DB-9 Serial RS232 to RS485 / RS422 converter adapter
100% BRAND NEW & NEVER USED
Interface feature: meets or beats EIA-232 to EIA-485 and EIA-422 Specifications (with external power)
Electronic Interface: DB-9 hole connector of RS-232, DB9 pin connector of RS485/RS422, posts
Working method: Asynchronous full-duplex, half-duplex Differential transmission automatic selection, no need jumper setting
Transmission Media: shielded twisted pair or line.
Transfer speed:300-115.2 KBS
Dimensions: 60mmx35mmx18mm
Using environment: -25 ºC to 70 ºC , and relative humidity of 5% to 95%
Transmission distance: 1,200 meters(RS-485 terminal); five meters (RS-232 terminal)