3
D-Link DCH-B122 User Manual
Section 1 - Product Overview
Hardware Overview
1
Status LED
Blinking red every 1 second
Waiting for pairing.
Rapidly blinking red every 0.2 second Successfully reset.
Solid red
Pairing completed.
Off
Power saving mode. Waiting to be triggered.
2
Motion Sensor
Detects motion up to 16 feet away.
3
Tamper Key
Detects if the mounting bracket used to mount the sensor has been removed.
4 Battery Cover Plate Screw
Remove this screw to remove the battery cover plate to reveal the battery as well as the reset button.
5
CR2450 Battery
When the battery runs out of power, press down on the battery to snap it out. Replace with the same
CR2450 3V type battery. Lightly press down to snap the replacement battery into place.
6
Reset Button
Press and hold the Reset Button until the LED blinks red in order to reset the sensor to factory default
settings.
7
Mounting Bracket
DCH-B122 ships with this already attached with double-sided tape covered by a sticker adhered to it.
Slide down to remove.
Front
Back
2
1
6
4
Battery Cover Removed
Battery Cover Attached
5
7
3
Mount
