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IBM 21L2370 21L2370 - IBM 4-Port Parallel Channel QL41 Card
- Four Parallel Channel ports.
- Designed for specific IBM systems.
- Enables connection to multiple parallel devices.
- Facilitates data transfer via parallel interfaces.
- Suitable for legacy peripheral support.
- Provides high-bandwidth parallel communication.
- Used in specialized IBM configurations.
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Product Overview
The IBM 21L2370 is a 4-Port Parallel Channel Adapter Card, likely designed for specific IBM systems requiring multiple parallel interfaces for peripheral connectivity or data transfer.
Technical Information
| Part Number | 21L2370 |
| Brand | IBM |
| Number of Ports | 4 |
Additional Specifications
| Interface | Parallel Channel |
| Type | Adapter Card |
Product Description
The IBM 21L2370 is a specialized adapter card that provides four parallel channel interfaces. Parallel interfaces, while largely superseded by serial interfaces like USB and Ethernet for general-purpose connectivity, were historically used for high-speed data transfer to peripherals such as printers, scanners, and external storage devices due to their ability to transmit multiple bits simultaneously. This card is designed for specific IBM systems where multiple parallel connections are required. The 'QL41' designation in the title might refer to a specific controller or chipset used on the card, or a particular application context within IBM's product lines. Such adapters are often found in industrial, scientific, or legacy enterprise environments where specialized hardware communication is necessary. With four parallel ports, the 21L2370 offers significant connectivity for devices that rely on parallel communication. This could include older high-speed printers, specialized data acquisition equipment, or other peripherals that utilize parallel ports for efficient data throughput. Its presence indicates a need for robust, multi-channel parallel data handling within an IBM system.