(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

- 7 -

Page 11
Image 11
Toshiba B-850 manual Interface Circuit Input Circuit SN75189 or equivalent, Cts Dsr, Output Circuit SN75188 or equivalent