| USB Bus | |
| Compliance | USB 1.1/2.0 compatible |
| Speed | 480 Mbps, hi-speed USB |
| FIFO | 128 byte transmit FIFO 384 receive FIFO |
| Serial Interface | |
| Port Type | RS-232 |
| Number of Ports | 4 |
| Connectors | DB9 male |
| Serial Line Protection | |
| ESD Protection | 10KV |
| Serial Port Speed | |
| Baudrate | 300 bps to 921.6k bps |
| Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Flow Control | RTS/CTS, XON/XOFF |
| Serial Signals | |
| RS-232 | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND, RI |
| Driver Support | |
| OS | Windows 7, Vista, 2003, XP (WHQL certified) and 2000 Linux Kernel 2.6.3.1 and up built-in support |
| Power Supply | |
| Input | Bus-powered No external power adapter required |
| Mechanical | |
| Chassis | SECC metal chassis with DIN rail bracket |
| Environmental | |
| Operating Temperature | 0 to 55 °C (32 to 131 °F) |
| Operating Humidity | 5 to 95% RH |
| Storage Temperature | -20 to 75 °C (-4 to 167 °F) |
| Safety Approvals | EN55022 Class B, EN55024, EN61000-3-2, EN61000-3 IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11. CISPR PUB. 22 and FCC Part 15 Class B. |