Specifications

Serial Ports

• No. of serial ports: 8


• Protocols: RS-232, RS-422, RS-485


• Maximum baud rate: 921.6Kbps (RS-232), 1.832Mbps (RS-422/RS-485)


• Communications parameters: 5, 6, 7, or 8 data bits; even, odd, or no parity


• Short circuit protection: All outputs protected against continuous short circuit

• Input impedance: 3KΩ min


• Input voltage swing: ±30V max


• Display type: ±5V min, ±7V typical

RS-422/RS-485 modes

• Differential input threshold: -0.2V min, +0.2V max


• Input impedance: 12KΩ min


• Input current: +1.0mA max (VIN = 12V) | -0.8mA max (VIN = -7V)

• Differential output voltage: 2.0V min (RL = 50Ω)


• High/low states differential output voltage symmetries: 0.2V max

Digital I/O

• No. of I/O lines: 8 in, 8 out


• Input voltage: Low: -0.3V min, 0.8V max | High: 2.0V min, 5.3V max

• Output voltage: Low:0.0V min, 0.4V max (IOL = 6mA max) | High: 3.7V min, 5.0V max (IOH = -4mA max)

General

• Dimensions: 3.55” x 3.775” LxW (PC/104 standard)


• Power supply: +5VDC ±10%


• Current consumption: 160mA typical, all outputs unloaded


• Operating temperature: -40° to +85° C


• Operating humidity: 5% to 95% non-condensing


• PC/104 bus: 8-bit and 16-bit bus headers are installed and used (16-bit header is used for interrupt levels only)


• I/O header: 2 40-position (2x20) .025” square pin header on .1” centers (Headers mate with standard ribbon cable, IDC, connectors)