Axis Q1755 User Manual page 5

Network connector
SD memory
card slot
Network - RJ-45 Ethernet connector. Supports PoE (Power over Ethernet, class 3). Using shielded cables is recommended.
Audio in - 3.5mm input for a mono microphone, or a line-in mono signal (left channel is used from a stereo signal).
Audio out - 3.5mm output for audio (line level), can be connected to a public address (PA) system or an active speaker with a
built-in amplifier. A pair of headphones can also be connected. A stereo connector must be used for audio out.
Video Out - RCA connectors for component or composite video out.
• Component video out (Y/Pb/Pr) for HDTV video, e.g. an entrance camera connected to an
HDTV screen
• Composite video out (CVBS) - for easy installation using a video monitor
RS-485/422 - two 2-pin terminal blocks for RS-485/422 serial interface used to control
auxiliary equipment, e.g. PT devices.
The RS-485/422 serial port can be configured as follows:
• Bidirectional RS-485 half-duplex port for data transmission using two wires, one combined
RX/TX pair.
Function
RS 485/422TX(A)
RS 485/422TX(B)
RS-485A alt RS-485/422RX(A)
RS-485B alt RS-485/422RX(B)
SD memory card slot - High capacity SD memory card can be used for local recording and removable storage.
Lens - M37x0.75 mounting thread for optional lens adaptor, for example wide-angle adaptor, tele adaptor or lens filter.
Remove the existing lens cover and retain for future use. Attach the adaptor securely to the camera casing.
Video out
Y/Pb/Pr/CVBS
CVBS
button
Audio in
Audio out
Network indicator LED
Part number (P/N) & Serial number (S/N).
The serial number may be required
during the installation.
Pin Notes
1 For future use, please check Axis website for available firmware
updates
2
3 Combined RX/TX for 2-wire RS-485
4
M37x0.75 mounting thread
for optional lens adaptor
Power connector
Power indicator LED
5
AXIS Q1755 - Product overview
Microphone
RS-485/422
connector
Control button
Pins
I/O connector
RS-485/422
RX/TX TX
4 3 2 1