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USRobotics 950-M89 Internal Isa Modem 8 Bit Isa Cjeusa
- Internal ISA bus modem card.
- 8-bit ISA interface for compatibility with older motherboards.
- Designed for data communication (dial-up).
- Supports various legacy modem standards (e.g., V.22bis, V.22, V.21).
- May include basic error correction.
- Requires connection to a telephone line.
- Low profile or standard ISA card form factor.
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Key specifications
See full specs ↓- Modem Type
- Internal ISA Card
- Interface
- 8-bit ISA
- Standards
- V.22bis, V.22, V.21 (typical for this era)
- Form Factor
- Expansion Card
- Purpose
- Data Communication
Product details
The USRobotics 950-M89 Internal ISA Modem is an 8-bit internal modem card designed for older computer systems. It provides basic dial-up modem functionality for data communication.
Technical Information
| Modem Type | Internal ISA Card |
| Interface | 8-bit ISA |
| Standards | V.22bis, V.22, V.21 (typical for this era) |
Additional Specifications
| Form Factor | Expansion Card |
| Purpose | Data Communication |
Description
The USRobotics 950-M89 is an internal modem card specifically designed for older computer systems that feature an 8-bit ISA (Industry Standard Architecture) expansion slot. This type of modem was common in PCs from the late 1980s and early 1990s, providing essential dial-up connectivity for accessing bulletin board systems (BBS), early online services, and remote data transfer. The '8 Bit Isa Cjeusa' designation likely refers to specific technical implementations or certifications related to its interface and functionality. This modem card typically supports a range of legacy modem standards, such as V.22bis (2400 bps), V.22 (1200 bps), and V.21 (300 bps). While not offering the high speeds of later 56K modems, these speeds were sufficient for the communication needs of the time. The card would have included basic error control mechanisms to ensure data integrity over analog phone lines, though advanced compression features might be limited compared to later models. Installation involves inserting the card into an available 8-bit ISA slot on the computer's motherboard and connecting it to a standard telephone line via an RJ-11 jack. The USRobotics 950-M89 represents a fundamental piece of hardware for enabling communication on vintage computing platforms, allowing them to connect to the outside world through the telephone network.
Condition: Refurbished
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