Jim — is the backbone properly terminated after your addition? There needs to be a terminator at either end of the backbone, after the final “T” for equipment spurs.
Hopefully the “network” line you cut into is the backbone cable, not a spur. In this instance, you’d have been far better to use all the same type of cable/connectors as the existing backbone, then use an adapter cable to go to the VHF as needed. If the existing NMEA2k network was Maretron, for example, disconnect the backbone at the location closest to the VHF, put in a Maretron “T” and another backbone cable to where you broke it; then a Simrad to NMEA2k adapter spur to the VHF. Fred Street -- Minneapolis S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI > On Sep 10, 2015, at 2:36 PM, Jim Reinardy via CnC-List > <[email protected]> wrote: > > Joel, > > Thanks for the reply. > > With the NMEA 2000 cable connected, I only have the NMEA 0183 source > available on that menu. That is how I drew the conclusion that the radio > does not see the 2000 network. > > Jim > > Sent from Mail <http://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 > > > > From: Joel Aronson via CnC-List > Sent: Thursday, September 10, 2015 2:32 PM > To: [email protected] <mailto:[email protected]> > Cc: Joel Aronson > Subject: Re: Stus-List NMEA 2000 cabling > > > Manual says: > > This radio can use either NMEA 0183 or NMEA 2000 protocol to receive GPS data > from a > compatible GPS unit. > Note: NMEA 2000 SOURCE options will appear (up to 4 sources showing the > actual source > name) only if an NMEA 2000 network is connected to the radio and is > operational. > RADIO SETUP > WX ALERT ▲ > COM PORT > ►GPS SOURCE > FAV CH SETU > GPS SOURCE > ►NMEA0183 > LGC3000 > LCX113CHD > 1. Select RADIO SETUP then GPS SOURCE. (If there is only one NMEA protocol > available on > your vessel, only that will be shown). > 2. Select the desired NMEA source then press ENT. > > > On Thu, Sep 10, 2015 at 3:22 PM, Jim Reinardy via CnC-List > <[email protected] <mailto:[email protected]>> wrote: > Hello All, > > Helping a friend add a Simrad RS-35 VHF radio with AIS receiver to his > existing B&G instrument system. That currently has 2 Triton displays, a Zeus > Touch 7 MFD plus wind and speed/depth transducers. Everything is connected > via NMEA 2000, there is no 0183 on the boat. There was no convenient place > to tap into an existing T connector, but there was an existing network line > running close to the radio. We bought 2 Maretron micro-c field installable > connectors, a premade Maretron cable and a Lowrance T connector. I could not > find Lowrance/B&G connectors anywhere. I cut the network wire and wired the > new connectors according to the color code on the connectors. The color code > on the connectors matched the colors in the B&G wire, so I figured I was good > to go. When I hook things back up, the existing instruments work fine, but > the new radio is not seen by the Zeus, nor does the radio see the network. > Since the existing stuff all works fine, I am assuming that the wires are > connected in the same positions on the connectors. When I unplug it, I lose > all the transducers. > > I am currently thinking that either the new premade cable is bad, or Simrad > B&G uses a different pinout for their connectors than the one specified by > NMEA, which Maretron follows. I plan to test the cable using one from my > boat, but can anyone confirm the pinout on a B&G system for me? Any other > ideas about what to check? > > Thanks, > > Jim Reinardy > C&C 30-2 “Firewater” > Milwaukee, WI
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