General (X) Humidity (B) 0 ~ 95%, non-condensing Interface RS-232 to RS-422/485 Isolation Protection 2000 VDC Connector RS-232: DB9 Female, Terminal Block; RS-422/485: Terminal Blocks
Environment Temperature (Storage Range) -40~85°C (40~185 °F) Temperature (Operating Range) -40 ~ 80° C (-40 ~ 176° F)