HP LD4730 User Guide - Page 22

Setting up the display, Label, Function

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Label 1 AC-IN 2 AC SWITCH 3 LINE-IN 4 SPEAKER-OUT 5 RS232-OUT, RS232-IN 6 USB 7 VGA-OUT, VGA-IN 8 SERVICE PORT 9 DP-IN 10 DP-OUT 11 Ethernet 12 IR-IN 13 IR-OUT Function Receives the power cord. Turns off or on power to entire device, controller as well as screen. For an audio cable connected to the Line Out on a media player or computer sound card. The plug should be a standard-sized, TRS-type with stereo capability. Audio output for bare-wire speaker connection to external speakers (sold separately). Serial port for control of the display. Takes a 9-pin, null-modem RS-232 cable connected to a controlling media player/computer or another digital signage display. For a color-calibration device or firmware upgrade. VGA input connects to a media player/computer or another display to support analog video and command data. VGA output supports chaining with VGA cables from display to display. The plug should be a 15-pin, D-Sub type. Used by authorized service personnel only. DisplayPort input for digital video from a media player/computer. Connects to a media player/computer or another display in a chain. To connect to the DisplayPort input of another display in a chain. RJ45 connector for video and command data from a network. Takes an Ethernet cable connected to a LAN or WAN; a network router, hub or switch; or directly to a media player/computer. Infrared input for the external IR sensor (included) or the output from the previous display in a daisy chain (Blue Connector). Infrared output to connect to the next display in a daisy chain, for control of all displays with a single IR remote control (Green Connector). 16 Chapter 3 Setting up the display

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Label
Function
1
AC-IN
Receives the power cord.
2
AC SWITCH
Turns off or on power to entire device, controller as well as screen.
3
LINE-IN
For an audio cable connected to the Line Out on a media player or computer sound
card. The plug should be a standard-sized, TRS-type with stereo capability.
4
SPEAKER-OUT
Audio output for bare-wire speaker connection to external speakers (sold
separately).
5
RS232-OUT, RS232–IN
Serial port for control of the display. Takes a 9–pin, null-modem RS-232 cable
connected to a controlling media player/computer or another digital signage
display.
6
USB
For a color-calibration device or firmware upgrade.
7
VGA-OUT, VGA-IN
VGA input connects to a media player/computer or another display to support
analog video and command data. VGA output supports chaining with VGA cables
from display to display. The plug should be a 15–pin, D-Sub type.
8
SERVICE PORT
Used by authorized service personnel only.
9
DP-IN
DisplayPort input for digital video from a media player/computer. Connects to a
media player/computer or another display in a chain.
10
DP-OUT
To connect to the DisplayPort input of another display in a chain.
11
Ethernet
RJ45 connector for video and command data from a network. Takes an Ethernet
cable connected to a LAN or WAN; a network router, hub or switch; or directly to
a media player/computer.
12
IR-IN
Infrared input for the external IR sensor (included) or the output from the previous
display in a daisy chain (Blue Connector).
13
IR-OUT
Infrared output to connect to the next display in a daisy chain, for control of all
displays with a single IR remote control (Green Connector).
16
Chapter 3
Setting up the display