Pelco TLR3168 operation manual Connecting the VCR to a PC, Connecting to a PC for Remote Control

IMPORTANT: Before con- necting the hardware, un- plug the VCR’s power cord from the wall outlet, and turn off the PC.

CONNECTING THE VCR TO A PC

PERSONAL

COMPUTER

RS-232C
TERMINAL
RS-232C CROSSED CABLE					RS-232C
					IN TERMINAL
				BATTERY	OPEN
ALM RST REC GND	MODE	CLK	CALL
IN	OUT
REMOTE MIC IN	OUT	IN	OUT	RESET
	AUDIO		VIDEO
					00436

Figure 8. VCR to PC Connection

1.Connect the RS-232C cross cable to the PC’s RS-232C terminal.

2.Connect the other end of the cable to the VCR’s RS-232C terminal.

For instructions on how to set the RS-232C interface board setting, refer to the Assigning the RS-232C Settings section.

CONNECTING TO A PC FOR REMOTE CONTROL

You can remotely control the VCR using a personal computer that has an RS-232C serial port.

Physical Protocol of RS-232C

Table A. RS-232C Protocol

	Signal Line		Directions
No.	Names	Meanings	(from VCR side)		DB9 MALE
2	RD	Receive data	INPUT	5	4	3	2	1
3	SD	Transmit data	OUTPUT
4	ER	Data terminal ready	OUTPUT		9	8	7	6
5	SG	Signal ground	--
6	DR	Data set ready	INPUT		RS-232C
7	RS	Request send	OUTPUT
								00437
8	CS	Clear to send	INPUT

Data Communication Settings

Synchronization:	Asynchronous
Transmission rate:	1200/2400/4800/9600 bps
Data bit length:	8bit/7bit
Stop bit length:	1bit/2bit
Parity bit:	NONE/Even/Odd
Xcontrol:	Nil
S parameter:	Nil
CS-RS handshake:	With
Delimiter code for send:	CR(0DH)/CR(0DH)+LF(0AH)
Delimiter code for receive:	CR(0DH)/CR(0DH)+LF(0AH)

16 Pelco Manual C673M (2/01)