Panasonic PT-LB51S specifications Serial connector, Pin assignments and signal names, Basic format

S P E C F I L E

Micro-Portable Wireless LCD Projector

PT-LB51S

Serial connector

The serial connector complies with RS-232C. To control the projector from a personal computer, com- mands must be input through communication software, based on the format and satisfying the commu- nication conditions shown below.

SERIAL

	8-pin DIN (male)	PC
CAUTIION	Serial adapter
Be sure to see that an optional serial adapter ET-ADSER and a
	ET-ADSER
RS-232C communication cable match the PC to be connected.
	Communication cable (RS-232C)

Pin assignments and signal names

2 1

53

8 6

Mini DIN 8-pin

No.	Signal name	Description	No.	Signal name	Description
1	–	Connected internally	5	TXD	Send data
2	–	Connected internally	6	–	Connected internally
3	RXD	Receive data	7	–	NC
4	GND	Ground	8	–	NC

Communication conditions (factory setting)

Signal level	RS-232C-compliant
Synchronization method	Start-stop synchronization
Baud rate	9,600 bps
Parity	None
Character length	8	bits
Stop bit	1	bit
X parameter	None
S parameter	None

Basic format

Transmission from the computer begins with STX, then the ID, command, parameter, and ETX are sent in this order. Add parameters according to the details of control.

STX

Start (1 byte)

CAUTIION

C1 C2 C3 : P1 P2 P3 P4

Colon Parameter

Command (1 byte) (1-4 bytes) (3 bytes)

(Control and/or query commands)

ETX

End

(1 byte)

When sending multiple commands, be sure to send the next command after receiving a response from the projector.

Cable specifications

Serial adapter

(ET-ADSER)

–	–
5	2
3	3
–	–
4	5
6	6
1	7
2	8
	–

Projector			PC (DTE)
	NC	NC
1			1
2			2
3			3
	NC	NC
4			4
5			5
	DSR	NC
6			6
7			7
8			8
	NC	NC
9			9

As of October 2008 < 7 >