INTERFACE SPECIFICATIONS

4th byte

Bit

 

Bit details

7

Indicates the

0000: Older series (CD16, CD162)

6

model number

0001: X-CD163 series

5

using 1 bit.

 

 

 

4

 

 

3

Spare

 

2

Spot monitor

1: Spot monitor operating

 

operation

 

1

Indicates the

00: 1

0

number of spot

01: 2

 

monitors using 2

10: 3

 

bits

 

11: 4

 

 

ALARM STATUS SENSE (D5)

Returns the multiplexer external alarm status (Table 2) using 6 bytes

RXD

D5

 

 

 

 

 

 

 

 

 

 

 

 

 

TXD

 

 

d1

 

d2

 

d3

 

d4

 

d5

 

d6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALARM STATUS SENSE (D5) bit allocation (Table 2)
Multiplexer commandsACK (0A)

Returned when the multiplexer receives a command.

NAK (0B)

Returned when the multiplexer does not receive a command.

ALARM (BF)

When there is alarm input, an ALARM command is sent as a header, and after this the alarm data (Table 3) is sent using 1 byte.

Alarm data (Table 3)

Bit

 

Bit details

7

Indicates the type of alarm

00: No alarm input

6

using 2 bits

01: External

 

 

10: Video loss

 

 

11: Motion sensor alarm

5

Spare

0

4

Spare

0

3

Indicates the camera

0000: Channel 1

2

number using 4 bits

0001: Channel 2

1

 

0010: Channel 3

0

 

0011: Channel 4

 

 

0100: Channel 5

1st byte

Bit

 

7

ALARM 8 ON

6

ALARM 7 ON

5

ALARM 6 ON

4

ALARM 5 ON

3

ALARM 4 ON

2

ALARM 3 ON

1

ALARM 2 ON

0

ALARM 1 ON

2nd byte

Bit

 

7

ALARM 16 ON*

6

ALARM 15 ON*

5

ALARM 14 ON*

4

ALARM 13 ON*

3

ALARM 12 ON*

2

ALARM 11 ON*

1

ALARM 10 ON*

0

ALARM 9 ON*

0101: Channel 6

0110: Channel 7

0111: Channel 8

1000: Channel 9

1001: Channel 10*

1010: Channel 11*

1011: Channel 12*

1100: Channel 13*

1101: Channel 14*

1110: Channel 15*

1111: Channel 16*

3rd byte

Bit

 

7

SENSOR 8 ON

6

SENSOR 7 ON

5

SENSOR 6 ON

4

SENSOR 5 ON

3

SENSOR 4 ON

2

SENSOR 3 ON

1

SENSOR 2 ON

0

SENSOR 1 ON

4th byte

Bit

 

7

SENSOR 16 ON*

6

SENSOR 15 ON*

5

SENSOR 14 ON*

4

SENSOR 13 ON*

3

SENSOR 12 ON*

2

SENSOR 11 ON*

1

SENSOR 10 ON*

0

SENSOR 9 ON*

*: Command for MPX-CD163 only

5th byte

Bit

 

7

VIDEO LOSS 8 ON

6

VIDEO LOSS 7 ON

5

VIDEO LOSS 6 ON

4

VIDEO LOSS 5 ON

3

VIDEO LOSS 4 ON

2

VIDEO LOSS 3 ON

1

VIDEO LOSS 2 ON

0

VIDEO LOSS 1 ON

6th byte

Bit

 

7

VIDEO LOSS 16 ON*

6

VIDEO LOSS 15 ON*

5

VIDEO LOSS 14 ON*

4

VIDEO LOSS 13 ON*

3

VIDEO LOSS 12 ON*

2

VIDEO LOSS 11 ON*

1

VIDEO LOSS 10 ON*

0

VIDEO LOSS 9 ON*

*: Command for MPX-CD163 only

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