User's Manual

ALXC2X USER MANUAL
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3. Configuration with ACM
The host control interface are used for transferring the Alinket Controller Message (ACM), Flow
Control signal and Power Save signal between Host Board and ALX module.
3.1 Hardware Reference Model
The Host Control Interfaces are used to connect Host Board and ALX Controller. It includes ACM Bus,
Flow Control Bus (Hardware Flow Control mode) and Power Save Bus (Power Save feature enabled).
Figure 7 Hardware Reference Model
3.2 ACM Bus
ACM Bus is the interface for exchanging the message between Host Board and ALX Controller. It
could be the UART interface and SPI interface.
The messages are the control commands from Host Board, the response of commands from ALX
Controller and alarm event from ALX Controller.
Input and output are UART interface with TTL level signals.
Figure 8 Connection Diagram