User`s manual

CYMOD 4530 • 29
l Half-Duplex RS-485 support
l Up to 128 RS-485 devices on the bus
l Auto direction flow control on RS-485
l High transfer Speed up to 115.2Kbps
l High isolation voltage up to 2500Vrms
l Surge protection on RS-232/422/485 lines
l Driver support for Windows 2000/98
l Low power consumption
l Easy setup and installation
Specifications of CYMOD 4530
u USB controller:
♦ USB Spec. 1.1 compliant
u Transceiver:
♦ RS-232: SP385E
♦ RS-422: LT490
♦ RS-485: LT1487
u I/O Interface:
♦ RS-232/422/485 DIP switch selectable
♦ RS-232 support RXD, TXD, RTS, CTS, FGND signals
♦ RS-422 support TX+, TX-, RX+, RX- 4 wires full-duplex signals
♦ RS-485 support DATA+, DATA- signals with auto direction control
♦ Selectable transfer speed with 1200, 2400, 4800, 9600, 19200,
38400, 115200 bps
♦ 2500Vrms isolation
♦ Surge protection on all signal lines
u Connector:
♦ USB type B
♦ 10 pin screw terminal block
u LED Indicator:
♦ ON: Receiving USB power