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MISCELLANEOUS
R699900 - Eos Series User Manual 39
18.0 MISCELLANEOUS
18.1  RS-232C protocol
Serial communication specifications
Control of this unit is possible using a computer or automation device connected with a RS-232 cross cable
(female - female D-sub 9 pins cable) or LAN/ RJ-45 cable. Communication specications for this unit are as
follows:
Baud Rate 19200 bps
Data Format Binary
Mode Asynchronous
Parity None
Start Bit 1 bit set to high
Stop Bit 1 bit set to low
X on/off None
Flow Control None
RS-232C pin assignation
Pin Signal Function Signal Direction
2RxD receive data PC -> Projector
3 TxD transmit data Projector -> PC
5GND ground -
1, 4, 6-9 NC - -
Command Format
Header Command Command Data End of Data
21h 89h 01h 2 - 4 bytes variable 0Ah
Header : 21h 89h 01h for operating commands or 3Fh 89h 01h for reference command.
Command: from 2 to 4 bytes length
Command Data: variable length
End of Data xed to 0Ah
Operating commands
Here is a non exhaustive operating commands list.
Function Command Command Data Description
Connection check 00h 00h none Check the connection in standby mode
Power 50h 57h 30h / 31h Switch Off (Standby mode) / On.
Inputs 49h 50h 36h / 37h Switch active input to HDMI1 / HDMI2
Power /w conrm 52h 43h 37h 33h 30h 35h Switch this unit On.
37h 33h 30h 36h Switch this unit Off. (send twice)
Switch input 52h 43h 37h 33h 30h 38h Switch to next input
37h 33h 37h 30h Switch input to HDMI1
37h 33h 37h 31h Switch input to HDMI2
Keypad 52h 43h 37h 33h 30h 31h UP
37h 33h 30h 32h DOWN
37h 33h 30h 33h BACK
37h 33h 32h 45h MENU
37h 33h 32h 46h OK
37h 33h 33h 34h RIGHT
37h 33h 33h 36h LEFT
1
6
5
9
39


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