Connecting to External Audio and I/O Devices
Important: This product is intended to be supplied by Power over Ethernet (PoE). Do NOT connect auxiliary
power to the audio or I/O wires or the camera will be damaged.
WARNING — This product is intended to be supplied by Power over Ethernet (PoE) that is a “Limited Power
Source” or “LPS”, rated 48 VDC, 9 W min.
External audio and I/O devices are connected to the camera through the audio and I/O wires. The pinout for the wires
is shown in the following diagram:
1. Grey — Audio Input (line level)
An external power amplifier should be used when connecting speakers and microphones, as shown in the
diagram.
2. Red — Audio Ground
3. Pink — Audio Output (line level)
4. Green — Ground
5. Yellow — Digital Input
6. Brown — Digital Output
l
* — Relay
l
** — Switch
l
M — Microphone
l
S — Speaker
Connecting to External Audio and I/O Devices
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