User Manual

Matrix Switching System—User Manual

A-2 Device ACK Packet

When the device receives supported commands comes from the host, and then will response with following ACK:

Table

– ACK Type List

Ack Type Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6

… Last Byte

Type A

Type B

Type C

Type D

Type E

AB

AB

AB

AB

AB

LB Index 1 Value 1 Index 2 Value 2

…

LB

LB

LB

Data 1

INF

Data 2

OP IP Name 1

…

EXINF VEINF AEINF PLUG

…

CB

CB

CB

CB

CB

A-2.1 ACK Type A

ACK Byte + CRC Byte (Total 2 Bytes)

Name Bit 7

AB

ACC

Bit 6

0

Bit 5

0

Bit 4 Bit 3 Bit 2 Bit 1

Device ID (0

– 31)

CB

CRC

ACC: The devices acknowledge status. Accept or Reject.

1: device accepts this request. (ACK; acknowledge)

0: device rejects this request. (NAK; negative acknowledge)

 The device sends the Nak packet is always 2 bytes. (NAK + CRC)

0: Reserve, Always 0.

1: Identifier, Always 1.

Device ID: Device id ranges from 0 to 31. (

Please refer to device‟s user manual)

Bit 0

CRC: Device always sends the CRC code to follow the last byte.

31