USR IOT USR-TCP232-306 - Hardware Design; Hardware Dimensions; DB9 Pin Definition

USR-TCP232-306 User Manual Technical Support: h.usriot.com
Jinan USR IOT Technology Limited www.usriot.com
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1.2. Hardware Design
1.2.1. Hardware Dimensions
Figure 3 Hardware dimensions
1.2.2. DB9 Pin definition
Pin
2
3
5
1, 4, 6, 7, 8
9
Definition
RXD
TXD
GND
NC
Default NC, can be
used as power pin
Figure 4 DB9 Pin