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Sun X1147A ATM-155/M Fibre 4.0 S-Bus Expansion Card
- ATM-155/M Fibre Card
- Supports Asynchronous Transfer Mode (ATM)
- 155 Mbps data rate
- Fiber optic connectivity
- Designed for Sun SPARC systems
- Utilizes S-Bus expansion slot
- Enables high-speed network connections
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Product Overview
The Sun X1147A is an ATM-155/M Fibre expansion card for SPARC systems, supporting the ATM (Asynchronous Transfer Mode) protocol. It provides high-speed connectivity over fiber optic links.
Technical Information
| Product Type | Network Interface Card |
| Manufacturer | Sun Microsystems |
| Part Number | X1147A |
| Technology | ATM (Asynchronous Transfer Mode) |
Additional Specifications
| Data Rate | 155 Mbps |
| Interface | Fiber Optic |
| Bus Type | S-Bus |
| Compatibility | Sun SPARC Systems |
Product Description
The Sun X1147A is a specialized network interface card that brings Asynchronous Transfer Mode (ATM) capabilities to Sun Microsystems' SPARC-based workstations and servers. ATM was a high-speed networking technology that predated modern Ethernet standards for certain high-performance applications, particularly in telecommunications and high-bandwidth data transport. This card operates at the 155 Mbps rate, which was considered very fast for its time. Designed to plug into the S-Bus expansion slot common in many SPARCstation and SPARCserver models, the X1147A provides a fiber optic interface for connecting to ATM networks. Fiber optic connectivity offers advantages such as immunity to electromagnetic interference, higher bandwidth potential, and longer transmission distances compared to copper cabling. This made it ideal for backbone connections or environments where signal integrity was paramount. This card enabled SPARC systems to participate in ATM networks, facilitating high-speed data transmission for applications such as high-quality video conferencing, high-performance computing clusters, or as a high-speed link to telecommunications infrastructure. The '4.0' designation likely refers to a specific revision or feature set of the card, indicating its capabilities within the ATM protocol stack and its integration with the S-Bus architecture.
