[OZAPRS] DM2550 ?

[Rob Heyer]

All,
Has anyone made use of this (DM 2550) device, how did it perform?

Is it easy to pull onto 145.175MHz or do you inform the supplier and have them do the freq. programmeing at the time of purchase?

Has anyone tried the device with either TinyTrak3+ or TinyTrak4 trackers?

At AUD$80.00 the price is good, best of all it appears it is made in Australia.

 73's
Rob Heyer
IRLP VK2RMP Node No. 6018 (146.850 MHz)
ECHOLINK  via Node No. 325276
APRS - VK2XIC QTH; VK2XIC-3 Testing new 'stuff';
VK2XIC-4 Bicycle; VK2XIC-5 Camp Site; VK2XIC-9 Car; VK2XIC-12 Portable
Member - WIA  & IARS
                - SES (Shellharbour City)
Eat Australian lamb a 1,000,000 Dingos can't be wrong!




________________________________
From: David Hardy <vk2nh at hotmail.com>
To: howard at small.com.au; ozaprs at aprs.net.au
Sent: Fri, 22 January, 2010 9:32:32 AM
Subject: Re: [OZAPRS] DM2550

 Howard,
 
Those pins seem correct.
 
A good source of info , including the fuse, is at http://www.qsl.net/zl1vk/Maxon9PinSerial.html
 
Dave vk2jdh
 
________________________________
 From: howard at small.com.au
To: ozaprs at aprs.net.au
Date: Thu, 21 Jan 2010 21:54:14 +1000
Subject: [OZAPRS] DM2550

 
Some time back I bought a DM2550NM through this group. I have not used it until today and am having a couple of problems. I suspect I have blown the fuse that is supposedly in the +ve line but I can not locate such a beast.
 
I am connecting 10.6V + to pin 5, -ve to pin 4 and earthing pin 3 to transmit.
 
If anyone has any experience with these devices can you please:
 
1.       Confirm the +, - and tx connections
2.       Tell me if there really is a fuse
3.       And if there is, where it is hidden.
 
Many thanks
 
Howard
VK4BS
________________________________
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