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RS-232C Interface
It is possible to control this machine, if it is connected by an RS-232C cross cable (D-Sub9
pin) to a PC. Otherwise, this machine can be controlled via a computer network by connecting
it with a LAN cable and sending of control commands. Please use it after you have understood
this by reading professional books, or by discussing it with a system administrator.
㩷㩷
㩷
Before you can control it via LAN, you have to establish a TCP-connection via a "3-way-handshake". It is
necessary for a connection authentication to send from the proje
ctor "P-_O." and - within 5 seconds after
sending a "P-REQ" ± to receive "P-AC.". Please perform this operation ± after con¿rming the operating
status of the projector - again after establishment of a TCP connection, if you cannot send within 5 seconds
"P-_NG" or could not receive "P-NA.".
RS-232C Speci¿cations
Pin No. Signal Function Signal Direction
2 RxD
Receive data 3&ĺ7KLVXQLW
3 TxD
Transmit data 7KLVXQLWĺ3&
5 GND
Signal ground
-
1,4,6 - 9 N/C - -
Mode
Non-synchronous
Character Length
8 bit
Parity
None
Start Bit
1
Stop Bit
1
Data rate
19200 bps
Data format
Binary
This unit
Start Bit
Stop Bit
D6 D7D4 D5D2 D3D0 D1
●
PC refers to the controller such as a personal computer.
TCP/IP-connection
Control PC
Projector
ＰＪ_ＯＫ
ＰＪＲＥＱ
ＰＪＡＣＫ
Connection authentication procedure
Within 5 seconds
Projector Control
TCP-layer connection establishment
TCP port number 20554
Three-way handshake
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