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Glossary
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38
VESR321 Series
DB9M Pin
RS-232
Direction (RS-
232)
RS-422/485 4-
Wire
RS-485 2-Wire
1
DCD
Input
RDA (-)
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2
RD
Input
RDB (+)
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3
TD
Output
TDB (+)
Data A (-)
4
DTR
Output
TDA (-)
Data B (+)
5
GND
---
GND
GND
6
DSR
Input
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7
RTS
Output
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8
CTS
Input
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9
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Summary of Contents for Vlinx VESR321
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