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Product CN-8346 - 10Base-5 & 10Base-FL 16-Bit AT ISA NIC with AUI and ST/SMA Connectors

   The CodeNet-8346 is a 16-bit AUI and 10Base-FL combination Ethernet network adapter for the Industry Standard Architecture (ISA) bus. This adapter operates in either 8-bit or 16-bit ISA slots or in any EISA slot. The board design allows the adapter to map its on-board RAM directly into the host system's main memory (shared memory mode), or to use a Base I/O address for network adapter data transfer (NE2000+ mode).
    The CodeNet-8346 ISA adapter provides a high performance link to an Ethernet network segment, based upon the IEEE 10Base-FL, AUI and FOIRL standards. The 10Base-FL specification also includes backwards compatibility with the earlier Fiber Optic Inter-Repeater Link (FOIRL) IEEE standard. The AUI interface allows connection to standard Ethernet transceivers and MAUs providing a high performance link to other Ethernet network segments such as 10Base~5. Using the fiber interface, workstations can be more than 2 kms from the hub. The AUI network interface provides a link to the MAU that can extend 50 meters (164 ft). CodeNet-8346 10Base-FL, AUI and FOIRL adapters are compatible with other 10Base-FL, AUI and FOIRL products and can be used in an open systems environment with other manufacturers' hubs and repeaters.


  • AUI and Fiber Optic Ethernet Interfaces in one adapter, connects an ISA computer to a MAU (ex. 10Base-5) or 10Base-FL/FOIRL Ethernet segment,
  • Dual-ported 16-Kbyte shared memory or Base I/0 board access for exceptional performance. No DMA channels required.
  • Software support for popular network operating systems including, Novell NetWare 386, Microsoft LAN Manager (NDIS), Windows for Workgroup, Windows NT, Novell UnixWare, Solaris 86, IBM OS/2, SCO and Banyan Vines.
  • Operates in either 8-bit or 16-bit ISA slots or in any EISA slot.
  • Fully compatible with the IEEE 802.3 10Base-FL, AUI and FOIRL standards.
  • Computers can be more than 2000 meters (1.2 miles) from an Ethernet hub, using the 10Base-FL interface, and up to 50 meters (164 feet) from a MAU, using the AUI network interface.
  • Built-in Link integrity, and optical "idle" signal enhance data integrity, simplify problem resolution and allow simple measurements of transmitter power for testing fiber cable links.
  • CodeNet-8346 adapters are fully compatible with other 10Base-FL, AUI and FOIRL products and can be used with other manufacturers' concentrators and repeaters.

  • Specifications

    Hardware Compatibility:
             IBM PC,XT,AT, PS/2 (non-MicroChannel bus), EISA bus
             or other compatibles

             16-bit / 8-bit

             IEEE 802.3j (Section 18 -- 10Base-FL)
             IEEE 802.3i (Section 7 --AUI)
             CSMA/CD Ethernet, 10 Mbps baseband
             FCC Class B
             VFG 243

             Duplex fiber optic cable with bayonet type ST
             connectors and AUI interface as standard; Optional
             screw-on fiber SMA connectors also available.

    LAN Software:
             NetWare Server 286,386, (3.11, 3.12, 4.0); NetWare
             IPX, DOS ODI; OS/2 Client; NDIS Client and Server
             2.01 & 3.0 (LAN Manager/IBM LAN Server and
             Banyan Vines client); DEC Pathworks for DOS,
             Release 4.x (NDIS) Release 3.x (.DLL driver) FTP
             Packet Driver (PDS); PC-NFS; SNMP Agent for ODI
             and NDIS; SCO Unix/Open Desktop; Solaris 2.x;
             UnixWare; Vines Server (SCO); Wollongong TCP,
             OSI, FTP

    Card Compatibility:
             Shared memory; Novell NE2000 Plus

             16 Kb RAM for increased performance Transmit and
             Receive FIFO Ring
             I/O Base Address: Seven (240; 280; 2C0; 300; 320;
             340; or 360) in software selectable increments
             Interrupt channel: IRQ 2i9, 3, 4, 5, 7, 10, 11, 12.14 and 15
             RAM Base Address: A0000 though FE000 (hex)
             ROM Size: 32 Kbytes
             ROM Base Address: C0000 through DC000 (hex)
             Transceiver Transmitter: CodeLED high radiance edge-
             emitting Aluminum Gallium Arsenide Light Emitting
             Diode (LED)
             Receiver: Silicon PIN-type Photodiode.
             Optical Wavelength: 830 nm +/- 20 nm. peak
             Cable: 50/125, 62.5/125, 85/125. 100/140 duplex,
             multimode. graded index

             Board Size: 9.9 cm (3.9 in) x 17.8 cm (7.0 in)
             Plugs into an expansion slot in any IBM PC, EISA b~s,
             PC XT, AT, or non-MicroChannel PS/2, or their

             Operating Environment:
             0 to 55°C, 10 to 90% humidity, non-condensing
             Power: 1.0A @ +5V, 0.3A @ +12V, typical

    Optical Transmitter Power *1:
             Peak Power Output Info:
             62.5 µm core fiber: -12 dBm
             100 µm core fiber: -11.5 dBm
             50 µm core fiber: -15.5 dBm
             Receiver Sensitivity: -27 dBm
             Optical Flux Budget Info:
             62.5 µm core fiber: 15 dB
             100 µm core fiber: 15.5 dB
             50 µm core fiber: 11.5 dB
             Dynamic Range: 18 dB
             Maximum Cable Length *2: 4500 meters

    *1 Typ. peak power measured at 25°C, 50% duty cycle.
    *2 Limited by IEEE 802.3 roundtrip delay time, flux budget permitting.

    Diagnostic Indicators:
             Transmit (TX) - Green
             Collision (COL) -- Yellow
             Receive (RX) - Green
             Fiber Link (FL) -- Yellow

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