Specifications; Rs-232 Interface; Rs-232 Control Protocol - Bosch DVR1A1081 Installation Instructions Manual

EazeoRecorderInstalA.book Page 19 Tuesday, November 23, 2004 3:47 PM
DVR1A1081 | Installation Manual | Chapter 5
5

Specifications

5. 1 RS-232 interface

The DVR can be controlled by a computer or a
terminal via the standard D-SUB 9-pin RS-232
connector.
Pin
DVR1C1161
1 NC
2 TXD
3 RXD
4 NC
5 GROUND
6 NC
7 NC
8 NC
9 +5V
The transmission setting is 9600 baud rate, 8 data bits, 1
start bit, 1stop bit and no parity.

5.1.1 RS-232 control protocol

A computer or a terminal can be used to control the unit
by sending three character ASCII commands through
the RS232 connector, these ASCII commands are
started with 'K' or 'k'. There are 30 ASCII commands
mapped to the 30 keypads in the front panel. The 30
ASCII commands are shown on the following table.
Bosch Security Systems | 2004-11
ASCII
CODE
K01
K03
Pin
K04
HOST
K05
1 NC
2 RXD
K06
3 TXD
K00
4 DTR
5 GROUND
K02
6 DSR
K07
7 RTS
8 CTS
K08
9 NC
K09-
K15
K16 -
K22
K23
K24
FUNCTION Keypad in
front panel
Start Recording REC
Stop Recording and STOP
Playing back
Playing back PLAY
Pause the playback PAUSE
picture
Search playback SEARCH
Copy picture into COPY
CF card
On screen display DISPLAY
Confirm the ENTER
selection
Enter Setting Menu MENU
Fast reverse << 1-640 X,
playback speed 1/2-1/64
Fast playback speed >> 1-640 X,
1/2-1/64
Rewind the still JOG-REW
image
Advance the still JOG-FF
image
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