![background image](http://html1.mh-extra.com/html/viewsonic/ifp6552-1c/ifp6552-1c_user-manual_1020394103.webp)
103
103
RS-232 Protocol
This document describes the hardware interface spec and software protocols of the
RS-232 interface communication between ViewSonic LFD and a 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 (female or 3.5 mm barrel connector)
2.
Use of crossover (null modem) cable for connection
3.
Pin Assignment:
Male DSUB 9-Pin
(preferred)
Female 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
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
Содержание IFP6552-1C
Страница 12: ...12 Product Overview Front Panel Rear Panel Front I O Control Panel...
Страница 55: ...55 55 3 Select the VPN Type 4 Choose to enable disable PPP encryption MPPE and or show Advanced options...
Страница 60: ...60 60...
Страница 69: ...69 69 Toolbar Setting Adjust the Side toolbar settings...
Страница 70: ...70 Input Source Adjust the input source names and settings as well as the side tool bar settings 70...
Страница 71: ...71 71 Rename Input Source Set labels for each input source that will be easily recognized when displayed...
Страница 76: ...76 76 System View and adjust Storage Security System Update and About device settings...
Страница 77: ...77 77 Clone to USB Copy settings to an external USB drive...
Страница 93: ...93 93 6 Choose the right answer to show the correct rate 7 Click the Explain icon to further analyze the topic...
Страница 100: ...100 100 Chromium Web browser for surfing the Internet...