| Features |
| 2-ch RS232, and 2-ch RS232 or
opto-isolated RS422/485 (PC-COM4) |
| 4-ch RS232 only (PC-COM4-RS232) |
| Rates to 115.2Kbaud async (16C550 UART) |
| TxD & RxD data; CTS, RTS, DCD, DSR,
DTR and RI control lines |
| Addressing via PC-AT COM1-4, or selectable |
| Link-selectable interrupts (IRQ3 to 15) |
| Board access LED |
| |
| Specification |
| Serial comms channels: 4 |
| Comms. standards: RS232 or RS422/485 |
| Max baud rate: 115.2K
(async) |
| RS232 control lines: CTS,
RTS, DTR, DCD, DSR, RI |
| RS422/485 control lines:
DTR, DCD |
| Base address range: 0 to 3F8 hex |
| I/O space required: 4 individual 8 byte
regions |
| I/O connector: 50-way D-type |
| PCbus interface: 8 or 16-bit PC/ISA |
| Height 107mm |
| Length 182mm |
| Power consumption: 220mA
(typ) @ +5V |
| Operating temperature: 0 to +70°C |
| Storage temperature: -40 to +125°C |
| MTBF (PC-COM4):
181152.2 hrs |
| MTBF (PC-COM4-RS232): 323837.3 hrs |
| Software
Support: FREE Windows NT 4.0 Drivers, FREE Integrated I/O 'C'
Library |
