Interface specifications, Rxd txd – Sanyo MPX-MD162 User Manual
Page 52
INTERFACE SPECIFICATIONS
ALARM STATUS SENSE(D5)
The external and video loss alarm states are indicated by a
6-byte response (see Table 2).
ALARM STATUS SENSE(D5) byte assignment
(Table 2)
First byte
Second byte
Bit
Bit
7
ALARM ON 8
7
ALARM ON 16
6
ALARM ON 7
6
ALARM ON 15
5
ALARM ON 6
5
ALARM ON 14
4
ALARM ON 5
4
ALARM ON 13
3
ALARM ON 4
3
ALARM ON 12
2
ALARM ON 3
2
ALARM ON 11
1
ALARM ON 2
1
ALARM ON 10
0
ALARM ON 1
0
ALARM ON 9
Third byte
Fourth byte
Bit
Bit
7
SENSOR 8
7
SENSOR 16
6
SENSOR 7
6
SENSOR 15
5
SENSOR 6
5
SENSOR 14
4
SENSOR 5
4
SENSOR 13
3
SENSOR 4
3
SENSOR 12
2
SENSOR 3
2
SENSOR 11
1
SENSOR 2
1
SENSOR 10
0
SENSOR 1
0
SENSOR 9
Fifth byte
Sixth byte
Bit
Bit
7
VIDEO LOSS 8
7
VIDEO LOSS 16
6
VIDEO LOSS 7
6
VIDEO LOSS 15
5
VIDEO LOSS 6
5
VIDEO LOSS 14
4
VIDEO LOSS 5
4
VIDEO LOSS 13
3
VIDEO LOSS 4
3
VIDEO LOSS 12
2
VIDEO LOSS 3
2
VIDEO LOSS 11
1
VIDEO LOSS 2
1
VIDEO LOSS 10
0
VIDEO LOSS 1
0
VIDEO LOSS 9
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
00: No alarm
6
01: External
10: Video loss
11: Sensor alarm
5
Reserved
0
4
Reserved
0
3
Camera number
indication
0000: CAMERA NO. 1
2
0001: CAMERA NO. 2
1
0010: CAMERA NO. 3
0
0011: CAMERA NO. 4
0100: CAMERA NO. 5
0101: CAMERA NO. 6
0110: CAMERA NO. 7
0111: CAMERA NO. 8
1000: CAMERA NO. 9
1001: CAMERA NO. 10
1010: CAMERA NO. 11
1011: CAMERA NO. 12
1100: CAMERA NO. 13
1101: CAMERA NO. 14
1110: CAMERA NO. 15
1111: CAMERA NO. 16
D5
d1
d2
d3
d4
d5
d6
RXD
TXD
L8FC5/US (MPX-CD162, MD162 GB) 2000. 8. 31
English
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