Rs-232C Interface; Tcp/Ip-Connection - JVC DLA-X90R Instruction Manual

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.
RS-232C Speci cations
This unit
●
PC refers to the controller such as a personal computer.
Mode
Non-synchronous
Character Length
Parity
Start Bit
Stop Bit
Data rate
Data format

TCP/IP-connection

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 projector "P _O " and - within 5 seconds after
sending a "P REQ" to receive "P AC ". Please perform this operation
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 ".
Projector
TCP-layer connection establishment
TCP port number 20554
Three-way handshake
Control PC
Pin No. Signal
2 RxD
3 TxD
5 GND
1,4,6 - 9 N/C
8 bit
None
1
1
19200 bps
Binary
Within 5 seconds
ＰＪ_ＯＫ
ＰＪＲＥＱ
Connection authentication procedure
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Function Signal Direction
Receive data
Transmit data
Signal ground
-
D0 D1 D2 D3 D4 D5
Start Bit
after con rming the operating
ＰＪＡＣＫ
Projector Control
-
-
D6 D7
Stop Bit
87