RS232C CONTROL
COMMANDS AVAILABLE FROM THE
MULTIPLEXER
ACK (0A)
Response when this unit receives a command.
NAK (0B)
Response if this unit did not receive the command.
ALARM (BF)
When there is an alarm, this command is sent as header. Then,
the alarm information is sent in a 1-byte transmission (see Table
3).
ALARM information (Table 3)
Bit
Bit state information
7
Alarm information
indication
01: External
6
10: Video loss
11: Sensor alarm
5
Reserved
0
4
Reserved
0
3
Camera number
indication
0011: CAMERA NO. 4
2
0010: CAMERA NO. 3
1
0001: CAMERA NO. 2
0
0000: CAMERA NO. 1
OTHER COMMANDS
ENTER (40)
When numeric commands are all sent, this command is used to
enter the transmitted value.
CLEAR (56)
To erase multiple byte commands.
L8FH5/XE (MPX-CD4P, MD4P GB) 1999. 12. 2
English
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