User's Manual

VT-M2M-LV
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3.5.3 D Sub-9 RS232 or RS485 Connector
Standard vertical DB-9 male connector
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Pin Description Remarks
1 NC or RS485_A
2 RXD2 or RS485_B I
3 TXD2 O
4 NC
5 DGND P
6 NC
7 NC
8 NC
9 NC