Cruisers Forum
 


Join CruisersForum Today

Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 22-09-2017, 09:15   #1
Registered User

Join Date: Aug 2015
Location: Port Townsend, WA
Boat: Tashiba-31
Posts: 321
Images: 1
NMEA 2000 backbone

The attached shows my existing NMEA 2000 backbone. I want to add another device.

I'm assuming that what I need to do is add another T-connector to the end of the bus. My problem is that this is going to be too long to fit in it's current location.

Can I ...

A. replace an existing T connector with a 4-way?
B. use a cable between T connectors?

Or is there another option I'm not seeing?
Attached Thumbnails
Click image for larger version

Name:	NEMA.JPG
Views:	101
Size:	74.6 KB
ID:	156506  
__________________

dmksails is offline   Reply With Quote
Old 22-09-2017, 09:21   #2
Registered User

Join Date: Apr 2011
Posts: 2,388
Re: NMEA 2000 backbone

Yes, you can use a cable between T connectors.
__________________

__________________
Bristol 31.1, SF Bay.
MarkSF is offline   Reply With Quote
Old 22-09-2017, 10:06   #3
Registered User

Join Date: Feb 2014
Location: Columbia, MD
Boat: Seawind 1160 Lite
Posts: 98
Re: NMEA 2000 backbone

Maretron and Actisense (and probably others) make blocks that allow for multiple connections without having to string together all of the t-connectors.


Multibox port



Actisense A2k-4WT
indimini is offline   Reply With Quote
Old 22-09-2017, 10:19   #4
Marine Service Provider
 
witzgall's Avatar

Join Date: Oct 2006
Location: Eastern Shore, MD
Boat: Camper Nicholson 44 Ketch
Posts: 1,947
Re: NMEA 2000 backbone

Actually, best practices from the folks at NMEA, suggest that you have a cable between each "T", as stringing them together as you have can strain the connections if not supported at EACH T. Having said that, I have done what you show in the picture, and have seen it many times. Using a Maretron multiport drop box off of one T, and then dropping everything into that, would be a good way to go.

Chris
witzgall is offline   Reply With Quote
Old 25-09-2017, 00:11   #5
Registered User

Join Date: Jun 2013
Location: canada
Posts: 2,858
Re: NMEA 2000 backbone

Both Work. The 4 way would be cleaner. Lowrance makes a nice one.
smac999 is offline   Reply With Quote
Old 27-09-2017, 09:55   #6
Registered User

Join Date: Aug 2015
Location: Port Townsend, WA
Boat: Tashiba-31
Posts: 321
Images: 1
Re: NMEA 2000 backbone

The device I'm going to connect in is about 16-ft away from the backbone location. Would I be better off extending the backbone to the device location, or using a long data cable to reach the existing backbone area and replace the backbone with one of the suggested connector blocks?
dmksails is offline   Reply With Quote
Old 27-09-2017, 10:16   #7
Registered User

Join Date: Feb 2014
Location: Columbia, MD
Boat: Seawind 1160 Lite
Posts: 98
Re: NMEA 2000 backbone

Maximum length for a drop cable is 6m (20 ft), so you could simply run the drop cable. If there are other devices you plan on adding to the backbone in the future in that general vicinity, it would probably make the most sense to take your backbone to that location.
__________________

indimini is offline   Reply With Quote
Reply

Tags
nmea, nmea 2000

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Columbia 38/40 steel backbone????? gjordan Construction, Maintenance & Refit 20 30-12-2015 19:00
B&G Zeus Touch 2 connect to Raymarine Backbone? darrelweb Marine Electronics 6 15-09-2015 07:25
Approximate Fee for Devils Backbone Pilot? bchaps Navigation 4 19-08-2012 05:30
Want To Buy: Link 2000 with Shunt - 84-2000-06 yacht_planb Classifieds Archive 2 21-02-2010 13:44

Advertise Here


All times are GMT -7. The time now is 03:28.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2020, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2020, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.