Integrated Ethernet 7012-340 and + 7030

       The integrated Ethernet adapter in the 7012-340 and +  features
       either thick and thin #4221 or twisted-pair #4222 riser cards.

                                                 T
                                                 |
                    Thick/Thin Riser Card        |------- Network Node n
       _______________________________           |
      | 7012-340+           __________|          |
      | 7030               /   10Base5|          |
      |                   /    10Base2|----------|AA
      |                   |_ RC  _____|          |
      |_____________________|||||_____|          |
                                                 T

       RC- Riser Card Thick/Thin #4221..... 43G0382
       AA- Coaxial T-Connector or L-Shaped  NO IBM P/N
        T- 50ohm terminator



                     Twisted-Pair Riser Card
    _______________________________            __________    T
   | 7012-340+              /  RC  |---BB-----| |Ethernet|   |
   | 7030                  |_     _|          | |Twisted |   |
   |_________________________|||||_|      .---| |Pair    |---|AA   .-Thin LAN
    _______________________________       |   | |Hub     |   |     | (Can be
   | 7012-340+              /  RC  |---BB-' .-| |        |   |-----'  thick)
   | 7030                  |_     _|        | | |        |   |
   |_________________________|||||_|        | | |        |   |  Network Node x
    _______________________________         | | |        |   |--------------
   | 7012-340+              /  RC  |---BB---' | |        |   |
   | 7030                  |_     _|          |_|________|   |
   |_________________________|||||_|                         T

        RC  Riser Card Twisted-Pair #4222... 00G1276
        AA  T or L-Connector Customer-supplied
        BB  Customer-supplied RJ45 Unshielded twisted-pair cable
         T  50ohm terminator