101
101
RS-232 Protocol
This document describes the hardware interface spec and software protocols of RS-
232 interface communication between ViewSonic LFD and PC or other control units
with RS-232 protocol.
The protocol contains three command sections:
•
Set-Function
•
Get-Function
• Remote control pass-through mode
NOTE:
Below, “PC” represents all the control units that can send or receive the
RS-232 protocol command.
Description
RS-232 Hardware Specification
ViewSonic LFD communication port on the rear side:
1.
Connector type: DSUB 9-Pin Male (or 3.5 mm barrel connector)
2.
Use of crossover (null modem) cable for connection
3.
Pin Assignment:
Female DSUB 9-Pin
Male DSUB 9-Pin
Pin # Signal
Remark
1
NC
2
RXD
Input to Display
3
TXD
Output from Display
4
NC
5
GND
6
NC
7
NC
8
NC
9
NC
P5V/2A power for external
specific dongle *3.0
frame GND
3.5 mm barrel
connector (alternative
for limited space)
Item Signal
Remark
Tip
TXD
Output from Display
Ring
RXD
Input to Display
Sleeve
GND
Summary of Contents for IFP32 Series
Page 11: ...11 Product Overview Front Panel Control Panel Rear Panel 1 2 3 4 5 5...
Page 15: ...15 Remote Control 1 10 11 12 13 14 15 16 17 18 19 20 2 3 4 5 6 7 8 9...
Page 56: ...56 56 Display Adjust the Wallpaper Theme Display ID and Protection settings...
Page 57: ...57 57 Wallpaper Users can change their wallpaper with default images both still and live or...
Page 58: ...58 58 use their own by tapping My Photo and selecting the image file...
Page 66: ...66 66 Toolbar Setting Adjust the Side toolbar settings...
Page 73: ...73 73 System View and adjust Storage Security System Update and About device settings...
Page 74: ...74 74 Clone to USB Copy settings to an external USB drive...