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AXIS Q1755-E Installation Guide
Unit connectors
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 for HDTV video, e.g. an entrance
camera connected to an HDTV screen
• Composite video (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. PTZ devices.
The RS-485/422 serial port can be configured in the following port modes:
• Bidirectional RS-485 half-duplex port for data transmission using
two wires, one combined RX/TX pair.
• Bidirectional RS-485 full-duplex port for data transmission using
four wires, one RX pair and one TX pair.
• Unidirectional RS-422 port for transmitting or receiving data using
two wires, RX- or TX pair.
• Bidirectional RS-422 full-duplex port for data transmission (point-to-point) using four
wires, one RX pair and one TX pair.
SDHC memory card slot -
High capacity SD memory card used for local recording and removable
storage.
Power -
3-pin terminal block 8-20 VDC or 20-24 VAC
Function
Pin Notes
RS 485/422TX(A)
1
TX pair for RS-422 and 4-wire RS-485
RS 485/422TX(B)
2
RS-485A alt RS-485/422RX(A)
3
RX pair for all modes (combined RX/TX for 2-wire RS-485)
RS-485B alt RS-485/422RX(B)
4
!
CAUTION! - I
ncorrect connection of the wires could cause damage to the camera.
4 3
2 1
Pins
RS-485/422
RX/TX TX
DC
AC
Содержание Q1755-E
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Страница 113: ...Installation Guide Ver 1 3 AXIS Q1755 E Printed April 2014 Axis Communications AB 2010 2013 Part No 57193 ...