Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
IBM 56X3388 External Modem
- Type: External Modem
- Connectivity: USB or Serial (depending on specific model variant)
- Connection Type: Dial-up or Broadband (DSL/Cable, depending on model)
- Data Transfer Protocols: V.92 (for dial-up), potentially others for broadband
- Power Source: External power adapter
- LED Indicators: Status lights for connection and activity
- Compatibility: Windows, macOS, Linux
56X3388 isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Product Type
- External Modem
- Brand
- IBM
- Part Number
- 56X3388
- Interface to Computer
- USB / Serial (check specific model)
- Connection Type
- Dial-up / Broadband (check specific model)
- Max Dial-up Speed
- Up to 56 Kbps (V.92)
Product details
The IBM 56X3388 is an external modem designed for establishing dial-up or broadband internet connections. It connects to a computer via a USB or serial interface and to the telephone line or network.
Technical Information
| Product Type | External Modem |
| Brand | IBM |
| Part Number | 56X3388 |
| Interface to Computer | USB / Serial (check specific model) |
| Connection Type | Dial-up / Broadband (check specific model) |
Additional Specifications
| Max Dial-up Speed | Up to 56 Kbps (V.92) |
| Power | External Power Adapter |
| Indicators | Status LEDs |
| Operating System Support | Windows, macOS, Linux |
Description
The IBM 56X3388 is an external modem, a communication device that converts digital signals from a computer into analog signals suitable for transmission over telephone lines (dial-up) or vice versa, and potentially for other broadband technologies. As an external unit, it connects to the computer via a standard interface such as USB or a serial port, offering flexibility in connectivity. It requires its own power source, typically an external AC adapter, and connects to the communication line (e.g., telephone jack or network cable) through a dedicated port on the modem itself. This modem likely supports the V.92 standard for dial-up connections, which allows for maximum download speeds of up to 56 Kbps and improved upload speeds, as well as features like Quick Connect and Modem-on-Hold. Depending on the specific variant or intended market, the '56X3388' designation might also encompass modems for other connection types, though 'modem' often implies dial-up unless specified otherwise. The presence of LED indicators on the front panel provides visual feedback on the modem's status, such as power, connection, and data transmission activity. Compatibility with major operating systems like Windows, macOS, and Linux ensures that the IBM 56X3388 can be integrated into various computing environments. Its external nature makes it easy to install and remove without needing to open the computer case. This type of device is typically used as a backup internet connection, for remote access in areas with limited broadband availability, or for legacy system requirements.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for 56X3388.
