Revision: 05/16/2013
For the most up-to-date information, please visit: www.startech.com
DB92422
422 RS485 Serial DB9 to Terminal Block Adapter
Signal 9 Pins
TXD- (DATA-) 1
TXD+ (DATA+) 2
RXD+ 3
RXD- 4
GND 5
NC 6
NC 7
NC 8
NC 9
Secure lock screws
DB9 female connector
3.5mm pitch terminal
block connector
-TXD+ (DATA+)
-TXD- (DATA-)
-RXD+
-RXD-
-GND
TXD+ (DATA+)
TXD- (DATA-)
RXD+
RXD-
GND
5-pin Terminal Blacks Pin Assignment
DB9-Female Pin Assignment
*NC = No connection
5 1
9 6
Front View
Rear View