Seatalk help needed badly - Page 2 - SailNet Community
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post #11 of 24 Old 05-08-2012
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Re: Seatalk help needed badly

Did you ever solve this? Just so you know Raymarine calls ethernet "Seatalk." Yes, they have 10 and 100Mbps ethernet. The physcial layers are all standard ethernet (because it is cheap and works). So. how do they make it proprietary you ask? Simple, the headers are modified. The network uses unmanaged switches just like most home networks. So what do you have to do to get devices to communicate? Some of them may be Seatalk, others Seatalk II, others yet Seatalk hs. Begin to sound familiar? You need to use the appropriate crossover between two devices. If there are more than two devices you need a switch. What does the switch do? Exactly like the one at home it auto-senses the transmission rate and switches accordingly for each network line.
Need more info on what to use?
Raymarine Marine Electronics - SeaTalk HS Networking

I have used the converter box to allow introduction of NMEA data to the Raymarine system. Find that here:
https://raymarine.custhelp.com/app/a...w/seatalk%20II
I think there should be no mystery here except why didn't Raymarine tech support or your local installer help you with this?

In doing a little more research I found this post on another site:
"I have a DSM 300 connected to an E120 and all works fine. I'm using a standard 4-port switch rather than the extortionately priced Raymarine branded one. If you don't use a switch, then you need a cross-over cable or coupler. My switch is not IP rated, but then its in a protected location. The HS cables are indeed standard CAT5 (shielded variety) cables. The only thing I found was that I had to use Raymarine-specific cables (the shortest/cheapest I could get) for the connections at the DSM300 and E120 and then use ordinary CAT5S cables for the longer runs (connected to the Raymarine cables with standard CAT5S couplers). There is something odd about the sockets in the Raymarine units which means that a standard CAT5 plug doesn't seem to seat correctly; perhaps this is what you're finding?" JerryHawkins Quoted

"well everything works now and the 'trick' is to use Raymarine ethernet cables !
the "Screw in" end on the plotter and DSM300 doesnt make any contact with normal RJ45 cables, it does work with the proprietary Raymarine cable." ReneJK quoted

Last edited by SelkirkGrace; 05-08-2012 at 01:45 AM. Reason: Addition
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post #12 of 24 Old 05-08-2012
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Re: Seatalk help needed badly

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Originally Posted by old-sailer View Post
I suspect the older 2 are Seatalk and the new ST40 is Seatalk II and I'm not sure if they are backward compatible.

There is a switch for yet another $160 that is supposed to make this all work but I've spent enough on this bunch so that won't happen. I'll just set them up separately and not bother with the apparent wind.
Most switches ar3e autosensing and you can get them for a whoping $10 for a 5 port 10/100 switch. Autosensing detect which is the transmit and receive pair. The switch adjusts for different speed s such as 10/ or 100Mbps ethernet. The real sneaky trick is the non-standard Ethernet connectors that RayMarine uses. you apparently have to use a short length of their cable out/into their devices. You can then use regular shielded ethernet cables to the switch or for long runs.
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post #13 of 24 Old 05-08-2012
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Re: Seatalk help needed badly

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Originally Posted by old-sailer View Post

I'll just set them up separately and not bother with the apparent wind.
St 40 runs on sea talk not Seatalk 2
if you set up the ST40 seperatly you will only get apparent wind relative to the boat. Apparent wind is what you want for sailing. true wind relative to the boat does not mean much while sailing.

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Last edited by overbored; 05-08-2012 at 04:12 AM.
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post #14 of 24 Old 05-08-2012
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Re: Seatalk help needed badly

I suspect this is a firmware issue. ST40s aren't field updatable so its back to the factory for them
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post #15 of 24 Old 05-08-2012
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Re: Seatalk help needed badly

I just wish I knew how to wire mine up. I got these with the boat I purchased back in December but they are all in a box not hooked up. Iam so fustrated with it I was thinking about selling it all. or hiring somone just to install the wires. Looks like all the transducers are mounted on the boat, well the speed paddle in lying in the foward builge. I was told that there was a plug in that thru-hull and the speed paddle was taken out when not being used to keep the groth off the wheels? Any here is a photo of the lot of them.

[IMG]Photobucket[/IMG]

Your advise???
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post #16 of 24 Old 05-09-2012
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Re: Seatalk help needed badly

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Originally Posted by ltgoshen View Post
I just wish I knew how to wire mine up. I got these with the boat I purchased back in December but they are all in a box not hooked up. Iam so fustrated with it I was thinking about selling it all. or hiring somone just to install the wires. Looks like all the transducers are mounted on the boat, well the speed paddle in lying in the foward builge. I was told that there was a plug in that thru-hull and the speed paddle was taken out when not being used to keep the groth off the wheels? Any here is a photo of the lot of them.

Your advise???
That's fairly old equipment by today's standards, but it may well work fine once hooked up and installed... replacing it all will run you between $1500-2000 I reckon. So it's worth a shot at seeing if they power up, and plugging the tranducers in to see if they respond. Does the mast have the vane and anemometer cups in place up top? If so there will be wires below for that too.

You can replace the plug with the paddlewheel sensor.. you'll ship a bit of water but it's a simple operation. Just be ready to make a swift swap, and try not to be alarmed at the amount of water that tries to get in. (you may have a flap to slow it down...)

It was good gear in its day, and doesn't look abused - could even have zero hours on it, I suppose. Worth checking out. Try online for manuals and diagrams. The first 'hit' in this search seems to be the PDF manual for what you've got:

https://www.google.ca/#hl=en&sclient...w=1696&bih=829

Ron

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Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)

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post #17 of 24 Old 05-09-2012
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Re: Seatalk help needed badly

There is an auto-compass on the boat a wind cup and vane, a depth gauge, a speed transducer and a st 4000 auto helm. My problem is the wiring? I donít understand any of it. I have all the books that came with the equipment. They look like they all string together with twist lock plugs. I just donít know how to hook up the first hot and ground wire to try the stuff out.
I have I have 3 wires coming from the mast
I have 2 coming from the front Bilge depth and speed.
I have 1 gyro-compass
I have 1 ST-4000
Where do they get there power from?
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Re: Seatalk help needed badly

The twist lock plugs are easy... they can only go in one way, and should be labeled somehow as to who goes where. Power is likely part of the connector wiring itself, so it needs to go to the DC panel somewhere.

Was this stuff ever actually installed? if so it should be nearly 'plug and play'. Otherwise you may need some assistance.

You are in desperate need of a knowledgeable local sailling 'friend'.. preferably one with a generous disposition and some free time... Try to find another C&C 30 owner... best odds.

Ron

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Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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Re: Seatalk help needed badly

All the transducer are mounted on the boat. All the leads have wires at the ends with no plugs. All the gauges have plugs on them. So You are right I think i will need some help.
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post #20 of 24 Old 05-10-2012
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Re: Seatalk help needed badly

Quote:
Originally Posted by old-sailer View Post
Today I fixed this... it all works now.

The problem: A *&%$@ rogue plug...

I now have "T" and "A" wind.... woohoo..
Glad you got it working O-S.

From what you have posted, it sounds like you had it all connected correctly..

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