Intermec PX4i Double Serial Interface Kit Installation Instructions - Page 35

uart5

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Chapter 4 - Serial Interface "uart3:", "uart4:", and "uart5:" Connector Configuration (RS-422 Non-isolated on "uart3:", "uart4:", or "uart5:") DB-9 socket 1 Signal 2 +TXD 3 +RXD 4 - 5 GNDE 6 - 7 -RXD 8 -TXD 9 - Meaning External +5VDC max 500 mA (automatic switch-off at overload, short-circuit protected) provided strap is moved from J6 B to J6 A +Transmit data +Receive data Ground -Receive data -Transmit data 5 9 GND 4 -TXD 8 -RXD 3 7 +RXD 2 6 +TXD 1 +5V (0.5 A) RS-422 socket as seen from the outside. Double Serial Interface Kit Installation Instructions 31

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4
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1
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+TXD
+5V (0.5 A)
+RXD
GND
-RXD
-TXD
Double Serial Interface Kit Installation Instructions
31
Chapter 4 — Serial Interface "uart3:", "uart4:", and "uart5:"
Connector Configuration (RS-422 Non-isolated on "uart3:", "uart4:", or
"uart5:")
DB-9 socket
Signal
Meaning
1
External +5VDC max 500 mA (automatic switch-off
at overload, short-circuit protected) provided strap is
moved from J6 B to J6 A
2
+TXD
+Transmit data
3
+RXD
+Receive data
4
–
5
GNDE
Ground
6
-
7
-RXD
-Receive data
8
-TXD
-Transmit data
9
–
RS-422 socket as seen from the outside.