Detailed Specifications: RS-422/485 Serial PCI Boards

Bus Interface: 32-bit, 33 MHz PCI Bus specification 3.0 compliant

OS Support: Windows 95/98/Me/NT/2000/XP/Vista/7, OS/2, DOS, Linux

Data Rate: 921.6 kbps (max*) learn more about max data rates

Serial Ports:  DSC:2  QSC:4  (each configurable as RS-422 or RS-485 for full or half duplex)

UARTs: 16750 UARTs with 64-byte FIFOs (1 per port)
            16550 UARTs with 16-byte FIFOs (DSC-200/300 only)

Transceiver: MAX3076E or compatible

Drivers:
       Differential Voltage: +/-3.3V
       Transition Time (TLH): 52ns (typ)
       Transition Time (THL): 60ns (typ)

Receive Buffers:
       Differential Input Threshold: ±0.2V
       Voltage Range: -7V to +12V Common Mode Input
       Transition Time (THL-TLH): 65ns (typ)

IND Option: Surge suppressor applied to each line that is capable of sustaining up to 40A peak, 8 x 20µs transient surges, a clamping voltage of 15.5V and a peak energy dissipation of 0.1 Joules. (NOTE: The "IND" option limits data rate to 115.2 kbps due to capacitive loading.)

Environment:
       Operating: 0°C to 70°C
       Storage: -50°C to 80°C
       Humidity: 10% to 90%

Power Requirements: 3.3V, 5V, 260 mA (typ)

Size: 4.785" x 3.5"

Certifications: CE, FCC Class B, RoHS and WEEE compliant

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