Db9 coin counter/switch on com1 serial port – Chicago Gaming Nicktoons Racing User Manual
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4.3. DB9 Coin Counter/Switch on COM1 Serial port
The Coin counter and coin switch are hooked up to COM1 Serial port via the Mother Board D815EFV /
D815EPFV. It also gets +12VDC from the computers power cable for disk drives (see next table).Table 4,
ASRock M810LMR Mother board, COM1 port connector
Table 5, COM1 DB9 Coin Counter & Coin Switch Circuit
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