ULI-224TE - Heavy Industrial RS-232 (DB9 Female To RS-422/485 (Terminal Block) Converter. Panel Mount Metal Chassis

BB-485DRCI-PH - Advantech Co. Ltd.

Converts RS-232 data signals to RS-422/RS-485
Three-way 2 KV optical isolation (input, output, power)
Wide operating temperature: -40 to +85 °C
Modbus ASCII/RTU
Rugged IP30 metal panel mount case, DB9 F / TB
10-48 Vdc input power (external power supply required, sold separately)
UL C1/D2, IEEE-61850-3, IEEE-1613