ViewSonic CDE3204 User Manual

28
RS232 Protocol
1. Introduction
This document describes the hardware interface spec and software protocols
of RS232 interface communication between ViewSonic Commercial TV / Digital
Signage and PC or other control unit with RS232 protocol.
The protocol contains three sections command:
• Set-Function
• Get-Function
• Remote control pass-through mode
※ In the document below, “PC” represents all the control units that can sent or
receive the RS232 protocol command.
2. Description
2.1 Hardware specification
Viewsonic TV communication port on the rear side
(1) Connector type: DSUB 9-Pin Male
(2) Pin Assignment
Male DSUB 9-Pin
(outside view)
Pin # Signal Remark
1 NC
2 RXD Input to Commercial TV or DS
3 TXD Output from Commercial TV or DS
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
frame GND
* Use of crossover (null modem) cable required for
use with PC.
2.2 Communication Setting
• Baud Rate Select: 9600bps (fixed)
• Data bits: 8bits (fixed)
• Parity: None (fixed)
• Stop Bits: 1 (fixed)
2.3 Command Message Reference
PC sends to Monitor command packet followed by “CR”. Every time PC sends
control command to the Monitor, the Monitor shall respond as follows:
1. If the message is received correctly it will send “+” (02Bh) followed by “CR” (00Dh)
2. If the message is received incorrectly it will send “-” (02Dh) followed by “CR”
(00Dh)

ViewSonic CDE3204 Specifications

General

Panel life	50000 h
Pixel pitch	- mm
Response time	8 ms
Display diagonal	32 \
Display brightness	350 cd/m²
Display technology	LED
Native aspect ratio	16:9
Vertical scan range	59.8 - 70.09 Hz
Horizontal scan range	31.47 - 63.98 kHz
LED backlighting type	Edge-LED
Supported video modes	480i, 480p, 720p, 1080i, 1080p
Display number of colors	16.78 million colors
Active display area (W x H)	698.4 x 392.85 mm
Wi-Fi	-
HDMI version	1.4
VGA (D-Sub) input ports	1
RMS rated power	20 W
Purpose	Retail
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	41 W
Orientation	Horizontal/Vertical
Product color	Black
Product design	Digital signage flat panel
Placement supported	Indoor
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	20 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Package depth	138 mm
Package width	794 mm
Package height	496 mm
Package weight	8070 g
Cables included	AC
Sustainability certificates	ENERGY STAR
Certification	UL, FCC, Energy Star 7.0, EPEAT, Mexico Energy, CE, ErP, EAC

Weight and Dimensions

Depth	57 mm
Width	733 mm
Height	431.2 mm
Weight	6300 g