Dot Origin VTAP100 Installation Manual - Page 9

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Figure 3-3 VTAP100 captive power cable or RS232 connection
The connector J1 includes both USB and RS232 signals, as follows:
Pin
Function
1
GND
2
USB D+
3
+5V supply
4
USB D-
5
RS232 RXD (input)
6
Reserved (sense input)
7
RS232 TXD (output)
8
Reserved (sense GND)
VTAP100-OEM V3A INSTALLATION GUIDE
PAGE 5