NEC 2400IMX PB terminal becomes plus + when the port, Controls ON/OFF of the ER terminal

				PA-IO02-A (IOC)
SWITCH	SWITCH NO.	SETTING	STANDARD	MEANING
NAME			SETTING
SW02		ON	⋅	PB terminal becomes minus (-) when the port
(for Port 0)				terminal is busy.
	1
SW12
		OFF		PB terminal becomes plus (+) when the port
(for Port 1)
				terminal is busy.
		ON	⋅	Sets the ER terminal of the port to Always ON.
	2
		OFF		Controls ON/OFF of the ER terminal of the
				port by the CPU.
	3	ON		DR signal lead is not to be used to the port.
		OFF	⋅	DR signal lead is to be used to the port.
	4	ON	⋅	CD signal lead is not to be used to the port.
		OFF		CD signal lead is to be used to the port.
	5	ON		CS signal lead is not to be used to the port.
		OFF	⋅	CS signal lead is to be used to the port.
	6	ON		CI signal lead is not to be used to the port.
		OFF	⋅	CI signal lead is to be used to the port.
	7	ON	⋅	PB signal lead is not to be used to the port. Note
		OFF		PB signal lead is to be used to the port.
	8	OFF	⋅	Not used.

Note: When setting SW02-7/SW12-7 to ON, set SW02-1/SW12-1 to ON, also.

NDA-24282CHAPTER 4

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