| Product Description | USRobotics 56K Modem fax / modem |
| Device Type | Fax / modem - serial RS-232 |
| Protocols & Specifications | Bell 103, ITU V.21, Bell 212A, ITU V.22, ITU V.22bis, ITU V.29, ITU V.32, ITU V.32bis, ITU V.34, ITU V.90, ITU V.23, ITU V.27ter, x2 , Hayes AT command set |
| Error Correction Protocol | MNP-4, ITU V.42, MNP-2, MNP-3 |
| Data Compression Protocol | MNP-5, ITU V.42bis |
| Power | AC 110/220 V ± 10% ( 50/60 Hz ) |
| System Requirements | Microsoft DOS, Microsoft Windows 3.x/95/98, Microsoft Windows 2000 / NT4.0 |
