2-3. Led Indicator; 3. Install Trp-C39S; 3-1. Power Connection; 3-2. Rs-232/422/485 Serial Devices Connection - Trycom Technology TRP-C39S User Manual

2-3. LED Indictor
PWR LED: System is ready.
RX LED: Data receiving.
TX LED: Data transmitting.

3. Install TRP-C39S

.
3-1 Power connection
The TRP-C39S is equipped with a 2-pin terminal block and power jack. Power can be supplied from
terminal block or external power adapter and supports wide input range from + 10~30V. When
power is correctly supplied the PWR LED will lighting and indicates the system is up. It is highly
recommended use the power jack specification 5.5*2.1*12mm if the power supply is from external
DC plug.
Warning: User can only choose one of following 2 power sources.
1. External DC adapter. 2. Screw terminal DC input
Do not use both power input simultaneously.

3-2. RS-232/422/485 serial devices connection

3-2-1.RS-232 wiring connection
3-2-2.RS-422 wiring connection
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