Expand Serial Command Specification
Page 6 of 46
1. Overview
1.1. This Functional Specification defines the Network Card and the communication functions for
LV-7565.
1.2. A Projector firmware Ver. 1.x -ready
1.3. Commands are to communicate to Network card, but most commands control a remote Projector
with PC installed RS232C. That’s why commands are defined as expand serial commands.
2. Serial Interface Specification
2.1. Communication Specification
Item
Specification
Synchro system
Asynchronou
Transmission Speed
9600 / 19200
Date Length
8 bit
Parity None
Stop Bit
1
Flow Control
None
(1) Transfer rate: initial setting value is 19200.
(2) Transfer rate can be changed by service mode
2.2. Connection
Use dedicated serial cable that comes with the Projector must be used for a connection to a
computer and a Projector.
PC
Projector
COM 1
Control Port
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
CD
SG
RXD
TXD
DTR
DSR
RTS
CTS
RING
(D-Sub 9 pin) (Mini DIN-8 pin)