Hardware Installation & Configuration Gemini 720is Imaging SonarDocument: 0703-SOM-00002, Issue: 1 16 © Tritech International Ltd.MAIN AUXMAINBulkheadview Pin Function Pin FunctionAUXBulkheadview1 Ethernet Rx+ 1 RS232 Rx /RS485 B2 Ethernet Rx- 2 RS232 Tx /RS485 A3 Ethernet Tx+ 3 24V DC +4 DC + 4 0V DC5 VDSL + 5 RS232 / TTLGround6 Ethernet Tx-7 DC Ground5 641 2 37 88 VDSL -6 TTL In6541 2 33.4. Surface Adapter Pin-out DiagramsNoteFor all system types the connection to the surface computer or IT infrastructurefrom the Gemini Hub, Ethernet or VDSL adapter should be via a shielded Cat5ecable fitted with an RJ45 connector. The 72V VDSL Adapter Unit can also beused in applications where long length power and communications is desirable- for more information see the associated Product Manual: 0713-SOM-00003available at www.tritech.co.uk3.4.1. Ethernet AdapterNot to scale, dimensions in mm.13015170 160
