NEXCOM VTC 1010 - Manual (Page 74)

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Appendix C: Pin Definition for Multiport Cable
VTC 1010 User Manual
USB Connector
Connector type: USB Female, Type A
Connector location: P6
P1 Pin P6 Pin Definition
6 1 USB1_POWER (+5V)
7 2 USB_2N_L (-)
8 3 USB_2P_L (+)
9 4 USB_GND (GND)
1 4
RS422/485 Connector
Connector type: DB9, Male
Connector location: P7
P1 Pin P7 Pin Definition
21 1 RS485_+
20 2 RS485_-
11 3 RS422_TX+
10 4 RS422_TX-
25 5 ISO_GND
6, 7, 8, 9 NC
1 5
6 9