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MCC-DFL QUICK REFERENCE 

 

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SETTING SWITCHES AND JUMPERS

 

Location of SW1/SW2 Switchblocks And Jumpers P1/P2 

(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: 9032131-01 July, 1997

The Complete Networking Solution

SW2

1234

SW1

1234

SW1

1234

SW2

1234

OFF

ON

OFF

ON

P1

P2

P2

P1

SW1 (FOT-A or RI)
 

On – Cabletron fiber key
Off – 802.5J fiber key

On – RO or lobe (RJ45 port)
Off – RI or station (RJ45 port)

On – Autowrap enable (RJ45 port)
Off – Autowrap disable (RJ45 port)

On – Station and lobe application
Off – RI and RO application

1

2

3

4

Switch Configuration Table

(From back of card)

Notes: SW1 switchblock manages FOT-A.
            SW2 switchblock manages FOT-B.
            Individual switches on each
            switchblock have the same
            functionality.

          

            Jumper P1 controls ring speed of
            FOT-A.
            Jumper P2 controls ring speed of
            FOT-B.

SW2 (FOT-B or RO)

Summary of Contents for MCC-DFL

Page 1: ...SW1 1 2 3 4 SW2 1 2 3 4 OFF ON OFF ON P1 P2 P2 P1 SW1 FOT A or RI On Cabletron fiber key Off 802 5J fiber key On RO or lobe RJ45 port Off RI or station RJ45 port On Autowrap enable RJ45 port Off Autowrap disable RJ45 port On Station and lobe application Off RI and RO application 1 2 3 4 Switch Configuration Table From back of card Notes SW1 switchblock manages FOT A SW2 switchblock manages FOT B I...

Page 2: ... RJ45 port as a station Fiber ST port as a lobe 1 Off 2 Off 3 Off 4 On B RJ45 port as a RI Fiber ST port as a RO 1 On or Off 2 Off 3 On or Off 4 Off C RJ45 port as a RO Fiber ST port as a RI 1 On or Off 2 On 3 On or Off 4 Off D MCC DFL P 1 P 2 P1 P2 16 Mb PWR P1 P2 16 Mb PWR P 2 P 1 TX TX RX RX F O T B F O T A Phantom Current Phantom Current Fiber Key Fiber Key Concentrator Station ...

Page 3: ...1 TX TX RX RX F O T B F O T A Fiber Key Fiber Key Phantom Current Phantom Current Concentrator Station MMAC MCC DFL P 1 P 2 P1 P2 16 Mb PWR P1 P2 16 Mb PWR P 2 P 1 TX TX RX RX F O T B F O T A Ring Out To Ring In Ring Out To Ring In Ring Out To Ring In Ring Out To Ring In MMAC MMAC ...

Page 4: ...speed of FOT B as shown in the table Ring Speed of FOT A Put Jumper P1 Sleeve Over 16 Mbps Pins 1 and 2 Default setting 4 Mbps Pins 2 and 3 Ring Speed of FOT B Put Jumper P2 Sleeve Over 16 Mbps Pins 1 and 2 Default setting 4 Mbps Pins 2 and 3 MCC DFL P 1 P 2 P1 P2 16 Mb PWR P1 P2 16 Mb PWR P 2 P 1 TX TX RX RX F O T B F O T A Ring Out To Ring In Ring Out To Ring In Ring Out To Ring In Ring Out To R...

Page 5: ...n of the RJ45 port The fiber ST port automatically configures to work with the RJ45 port For example configuring the RJ45 port as a RI automatically changes the fiber ST port to a RO Set Switch 2 as shown in the table NOTE Cabletron Systems offers complete compatibility with vendor products that comply with the new 802 5J standard for fiber RI RO ports Therefore the MCC DFL offers connectivity to ...

Page 6: ...n the table Switch 4 This switch selects the mode on the entire FOT Use the switch to configure it as a RI RO device or a station lobe device Then use Switch 2 to establish the configuration of the RJ45 port the fiber ST port configures automatically Set Switch 4 as shown in the table Autowrap on RJ45 RI RO Port Set Switch 3 to Position Connection to Cabletron devices On Connection to non Cabletro...

Page 7: ...Mb LED The LEDs lights YELLOW to indicate a 16 Mbps ring speed on the associated FOT An unlit LED indicates a ring speed of 4 Mbps on the associated FOT P1 And P2 Ports Each FOT has P1 and P2 LEDs to indicate the status of the associated port On FOT A the P1 LED indicates the status of the RJ45 port and the P2 LED indicates the status of the fiber ST port MCC DFL P 1 P 2 P1 P2 16 Mb PWR P1 P2 16 M...

Page 8: ...s Port LED Activity Meaning RJ45 Lobe or Station GREEN Phantom current present port inserted OFF No phantom current present port wrapped Blinking RED Lobe port only Speed fault condition caused the port to wrap Fiber Lobe GREEN Fiber key received port inserted Blinking GREEN The connection from the upstream device to the Receive connection is complete but the port is wrapped Blinking RED Speed fau...

Page 9: ...p condition port wrapped Blinking RED Speed fault condition caused the port to wrap OFF No activity port wrapped Fiber RI RO GREEN Rx connected fiber key received Blinking GREEN The connection from the upstream device to the Receive connection is complete but from the Transmit connection to the downstream device it is incomplete Blinking RED Speed fault condition caused the port to wrap OFF No con...

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