Power and connect your compatible GPSMAP device with this 8-pin power/data cable. Use with NMEA 0183 devices and a lamp or horn for visible or audible alerts.
Compatible with
- echoMap 50dv / 50s
- echoMap 70dv / 70s
- GPSMAP 527xs / 557
- GPSMAP 721 / 721xs / 751 / 751xs




![SI-TEX Temperature Probe f/SST-110 TM [TM200-30]](https://www.marinerailparts.com/wp-content/uploads/2026/10/si-tex-temperature-probe-f-sst-110-tm-tm200-30.webp)



