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Old 23-02-2014, 18:07   #16
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

Thanks guys.

Seatalk only has 3 pins plugs, so assume only 3 wires (but I have not cut one to find out). How can I connect NMEA to this?

The NMEA plug on the back of the C120 is not being used. It is the 5 pin type I have no plug for. What is a drop cable?

That Evermore will cost me almost $200. I can get a Simrad or Lawrence GPS with magnetic course for $290.

I will have to check out that button battery! However my Raystar 125 wont even show any LEDs, so I think it is stuffed. Is that what will happen if the battery dies?
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Old 24-02-2014, 01:00   #17
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

I'm not sure about the battery and the LED. My limited understanding is that the battery provides some sort of memory power, so the unit "remembers" its last fix when turned off, and this helps to quickly acquire a position when power is returned. To be certain, why not contact Raymarine Support. I've had helpful responses from the UK support team. As for drop cable, Dave or Dot Dun will provide a better answer, but I think this is used in Seatalk NG. The basics of this system is that all data between instruments is carried over a "back bone" (powered data cable) and the drop cable is the cable that connects an instrument or sensor to the backbone.
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Old 24-02-2014, 01:33   #18
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

Couple more points First, do you have the manual for the Raystar. If not, it is available online from the Raymarine website. Check the connections between the Raystar and the chartplotter. The cable connecting Raystar to chartplotter is not continuous, the supplied cable has a connector at the Raystar end, the other end is bare wires, which then connects to another cable going into the Seatalk connection. A poor connection could cause a problem. You said you tested the cable for power, I take it that 12V was measured at the Raystar end of the cable? If you go for an NMEA GPS, I would try and get hold of the raymarine NMEA cable as soon as possible. No longer made, and those sellers which still have them, are pushing the price up.
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Old 24-02-2014, 02:59   #19
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

Quote:
Originally Posted by dennisail View Post
Thanks guys.

Seatalk only has 3 pins plugs, so assume only 3 wires (but I have not cut one to find out). How can I connect NMEA to this?

The NMEA plug on the back of the C120 is not being used. It is the 5 pin type I have no plug for. What is a drop cable?

That Evermore will cost me almost $200. I can get a Simrad or Lawrence GPS with magnetic course for $290.

I will have to check out that button battery! However my Raystar 125 wont even show any LEDs, so I think it is stuffed. Is that what will happen if the battery dies?

You can't use the 3 pin seatalk connector for NMEA that's a seatalk 2 network proprietary to Raymarine.

The 5 pin connector is NMEA 2k ( ie seatalkng )but you need the appropriate cable setup ( it two drop cables two tees and a back bone cable. ) all this could be more then the GPS.

What you are forgetting is the nmea0183 connector that could be used with a NMEA 0183 GPS. Cheap cable , easy install

Dave
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Old 24-02-2014, 22:56   #20
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

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What you are forgetting is the nmea0183 connector that could be used with a NMEA 0183 GPS. Cheap cable , easy install

Dave
Where would the 183 cable connect into the C120? The only point I can think of is that expensive cable which is missing!..

Yes I checked all the terminations, scotch locks etc. The thing wont even light an LED even with power on it.
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Old 25-02-2014, 02:36   #21
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

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Where would the 183 cable connect into the C120? The only point I can think of is that expensive cable which is missing!..

Yes I checked all the terminations, scotch locks etc. The thing wont even light an LED even with power on it.

Yes. The cable is supplied in the box. But often lost

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Old 25-02-2014, 02:40   #22
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

Sorry now you have me seriously confused. You suggested I should just use the cheap cable, and now you are saying I need that expensive cable which I was already talking about using anyway?
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Old 25-02-2014, 02:58   #23
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

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Sorry now you have me seriously confused. You suggested I should just use the cheap cable, and now you are saying I need that expensive cable which I was already talking about using anyway?

I suggest you identify the NMEA 0183 connector on the back of the 120. Then you will need to locate the cable supplied for that connector in the original C120 box. If you don't find it you'll have to buy it from Raymarine. This cable is different from either the 3 pin seatalk or the 5 pin seatalkng
The installation manual makes all this crystal clear

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Old 25-02-2014, 03:54   #24
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

I have to disagree that is is clear, not so someone who has never wired NMEA. The paper manual says it is compatible with:

Seatalk
Seatalk 2
NMEA 0183
NMEA 2000

The page where it shows the back of the C120 shows one NMEA socket which is the one we have been talking about with the rare cable (R08004) and it is simply listed as NMEA. It does not specify 2K or 0813. It does show the pins, the pin arrangement might mean something to one who is familiar between the differences of 2K and 0183?

nmea +ve white
nmea -ve common green
nmea output +ve yellow
nmea -ve common brown
Screen

The various sockets on the back of the C120

5 pin seatalk 2 (unused in my installation)
3 pin seatalk (plugged in to my seatalk network, which the 125 was spliced into)
DSM (unused in my installation)
Power (obviously plugged in)
Radar (unused in my installation)
5 pin NMEA in/out (unused in my installation) This is the suspect with the rare cable. I am not sure if its for 2K or 0813 as it does not say.

Seatalkng, no mention anywhere.

So the question remains, how do I connect 2K do this device? How do I connect 0183 to this device? Which way is the cheapest when you consider the cable costs $100? So as I understand the 5 pin seatalk 2 can be used, but it needs a whole lot of gear which costs as much as a GPS anyway? Which brings me back to the $100 cable.

So would I be correct in saying this is my only sensible option? But does it mean I can not use a 2K device as this plug is for 0183 only (which I am still not sure about as the manual does not specify)
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Old 25-02-2014, 04:10   #25
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

Is all this kerfuffle really worth it ? Amazon are selling the Raystar 130 antenna for USD260. You won't get an antenna worth owning for less than $200.
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Old 25-02-2014, 04:16   #26
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

1: Trying to understand how systems work on your boat is not kerfuffle.
2: Amazon is not in AU.
3: The 130 costs $360 here and does not appear to have magnetic deviation
4: I can get a Simrad or Lawrence GPS with magnetic course and 2K for $290.
5: I navigated my way from the USA to Australia with a $20 USB puck GPS. The cost for these marine GPS units is extortion. Cost does not always infer quality.
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Old 25-02-2014, 04:59   #27
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

As far as I am aware, the NMEA socket on the back of your plotter is NMEA 0183

The NMEA Cable, Raymarine Part Number R08004 is no longer made for Raymarine. The plug appears to be unique to Raymarine, so unlikely you can make your cable/plug combo.
If you want, you could buy some contact sockets which will fit the pins in the back of the C120, solder wires to the sockets and carefully fit to the pins on the C120.
If you google hard enough you should find the pin out.
I have an E series Plotter.
Connections on the back are
NMEA 0183
Seatalk
Seatalk High Speed
Seatalk 2 (which I think can be used NMEA2000, but dont take my word for it)
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Old 25-02-2014, 07:16   #28
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

DennisSail, yes you have identified the connector correctly, I would contact Raymarine if you don't have the R08004, as nigel pointed out it is not no longer made. But they're should be equivalents as many Raymarine plotters have NMEA 0183 ports.

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Old 25-02-2014, 07:17   #29
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

Quote:
Seatalk 2 (which I think can be used NMEA2000, but dont take my word for it)
No Seatalk 2 was a kind of halfway house to STnG. its not NMEA2K compatible

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Old 25-02-2014, 08:57   #30
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Re: Will garmin NMEA2000 GPS work with other brand plotters?

Thanks for clarifying Dave,

It was this bit in the installation manual which puzzled me

SeaTalk2
SeaTalk2 is an enhanced replacement for SeaTalk and is a proprietary extension to
NMEA 2000 and the proven CAN bus technology. It enables other Raymarine
SeaTalk2 devices to talk to each other, whilst maintaining near transparent NMEA
2000 compatibility.
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