2. Specification

2.1. The Interface
2.1.1. NA-9473(MODBUS RS-485)

2.2. Specification
2.2.1. General Specification

2.2.2. Interface Specification

2.3. LED Indicator
2.3.1. Module Status LED (MOD)

2.3.2. Received Data LED (RXD)

2.3.3. Transmit Data LED(TXD)

2.3.4. Expansion Module Status LED (I/O)