... -422/485 Mini BlockData SignalRS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GNDRS-422: TxD+, RxD+, TxD-. RxD-, RTS+, CTS+, RTS-, CTS-, GNDRS-485 ... ) ESD Isolation Protection2.5KV Peak Pulse Power LED IndicationLED LightPower, TxD, RxD, Fiber HardwareDimensions(WxDxH)100 x 69 x 22 mmHousingAluminum and ...