PUSR USR-TCP232-302 - 2.1.2. Serial Port; 2.1.3. Ethernet Port

USR-TCP232-30x Series User Manual
pusr.com
1
- 6 -
2.1.2. Serial port
Table 2. Serial port pin description
Model
Type
Description
USR-TCP232-302
RS232, DB9 female
2: RxD
3: TxD
5: GND
USR-TCP232-304
RS485
A: Data+
B: Data-
USR-TCP232-306
RS232, DB9 male
2: TxD
3: RxD
5: GND
RS485/RS422
For RS485
A: Data+
B: Data-
For RS422
T+: Transmit data (+)
T-: Transmit data (-)
R+: Receive data (+)
R-: Receive data (-)
2.1.3. Ethernet port
USR-TCP232-30x series adopt 10Base-T/100Base-TX adaptive Ethernet RJ45 interface which supports
automatic MDI/MDIX connection.
Figure 3. RJ45 with light