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2-2-2 Expansion I/O Unit Components
Expansion I/O Unit with 20 I/O Terminals
1. Input terminals
5. Expansion I/O connecting cable
3. Input indicators
6. Expansion connector
4. Output indicators
2. Output terminals
Expansion I/O Unit with 8 Input Terminals
1. Input terminals
5. Expansion I/O connecting cable
3. Input indicators
6. Expansion connector
1. Input terminals
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Expansion I/O Unit with 8 Output Terminals
5. Expansion I/O connecting cable
6. Expansion connector
4. Output indicators
2. Output terminals
2. Output terminals
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1, 2, 3... 1. Input Terminals
Connects the CPU Unit to external input devices.
2. Output Terminals
Connects the CPU Unit to external output devices.
3. Input Indicators
The input indicators are lit when the corresponding input terminal is ON.
4. Output Indicators
The output indicators are lit when the corresponding output terminal is ON.
5. Expansion I/O Connecting Cable
Connects the Expansion I/O Unit to the expansion connector on the PC’s
CPU Unit, an Expansion Unit, or another Expansion I/O Unit.
Unit Components
Section 2-2
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