Toshiba B-SX4T-GS20-QM-R manual Cts Dsr, Rts Dtr

(16) Interface Circuit

z Input Circuit

SN75189 or equivalent

RD

CTS

DSR

z Output Circuit

SN75188 or equivalent

TD

RTS

DTR

z Signal Levels
Input Voltage	H ...... +3 ~ +15 V
	L....... -3 ~ -15 V
Output Voltage	H ...... +6 ~ +13 V
	L....... -6 ~ -13 V

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