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[CA] [CA11] T122 Not Sending Data to Garmin 942xs & Remote Issue
07-24-18, 09:39 AM
Post: #2
RE: [CA11] T122 Not Sending Data to Garmin 942xs & Remote Issue
Welcome back to the Raymarine Forum agurski,

Please excuse this late response as your thread got buried within the stack. It would not typically be recommended that one interface both the T122's NMEA 0183 OUT and NMEA 0183 IN ports without proper filtering or a data loop will be created (i.e. the T122 will re-transmit any NMEA 0183 sentences which it receives). You may want to consider disconnecting the T122's NMEA 0183 input port from the chartplotter. Doing so will should then permit the T122 to transmit instrument data to the chartplotter.

Additionally, these products do not appear to be correctly interfaced to one another. When interfacing the T122 to the Garmin 942xs Chartplotter to permit the Garmin 942xs Chartplotter to receive data from the T122:
- connect the Garmin 942xs Chartplotter's NMEA 0183 RXA lead (brown) to the T122's NMEA 0183 OUT+ terminal, and
- connect the Garmin 942xs Chartplotter's NMEA 0183 RXB lead (violet) to the T122's NMEA 0183 OUT- terminal

If interfacing the T122 to the Garmin 942xs Chartplotter to permit the T122 to receive data from the Garmin 942xs Chartplotter (see note above):
- connect the Garmin 942xs Chartplotter's NMEA 0183 TXA lead (blue) to the T122's NMEA 0183 IN+ terminal, and
- connect the Garmin 942xs Chartplotter's NMEA 0183 TXB lead (gray) to the T122's NMEA 0183 IN- terminal
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RE: [CA11] T122 Not Sending Data to Garmin 942xs & Remote Issue - Chuck - Raymarine - Moderator - 07-24-18 09:39 AM

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