Features
32 channel relay multiplex board

1: maximum 32 switch board
    Support 16 pick 2
    Support 8 Pick 4
    Reusable, single use
    High sensitivity switching 10ms ON/OFF
    Handover capability: DC30V/1A, AC250V/0.3A

2: 1 line photoelectric isolation input
    With input status indication
    Input voltage: DC/AC 5-24V

3: RS232C instruction input, ASCII instruction format
    Nineteen thousand and two hundred
    N
    Eight
    One

4: cascade using RS485 standard
    Support for 2 bit address selection
    The same module can support 4 cascaded

5: wide voltage input
    5V-24V

6: Mechanical Dimensions
    70*120*15mm