3C804 FDDILink PCI network adapter SAS
The 3Com FDDILink PCI FDDI network interface card (NIC) allows you to connect a 32-bit Peripheral Component Interconnect (PCI) bus mastering computer to a 100
Mbps Fiber Distributed Data Interface (FDDI) network.
Table 1-1 describes the available FDDILink PCI NIC models.
Table 1-1
FDDILink PCI NIC Options
| FDDILink PCI NIC Type
|
Model |
Description
|
| UTP SAS |
3C803 |
Single attachment station (SAS) NIC with shielded RJ-45 modular connector. Accepts Category 5 unshielded twisted-pair (UTP) cable. |
| Fiber SAS |
3C804 |
Single attachment station (SAS) NIC for attaching to a multimode fiber-optic cable and an SC connector.
|
| Fiber DAS |
3C805 |
Dual attachment station (DAS) NIC for attaching to a multimode fiber-optic cable and dual SC connectors. Contains an additional RJ-11 port for inserting an optional third-party optical bypass relay (OBR). |
The FDDILink PCI family of NICs supports networking over the following cable types:
- Category 5 unshielded twisted-pair (UTP) cable
- 62.5/125 µm multimode fiber-optic cable with SC connector
The installation and diagnostic procedures contained in this guide apply to
all FDDILink PCI NIC models.
FDDILink PCI NIC General Description
FDDILink PCI NICs are compact IBM AT form-factor single-slot adapters designed to operate in computers using the 32-bit PCI-bus architecture.
Each FDDILink PCI NIC has the following features:
- Resilient Server Link (RSL) architecture, a unique 3Com feature that improves upon FDDI's inherent fault tolerance by allowing "standby" NICs to be installed in mission-critical servers
- Low CPU utilization and high bandwidth, allowing efficient data transfer
- Bus mastering burst mode data transfers supported by direct memory access(DMA), and on-board 128 K RAM buffer, ensuring that high-performance workstations and servers can take full advantage of the 32-bit bus bandwidth
- Compliance with all American National Standards Institute (ANSI) X3T9.5 FDDI standards, including integrated FDDI Station Management (SMT 6.2, SMT 7.3), Twisted Pair-Physical Medium Dependent (TP-PMD) standards, and on-board Physical Connection Management (PCM), ensuring smooth network integration
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