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TEC B-372-QP Manual page 21

General-purpose thermal label/tag printer
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(16) Interface Circuit

Input Circuit
RD
CTS
DSR

Output Circuit
TD
RTS
DTR

Signal Levels
Input Voltage
Output Voltage H........+6 ~ +13V
H........+3 ~ +15V
L ........-3 ~ -15V
L ........-6 ~ -13V
- 5 -
SN75189 or equivalent
SN75188 or equivalent

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This manual is also suitable for:

B-572-qpB-572-qqB-672-qpB-672-qqB-872-qpB-872-qq

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