Cabletron Systems MCC-FRIO Quick Reference

Fiber ri/ro conversion module, setting jumpers and switches

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MCC-FRIO QUICK REFERENCE

QR.1

SETTING JUMPERS AND SWITCHES

SW1

Location of SW1/SW2 Switchblocks And Jumper P1

Printed in the United States of America

Order Number: 9032132-01 July, 1997

The Complete Networking Solution

SW1

SW2

Note: Switch 1 on SW1 controls the RI port.

(Default Settings)

SW2

Switch Conﬁguration Table

(From back of card)

SW1 (FOT-A or RI)

SW2 (FOT-B or RO)

On – Cabletron ﬁber key

Off – 802.5J ﬁber key

On – RO or lobe (RJ45 port)

NOT

Off – RI or station (RJ45 port)

APPLICABLE

On – Autowrap enable (RJ45 port)

Off – Autowrap disable (RJ45 port)

On – Station and lobe application

Off – RI and RO application

Switch 2 on SW2 controls the RO port.

QR-1

Page 1 The Complete Networking Solution MCC-FRIO QUICK REFERENCE QR.1 SETTING JUMPERS AND SWITCHES Location of SW1/SW2 Switchblocks And Jumper P1 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: 9032132-01 July, 1997 Switch Conﬁguration Table...
Page 2 QR.1.1 Selecting The Ring Speed Use jumper P1 to select the MCC-FRIO ring speed, as shown in the table. Ring Speed Setting 16 Mbps 4 Mbps QR.1.2 Selecting The Fiber Keying Type The type of ﬁber key used depends on the device with which the port will connect.
Page 3 16 Mb PWR - Power The PWR LED lights GREEN during normal operation, indicating the reception of power. If the LED is off, the MCC-FRIO is not receiving power. 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.
Page 4 RI And RO - Ports The RI and RO LEDs indicate the status of the RI or RO port, as described in the table below. LED Activity GREEN Blinking GREEN Blinking RED QR-4 Meaning Rx and Tx connected ﬁber key received (port open and operational).