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Pin assignments
Pin assignments for the I/O Connector of the AXIS 291 1U Video Server Rack
Pin
Function
1
+12V out, 100mA
2
GND
3
Channel 1, Configurable I/O 1
4
Channel 2, Configurable I/O 1
5
Channel 3, Configurable I/O 1
6
Channel 4, Configurable I/O 1
7
Channel 5, Configurable I/O 1
8
Channel 6, Configurable I/O 1
9
Channel 1, Configurable I/O 2
10
Channel 2, Configurable I/O 2
11
Channel 1, RS485A
(non-inverting) (Video input 1)
12
Channel 1, RS485B
(non-inverting) (Video input 1)
Description
Digital input - Connect to GND to
activate, or leave floating (or
unconnected) to deactivate.
Digital output - Uses an open-
drain NFET transistor with the
source connected to GND. If used
with an external relay, a diode
must be connected in parallel
with the load, for protection
against voltage transients.
A half-duplex RS-485 interface for controlling auxiliary equipment
e.g. PTZ devices.
AXIS Q7406 Installation Guide
Min input = - 40V DC
Max input = + 40V DC
Max load = 100mA
Max voltage = + 40V DC
(to the transistor)
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