar battery revert current draw?

I'd imagine the 800 MHz units are similar, but here's what I've seen on a VHF station with the 125 watt PA: When running from a 24 VDC source: 1.36 amps with TX off and RX squelched, 8.66 amps when transmitting 65 watts, and 10.9 amps when transmitting 100 watts When running from the 120 VAC source:...
by 515
Thu Jun 16, 2011 6:23 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Astro Modem over IP
Replies: 12
Views: 901

Re: Astro Modem over IP

The Astro Modems are 9600 bps, so the should work on most voice grade circuits. Are you sure the modem inputs/outputs are wired correctly? That is, the modem output of one station is wired to the modem input of the comparator? Here's a pic of the back of the comparator, with some of the wiring label...
by 515
Thu Jun 16, 2011 5:49 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Digital "all call" ID?
Replies: 6
Views: 555

Re: Digital "all call" ID?

That talkgroup 65535 is reserved as the hear-all, call-all, talkgroup for P25 conventional. It has nothing to do with P25 trunking. To use it, you need to set up all radios in the fleet to use conventional talkgroups. This is done by checking the "Talkgroup" box under the Conventional Pers...
by 515
Wed Jun 01, 2011 12:24 pm
Forum: Computer/Technical Assistance
Topic: Serial port problems with a Panasonic CF-18
Replies: 7
Views: 3941

Re: Serial port problems with a Panasonic CF-18

I just wiped and re-installed XP one more time, this time not installing SP3 or any other Windows updates, and the problem is still there. I did notice the problem going from the Toughbook to the desktop PC, so it looks like it can occur both ways. I guess it has to be some kind of hardware problem....
by 515
Wed Jun 01, 2011 8:18 am
Forum: Computer/Technical Assistance
Topic: Serial port problems with a Panasonic CF-18
Replies: 7
Views: 3941

Re: Serial port problems with a Panasonic CF-18

I finally got a chance to wipe and re-install XP, and the same problem is still there! It is plugged in most of the time. All of the above tests were done with it plugged in to power. I think the battery is in pretty good shape. I didn't think to test it right after the XP install, and instead conne...
by 515
Wed Jun 01, 2011 7:03 am
Forum: General Motorola Solutions & Legacy Radio Discussion
Topic: Dead Battery
Replies: 21
Views: 3183

Re: Dead Battery

140mA is what I measured on the red XTL5000 O5 control head wire, but it was in a squelched/muted or low volume state. As Jim stated, if the audio amp is in the control head, I would expect it to go up to an amp or two at higher volumes.
by 515
Fri May 27, 2011 11:10 am
Forum: Computer/Technical Assistance
Topic: Serial port problems with a Panasonic CF-18
Replies: 7
Views: 3941

Re: Serial port problems with a Panasonic CF-18

Well, I just found a PCMCIA serial port card and installed it, and it has the same problem too! I guess a reformat and Windows re-install is in order...
by 515
Fri May 27, 2011 7:05 am
Forum: Computer/Technical Assistance
Topic: Serial port problems with a Panasonic CF-18
Replies: 7
Views: 3941

Re: Serial port problems with a Panasonic CF-18

I played around with them a little more this morning, and made in interesting observation. I think the problem is pretty much independant of baud rate, as I was seeing it even at 300 baud. When I send several 1's, 2,'s and 3's to the Toughbook (1111111111222222222222222222233333333333333...), I see ...
by 515
Thu May 26, 2011 12:55 pm
Forum: Computer/Technical Assistance
Topic: Serial port problems with a Panasonic CF-18
Replies: 7
Views: 3941

Serial port problems with a Panasonic CF-18

I've got a Panasonic Toughbook CF-18 that's never had a problem programming all kinds of radios until recently. Lately, I haven't been able to read any radio via the serial port... It will usually start reading (put the radio into program mode, ect.) but usually fails within a few seconds. I've trie...
by 515
Thu May 26, 2011 11:57 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Strange Quantar Receiver Panel
Replies: 8
Views: 430

Re: Strange Quantar Receiver Panel

I think Motorola added that when they made the 403-433 MHz Quantars go down to 380 MHz. I believe tuning the preselector down to 380 makes the screws stick out farther than normal, so that protector was added.
by 515
Tue May 24, 2011 12:57 pm
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Astro Modem over IP
Replies: 12
Views: 901

Re: Astro Modem over IP

I agree that if you have to run mixed mode, the Astro Modems do simplify things as they allow the analog audio to use the same voice circuits as the digital modem data. As d119 said, if the system were digital-only, V.24 with subrate MUX cards is the best way to do it. I'd look into what options you...
by 515
Tue May 17, 2011 6:14 am
Forum: Base Stations, Repeaters, General Infrastructure
Topic: Motorola Quantar PA output question
Replies: 8
Views: 451

Re: Motorola Quantar PA output question

A system I had been involved with has a total of 12 UHF R1 Quantars all transmitting the Astro Modem data continuously. They are the 125 watt PA's, but the power was set around 30 watts on these links to reduce the amount of heat generated in the comm shelters. As far as I know, there have been no P...
by 515
Mon May 02, 2011 6:08 am
Forum: Legacy Batboard Motorola ASTRO (VSELP/IMBE/AMBE) Equipment Forum
Topic: Mixed mode Quantar growling
Replies: 11
Views: 510

Re: Mixed mode Quantar growling

I've heard this on UHF stations, too. I know the one I heard it on did have a wireline connection, and that they only use it in the analog mode. I haven't heard it in a long time on that channel, so maybe they resolved it. I don't believe I've ever heard it on stand-alone stations where no wireline ...
by 515
Tue Feb 15, 2011 1:16 pm
Forum: Radio Programming
Topic: ASTRO25 vs. ASN Mode in KVL
Replies: 1
Views: 392

Re: ASTRO25 vs. ASN Mode in KVL

It depends on the secure module in the Astro Spectra. If it's an old module, it will only support ASN mode. If it's a newer module, it should support ASN or ASTRO 25. For the XTS3000/Astro Saber, I believe the cutoff was EMC 3.0 or newer was required to support both. I think the Astro Spectras and A...

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