Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
AT&T 3440-A1-110 3440 External Modem
- External modem form factor
- Designed for dial-up data communication
- Reliable connection for data transfer
- Standard telephone line interface
- LED indicators for status monitoring
- Compatible with various computer systems
3440-A1-110 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 ↓- Modem Type
- External
- Model Series
- 3440
- Interface
- RJ-11 (Phone Line), Serial (Computer)
- Power Source
- External AC Adapter (Typically Required)
Product details
The AT&T 3440-A1-110 is an external modem designed for reliable data communication over telephone lines. This model provides a stable connection for various data transfer needs. It is a self-contained unit requiring only a power source and telephone line connection.
Technical Information
| Modem Type | External |
| Model Series | 3440 |
Additional Specifications
| Interface | RJ-11 (Phone Line), Serial (Computer) |
| Power Source | External AC Adapter (Typically Required) |
Description
The AT&T 3440-A1-110 is an external modem that served as a crucial piece of communication hardware for businesses and individuals. It enabled computers to connect to remote networks and other devices over the Public Switched Telephone Network (PSTN). The '3440' designation likely refers to a specific series or generation of AT&T modems known for their performance and reliability in their era. As an external unit, it would connect to a computer's serial port (e.g., RS-232) and required its own power supply, usually an AC adapter. The front panel would typically feature a series of LEDs to indicate power status, data transmission (TD), data reception (RD), carrier detect (CD), and other connection states, providing users with visual feedback on the modem's operation. This modem would have supported various communication protocols and speeds common during its operational lifespan, facilitating tasks such as remote data access, faxing (if equipped with fax capabilities), and early internet connectivity. Its robust design made it a dependable choice for consistent data exchange.
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 3440-A1-110.
