2.1mm Power Jack 12V DC (Center Positive) 12V DC

I/O Connectors Relay Status LED GP7 GND GP6

GP5 GND GP4

GP3 GND GP2

Particle.io Photon Port

GND +5V 400ma SDA

I²C Output to Next Device

SCL NO

SPDT Relay Port

COM

_

NC

12V DC Power Connector

2.1mm Power Jack 12V DC (Center Positive)

Power LED

Address Jumper

500ma 5VDC Switcher Power Supply

UR Relay Rating: 12A@125VAC 12A@30VDC

Relay Warranty Rating: 10A@125VAC 10A@24VDC