Mesh Extender 2.0 Utility Connector Pinout

Pinout as at Mesh Extender 2.0 PCB Version 4

NOTE: This pinout is only proposed at this point in time. Do not build cables to this specification, until confirmed.

D-SUB 15 Function Note
1 Opto-isolator 1 input (Opt1) Connected by jumper to either Domino GPIO 26 or RFD900 GPIO 4
2 Opto-isolator 2 input (Opt2) Connected by jumper to either Domino GPIO 27 or RFD900 GPIO 3
3 Relay switched with pin 5 Relay control jumpered from either Domino GPIO 28 or RFD900 GPIO 2
4 Domino GPIO 27 Cannot be used as output if jumpered to Opt2
5 Relay switched with pin 3 Relay control jumpered from either Domino GPIO 28 or RFD900 GPIO 2
6 GND
7 3.3V
8 GND
9 5V
10 Domino GPIO 26 Cannot be used as output if jumpered to Opt1
11 Domino GPIO 17
12 Domino GPIO 16 Shared with amber WAN LED
13 Domino GPIO 13 Shared with green LAN LED
14 Domino GPIO 14 Shared with amber LAN LED
15 Domino GPIO 15 Shared with green WAN LED

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