Interface Circuit; Input Circuit; Output Circuit; Signal Levels - Toshiba B-SX4T Series Specification

(16) Interface Circuit

Input Circuit

RD
CTS
DSR

Output Circuit

TD
RTS
DTR

Signal Levels

Input Voltage
Output Voltage H ...... +6 ~ +13 V
H ...... +3 ~ +15 V
L....... -3 ~ -15 V
L....... -6 ~ -13 V
- 12 -
SN75189 or equivalent
SN75188 or equivalent