Installation manual

Bosch Security Systems | 2004-11
DVR1A1081 | Installation Manual | Chapter 5 EN | 19
5Specifications
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.
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.
Pin Pin
DVR1C1161 HOST
1 NC 1 NC
2 TXD 2 RXD
3 RXD 3 TXD
4 NC 4 DTR
5 GROUND 5 GROUND
6 NC 6 DSR
7 NC 7 RTS
8 NC 8 CTS
9 +5V 9 NC
ASCII
CODE
FUNCTION Keypad in
front panel
K01 Start Recording REC
K03 Stop Recording and
Playing back
STOP
K04 Playing back PLAY
K05 Pause the playback
picture
PAUSE
K06 Search playback SEARCH
K00 Copy picture into
CF card
COPY
K02 On screen display DISPLAY
K07 Confirm the
selection
ENTER
K08 Enter Setting Menu MENU
K09-
K15
Fast reverse
playback speed
<< 1-640 X,
1/2-1/64
K16 -
K22
Fast playback speed >> 1-640 X,
1/2-1/64
K23 Rewind the still
image
JOG-REW
K24 Advance the still
image
JOG-FF
EazeoRecorderInstalA.book Page 19 Tuesday, November 23, 2004 3:47 PM