Instruction Manual
NuDAM-6530 • 29
z Up to 128 RS-485 devices on the bus
z Auto direction flow control on RS-485
z High transfer Speed up to 115.2Kbps
z High isolation voltage up to 2500Vrms
z Surge protection on RS-232/422/485 lines
z Driver support for Windows 2000/98
z Low power consumption
z Easily setup and installation
Specifications of NuDAM-6530
USB controller:
♦ USB Spec. 1.1 compliant
Transceiver:
♦ RS-232: SP385E
♦ RS-422: LT490
♦ RS-485: LT1487
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
Connector:
♦ USB type B
♦ 10 pin screw terminal block
LED Indicator:
♦ ON: Receiving USB power
♦ Flashing: Data transfer
♦ OFF: No power applied
Cable: Type A to type B