Chinese 
English 
转换器
USB to RS485 Compact Overmolded Converter
USB485 Converter is a USB to RS-485 converter which provides a simple low cost means of connecting a PC to an RS485 network in a very compact form factor.
$12.50
RS232 to RS485 converter
Module T3-485-1 can change TXD and RXS signal data of RS232 serial interface to twisted pair RS485. The unti-scavenges power is from the RS232 lines so there is no need for an external power source. Pin3 (TXD) , Pin7 (RTS) and Pin4 (DTR) provide enough power. Auto flow control means you don’t have to install special drivers. The cable provided connects to most Temco controls equipment directly. It can be easily cut and customized in the field or write to us and we’ll make a custom version for you at no extra charge.
$17.50