RAM Electronics's Description
HXSP-422 series converter is bi-directional connector converter between
RS-232 and RS-422; it is mainly used for communication between main controller
machines, main controller machine and SCMs or Peripherals, point to point and
point to points remote communicate network, it achieve request-response
communication between multi-machines, it is mainly used for the field of
electricity, industrial automatic control, IC card billing system; such as one
card solution, access control system, parking system, and so on. HXSP-422
series converters change the TXD and RXD signals of RS-232 serial port to 4
wire full duplex RS-422 signal. No need to get through the power, it can get
the electricity from the 3rd pin of RS-232 interface , at the same time, there
is a request sending by 7th pin(RTS), 4th pin data terminal prepares(DTR) to
help power supplying HXSP-422. The automatically process control make you need
not reset and make a easy application of the hardware and software installation.
Specification & Features:
Standard: Accord EIA RS-232, RS-422 standard.
Connector: DB9 female on RS-232 side, DB9 male with 6 terminal block on
Work methods: asynchronous, point to point or multi-point, 4 wire full-duplex.
Transmission medium: Ordinary Line , twisted pair cable or Shielded Wire
Baud rate: 300~115000bps.
Transmission distance: 5 meters (RS-232 side) and 1200 meters (RS-422 side).
Communication protocol: Transparent.
Environment: -10 to 85 centigrade working temperature, 5% to 95% relative
Signals: RS-232(TXD, RXD,GND); RS-422(TX+,TX-,RX+,RX-,GND).