Cabletron Systems MCC-CRIO Quick Reference

Summary of MCC-CRIO

  • Page 1

    Qr-1 mcc-crio quick reference qr.1 setting switches and jumpers location of sw1 switchblock and jumper p1 (default settings) copyright 1997 by cabletron systems, inc., p.O. Box 5005, rochester, nh 03866-5005 all rights reserved printed in the united states of america order number: 9032130-01 july, 1...

  • Page 2

    Qr-2 qr.1.1 selecting the ring speed use jumper p1 to select the mcc-crio ring speed. Qr.1.2 setting port configurations the ri/ro ports have an autowrap capability (transmit phantom current) to close the ring, when: • a cable is cut • a cable fails • a cable is not attached to a port the autowrap c...

  • Page 3: Qr.2

    Qr-3 qr.2 led functions consult the diagram to help interpret led indications. Mcc-crio leds pwr - power the pwr led remains lighted green during normal operation, indicating the reception of power. If the led is off, the mcc-crio is not receiving power. Configuration switch settings connect the ri ...

  • Page 4: 16 Mb

    Qr-4 16 mb - ring speed the 16 mb led lights yellow to indicate a 16 mbps ring speed. An unlit led indicates a ring speed of 4 mbps. P1 and p2 - ports the p1 and p2 leds indicate the status of the associated lobe port, as described in the table below. Ri and ro - ports the ri and ro leds indicate th...