2. Relay Input — To activate, connect the Input to the Ground pin. To deactivate, leave disconnected or
apply between 3-15 V.
3. Relay Output — When active, Output is internally connected with the Ground pin. Circuit is open when
inactive. Maximum load is 25 VDC, 120 mA.
4. RS-485 A — Non-inverting RS-485 pin for controlling external equipment.
5. RS-485 B — Inverting RS-485 pin for controlling external equipment.
0 — External Device
* — Relay
** — Switch
Connecting to Microphones, Speakers, and Video
The camera can be connected to an external microphone, speaker and video monitor through the mini-jack
(3.5 mm) audio/video connector (Avigilon part number CM-AC-AVIO1).
Only the 2.0 megapixel models can be connected to an external video monitor through the A/V connector.
Connecting to Microphones, Speakers, and Video Monitors