9 SpecificationsBus interface: PCI, 32-bit bus, Universal Voltage SignalingIBM-compatible computersDimensions: approx. 4.725" x 2.5"Serial portsController: 16550 with 16-byte FIFOs(16550 with 64-byte FIFOs optional)Interface: DSCLP: one male D-25 connector(Two female D-9 connectorsusing adapter cable)SSCLP: one female D-9 connectorTransceivers: MAX-3076E or compatibleDifferential output: 2V min. with 50-ohm load (RS-422)1.5V min. with 27-ohm load (RS-485)Output rise/fall time: 3ns min., 40ns max., 15ns typ.Differential inputthreshold: -0.2V min., +0.2V max.Input resistance: 12k ohm min., 15k ohm typ.Input current: +/- 1.0mA max.Power requirements+5 volts: approx. 320 mATemperature: operating 0° to 70°storage -50° to 80°Humidity: 10% to 90%DSCLP/SSCLP-200/300 User's Manual 46