Converter rs232 to rs485 rs422 for Card Access Control Systems

Converter rs232 to rs485 rs422 for Card Access Control Systems

Advantage

1.?Three?kinds?of?data?traffic?lights?and?timely?communication?of?directives?and?support?the?communication?with?RS-232?????to?the?RS-422?and?RS-232?to?RS-485?.

?2.Built-in?light?packer, ?and?DC?/?DC?DC?converters, ?to?provide?3500V?isolation?voltage, ?fast?Transient?voltage?suppressor?(TVS)?can?effectively?restrain?the?Lightning?.And?the?ESD?to?provide?600W?per?line?lightning?surge?protection?power, ?can?effectively?prevent?the?lightning, ?and?a?total?interruption.

?3.Optical?Isolated?Interface?Converter?internal?circuitry?can?automatically?sense?the?direction?of?data?flow?and?automatically?switch?to?enable?to?control

?4.Optical?Isolated?Interface?Converter?internal?circuitry?can?automatically?sense?the?direction?of?data?flow?and?automatically?switch?to?enable?to?control.

?5.RS-232?port?via?a?DB9?female?connector?head?connected?to?the?computer?serial?port, ?RS-422/RS-485?side?through?the?DB9?pin?
???Head?or?with?a?plug?to?facilitate?connection?of?the?six?terminals.

?6.Widely?used?in?industrial?automation?control?systems, ?card?access?control?systems, ?leave?without?pay?parking?lot?systems, ?
???Automated?banking?systems, ?bus?fare?system, ?, ?attendance?management?systems, ?highway?toll?station?systems, ?etc.?

Specification

Product?Model:?EA-05?

Product?Dimension?:?90mmX65mmX25.5mm

Working?Voltage?:??DC9V

Interface?Feature:?compatible?with?RS-232C, RS-485/RS-422;

Electrical?Interface?:?RS-232?interface?, ?DB9?(holes), ????

???????????????????????RS-422/RS-485?interface?, DB9(?pin?)?with?6?interminals;Transmission?Distance?:?0-5?Kilometers

Transmission?Speed?:300-115?2KBPS?,

Singnal?LED?:?3?LED??(TXD, RXD, POWER)；

Transmission?Mediun?:；

Protecion?Class:RS-232?interface?with?±15KVESD?protecion?.

??????????????????RS-422/RS-485?interface?with?anti-ligtting?protecion?(600W/calbe)；

Isolation?:?3500VRMS, ?

Isolation?Voltage??:500VDC?；

Working?Inviroment?:?0℃-50℃

Working?Humdity?:?5%?to?95%;

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