PC/104 3502 dual port, high speed module The 3502 PC/104 serial interface provides two serial ports, each individually configurable for RS–232, RS–422, or RS–485. The board is capable of data rates to 460.8K bps, and automatically handles RS–485 transmitter enable/disable. The 3502 utilizes 16C850 UARTs to provide 128–byte Tx/Rx FIFOs for maximum reliability in data intensive applications. PC/104 cards plug into any system with a PC/104 inter- Octagon offers a line of PC/104 CPU modules, expansion cards and face. The Octagon family of PC/104 single board com- enclosures. puters, expansion cards, and enclosures provides a com- plete solution for applications in transportation, security, Features military, communications, distributed control, RS–232C I/O: point–of–sale, ticketing machines, weighing equipment, � Two ports, individually configurable as eight–wire and other similar applications. RS–232C; four–wire RS–422; or two–wire RS–485 � Programmable baud rate up to 460.8 Kbps (optional 1.2 MB max. baud rate available) Certified Partner program � 16C850 UART: 128–byte Tx/Rx FIFOs The 3502 is an Octagon Certified Partner � Designed for data intensive applications product, which is guaranteed compatible with Octagon CPU cards. The 3502 will withstand high shock and vibration, and operates in temperature ranges RS–422/485 I/O: from –20° to +70° C. This rugged expansion card will � Two ports, individually configurable as eight–wire provide years of reliable service in the most challenging RS–232C, four–wire RS–422 or two–wire RS–485 environments. � DIP switch termination, for multidrop use � Designed for multipoint transmission on long bus lines in noisy environments � 3–state driver and receiver outputs � Operate from single 5V supply BOARD: � Selectable base address � Selectable interrupts � Compatible with most operating systems 11 6510 W. 91st Avenue • Westminster CO 80031 • 303–430–1500 www.octagonsystems.com CONNECTORS: SOFTWARE DRIVERS: � Two 10–pin connectors; custom cable available with � Linux 2.4 DB–9 header � DOS Int17 ® � Standard Windows COM port 550 UART or custom DDk driver with configuration options ENVIRONMENTAL: � –20° to 70° C operating � –50° to 105° C nonoperating ORDERING INFORMATION � 10% to 90%, RH, noncondensing #6591 PC/104 3502 dual serial interface module SIZE & POWER: ACCESSORIES ORDERING INFORMATION � 3.550 in. x 3.775 in., PC/104 form factor #6735 CA152 10–pin header to a DB–9M connector � 5V ± 5% at 220 mA 22 6510 W. 91st Avenue • Westminster CO 80031 • 303–430–1500 www.octagonsystems.com