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C l e a r L i n k H a r d w a r e M a n u a l / R e v . 1 . 0 0
2 5
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EKNIC
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P H O N E ( 5 8 5 ) 7 8 4 - 7 4 5 4
COM-0 configured for 5V logic UART devices
Typical Hookup Details
1
2
3
4
5
6
7
8
5VOB
2k
130
130
2k
5V
COM-0_RTS
COM-0_CTS
COM-0_TX
COM-0_RX
View looking into jack
COM Port Equivalent Circuit
COM-0
ClearLink internal
1
2
3
4
5
6
7
8
Data Out
Data In
GND
~Buffer Full
~Stop Data Out
5V Power In
COM-0 For use with 5V logic UART devices
(non-inverting)
“TTL” UART
port device
● 5VOB supplies 5V power for any loads connected to COM-0 connector
● Total current available from 5VOB is 450mA
COM-0 configured for 5V UART devices