| Dimensions | 4.25" x 6.5" |
| Bus Type | ISA |
| Card Slot | 8-bit |
| Card Style | ½ -size |
| I/O Addressing Modes | jumper selectable: 3F8h, 2F8h, DOS Mode 2C0h, 280h, I/O Map |
| IRQ 's Supported | 2, 3, 4, 5, 7 |
| Configurations | PCSS-4 - 4 ports with DB25 connectors PCSS-4T - 4 ports with RJ12 connectors PCSS-8 - 8 ports with DB25 connectors PCSS-8T - 8 ports with RJ12 connectors |
| Connectors | Cable sets 422-x or 485-x |
| Data Cables | P8T 8 - 7 foot RJ12 to DB-25 or DE-9 DTE |
| Interface Standard | RS-232C, RS-422 or RS-485 |
| Number of I/O Ports | 4 or 8 ports depending on configuration |
| Data Format | Asynchronous, start + data + stop bits. |
| Data Rates | 110 bps to 115.2 Kbps (software selectable) |
| I/O Connector Configuration | DTE (Data Terminal Equipment) |
| Processor Type | 8032 at 24MHz |
| Device Driver Support | Windows, DOS, Linux/UNIX |
| Environmental | Operating Temperature: 0-70° degrees Celsius Operating Humidity: 0-95% relative humidity (non-condensing) |
| Power Requirements | Powered through ISA bus: 5 VDC, 12 VDC, -12 VDC @ 5 Watts |
| Modem Compatibility | Compatible with all RS-232 type modems |