![Axis Network Camera AXIS 221 User Manual Download Page 45](http://html.mh-extra.com/html/axis/network-camera-axis-221/network-camera-axis-221_user-manual_3038019045.webp)
45
AXIS 221 - The I/O Units Connectors
Power
Power can be supplied to the camera through the following methods:
• the supplied power adaptor, PS-K, 9W. The center pin is positive (+).
• PoE (Power over Ethernet) with power classification, Class 2 via the network
cable. This will automatically be detected if available via the network.
• the power connector block on the rear panel.
Power Connector Block
The power connector block can handle both AC and DC input power.
The DC supply is 7-24V, DC. Connect the negative pole to the GND pin and the positive
pole to the DC+ pin.
The AC supply is 10-24V, AC. Connect the AC poles to the AC pins.
A diagram of the power connector block, complete with pin assignment table, is shown
below.
Pin
Function
GND
Ground/DC-
AC/DC+
AC and DC+, power input for mains power to unit
AC
AC power input for mains power to unit
AC
AC
GND
DC+