18
Multiplexer 16
DESCRIPTION OF THE RS-232 CONNECTOR AND ASCII COMMANDS
A - RS-232 connector connections
RS-232 Transmission protocol
Baund Rate: 1200
Start Bit: 1
Data Bits:
8
Parity Bit: none
Stop Bit:
1
B - The commands in ASCII code can enable a computer to control all the multiplexer
functions. Each ASCII code consists of three characters. The first character repre-
sents the command and is followed by slash /. The characters which follow the
slash / represent the command parameters.
Refer to the table below.
Pin No
Pin Assigned
Pin Assigned
Pin No
1
Earth
14
NC
2
RS 232 TX
15
NC
3
RS232 RX
16
NC
4
NC
17
NC
5
NC
18
NC
6
NC
19
NC
7
20
NC
8
NC
21
NC
9
NC
22
NC
10
NC
23
NC
11
NC
24
NC
12
NC
25
NC
13
NC
MONITORING FUNCTION
ASCII CODE
FUNCTION
ASCII CODE
FUNCTION
//PP
PIP/-
/22
2X2/+
/33
3X3/left arrow
/PL
PLAYBACK
/01-/9
CAMERA 1-9
/SQ
SEQUENCE
/LV
LIVE
/FZ
FREEZE
/SL
/SELECT
/IU
The insert UP
/ME
MENU
/IL
The insert LEFT
/ID
The insert DOWN
/AR
ALARM-RESET
/IR
The insert RIGHT
PROGRAMMING FUNCTION
ASCII CODE
FUNCTION
ASCII CODE
FUNCTION
/PU
PAGE UP
/PD
PAGE DOWN
/UA
UP ARROW
/DA
DOWN ARROW
/LA
LEFT ARROW
/RA
RIGHT ARROW
/EN
END
Earth
Pin No
Pin Assigned
Pin Assigned
Pin No
1
Earth
14
NC
2
RS 232 TX
15
NC
3
RS232 RX
16
NC
4
NC
17
NC
5
NC
18
NC
6
NC
19
NC
7
20
NC
8
NC
21
NC
9
NC
22
NC
10
NC
23
NC
11
NC
24
NC
12
NC
25
NC
13
NC
MONITORING FUNCTION
ASCII CODE
FUNCTION
ASCII CODE
FUNCTION
//PP
PIP/-
/22
2X2/+
/33
3X3/left arrow
/PL
PLAYBACK
/01-/9
CAMERA 1-9
/SQ
SEQUENCE
/LV
LIVE
/FZ
FREEZE
/SL
/SELECT
/IU
The insert UP
/ME
MENU
/IL
The insert LEFT
/ID
The insert DOWN
/AR
ALARM-RESET
/IR
The insert RIGHT
PROGRAMMING FUNCTION
ASCII CODE
FUNCTION
ASCII CODE
FUNCTION
/PU
PAGE UP
/PD
PAGE DOWN
/UA
UP ARROW
/DA
DOWN ARROW
/LA
LEFT ARROW
/RA
RIGHT ARROW
/EN
END
Earth