User`s manual

UC-8410 Hardware User’s Manual Hardware Connection Description
Connecting to a Serial Device
Use properly wired serial cables to connect the UC-8410 to serial devices. The UC-8410’s serial
ports (P1 to P8) use 8-pin RJ45 connectors. The ports can be configured by software for RS-232,
RS-422, or 2-wire RS-485. The precise pin assignments are shown in the following table:
18
Pin RS-232
RS-422/
RS-485-4w
RS-485-2w
1 DSR --- ---
2 RTS TXD+ ---
3 GND GND GND
4 TXD TXD- ---
5 RXD RXD+ Data+
6 DCD RXD- Data-
7 CTS --- ---
8 DTR --- ---
Connecting to the Console Port
The UC-8410’s console port is a 4-pin pin header RS-232 port. Refer to the following figure for
console port cable pin assignments.
Serial console Port&Pinouts Serial Console Cable
Pin Signal
1 TxD
2 RxD
3 NC
4 GND
4-4