Brand: TOSHIBA
Category: Telephone
Document Type: Manual
Language: EN
Manual for V.90 56K Internal Modem User's Guide
Uploaded: Nov. 21, 2025, 8:30 p.m.
Manual Publish Date: 2000-01-01
Warranty Information
None
This guide details the features, operation, and technical specifications of the V.90 56K internal modem. It covers data and fax communication capabilities. Key operations include hardware setup, connecting the modem to an analog telephone line, and basic modem functions like sending and receiving calls.
The modem supports V.90 for high-speed data (up to 53 Kbps) and V.34 for lower speeds. It also handles facsimile transmissions up to 14,400 bps. The guide explains AT commands, S-Registers for configuration, error control, and data compression protocols.
Troubleshooting and technical information are provided in appendices and the glossary.
Troubleshooting and error codes
| Problem | Possible Cause | Solution |
|---|---|---|
| No connection | Modem not properly installed | Check hardware setup and COM port settings. |
| Slow speeds | Poor telephone line quality | Check line quality and try different connection speeds. |
| Error messages | Incorrect setup or hardware issue | Repeat setup procedures or consult dealer. |