| Manufacturer | USRobotics |
| Manufacturer Part # | USR3453C |
| Cost Central Item # | 10197965 |
| Product Description | USRobotics Courier 56K V.92 Business Modem USR3453C - Fax / modem - external - RS-232 - 56 Kbps - V.92 |
| Device Type | Fax / modem - serial RS-232 |
| Enclosure Type | External |
| Max Transfer Rate | 56 Kbps |
| 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.17, ITU V.23, ITU V.27ter, ITU V.92 |
| Fax Compatibility | G3 |
| Max Fax Transfer Rate | 14.4 Kbps |
| Error Correction Protocol | MNP-4, ITU V.42, MNP-2, MNP-3 |
| Data Compression Protocol | MNP-5, ITU V.42bis |
| Power | AC 120/230 V |
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