Bosch Security Systems | 2004-11
DVR1A1081
| Installation Manual | Chapter 5
EN
| 19
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.
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
