HP LD4730 User Manual page 24

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
Follow these steps for connecting cables:
1. Connect the AC power cord to the receptacle on the rear of the display (1).
Figure 3-16
Read the power-cord safety precautions in
other end into an electrical outlet.
Figure 3-17
16 Chapter 3 Setting up the display
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).
Power
Connecting the power cord
Important safety information on page 3, then plug the
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