H3C MSR 20 User Manual
Also see for H3C MSR 20: Installation guideConfiguration guide
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Contents
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FIC-8E1/FIC-8E1-F 169Figure 206 Extending an E1 120-ohm balanced twisted-pair cableStep 4: Power on the router, and check the behavior of the LINK LED on the card:OFF means fault occurs on the line and the signal is not synchronized. Check theline status.Connecting the interface cable of the FIC-4E1/FIC-4E1-FStep 1: Select the 4E1/E1 cable appropriate to the type of the port on theto-be-connected device, and correctly set the DIP switch.■ If the impedance of the to-be-connected port is 75-ohm, select E1 75-ohmunbalanced coaxial and 75-ohm 4E1 adapter cables, and set all the BITs of theDIP switch to the ON position (that is, the port impedance is 75-ohm).■ If the impedance of the to-be-connected port is 120-ohm, select E1 120-ohmbalanced twisted-pair and 120-ohm 4E1 adapter cables, and set all the BITs ofthe DIP switch to the OFF position (that is, the port impedance is 120-ohm).Step 2: Insert the DB-25 connector of the 4E1 adapter cable into theto-be-connected port on the FIC-4E1/FIC-4E1-F and tighten the thumbscrews.Step 3: Identify the sequence number of the DB-15 connector at the other end ofthe cable, and connect the connector to an E1 cable.Step 4: Connect the E1 cable to another device, by reference to the previoussubsection.Step 5: Power on the router, and check the behavior of the LINK LED on the cardpanel: OFF means fault occurs on the line and the signal is not synchronized.Check the line status.FIC-8E1/FIC-8E1-FIntroduction FIC-8E1FIC-8E1, the 8-port channelized E1/PRI interface card, transmits, receives, andprocesses eight channels of E1 data traffic. In addition, you can use the card forother purposes, such as CE1 access and the ISDN PRI function.FIC-8E1-FFIC-8E1-F, the 8-port fractional E1 interface card, is different from the FIC-8E1interface card in the sense that:RouterNetworkdevices suchas DDNDB-15Network interface connectorRJ-45 RJ-45120-ohm balanced twisted pair 120-ohm E1 trunk cableRouterNetworkdevices suchas DDNDB-15Network interface connectorRJ-45 RJ-45120-ohm balanced twisted pair 120-ohm E1 trunk cable |
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