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Page 28 Matrix Switching System—Instruction Manual
Response Packet Byte Descriptions
ACK Type A
ACK Byte CRC
ACK Byte (ACK Type A, B, and C)
7 6 5 4 3 2 1 0
ACC X X M4 M3 M3 Ml MO
Accept Reserved Reserved Machine ID (5-bit address)
ACC: Accept: 0: Reject received command
1: Accept command
ACK Type B
ACK
Byte
Length
Byte
Output
Byte 1
Input
Byte 1
Output
Byte n
= = =
Input
Byte n
CRC
Length Byte (ACK Type B)
L7 L6 L5 L4 L3 L2 L1 L0
Number of Output and Input Bytes to follow not including CRC
Output Byte (ACK Type B)
O7 O6 O5 O4 O3 O2 O1 O0
Refer to Command Table
Input Byte (ACK Type B)
I7 I6 I5 I4 I3 I2 I1 I0
Refer to Command Table
ACK Type C
ACK
Byte
Length
Byte
Information
Byte
Supported
Output
Ports
Supported
Input
Ports
Machine
Name 1
= =
Machine
Name n
CRC
Length Byte (ACK Type C)
L7 L6 L5 L4 L3 L2 L1 L0
Count of Information Input Bytes to follow not including CRC
Information Byte (ACK Type C)
7 6 5 4 3 2 1 0
AS VS X X TM4 TM3 TM1 TM0
Audio
Support
Video
Support
Reserved Reserved Total Memory Locations Available
AS: Audio Support 0: Audio command not supported
1: Audio command supported
VS: Video Support 0: Video command not supported
1: Video command supported