3Com 3C13755-US - Router 5642 Installation Manual

Also see for 3C13701: Installation guide Quick reference guide Installation guide Getting started guide Module guide

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3Com 3C13755-US - Router 5642 Installation Manual Manual pdf 25 page image

1-Port Fractional E1 SIC 234 Power on the router and check the corresponding LED on the front panel of therouter. If the LED is green, the SIC passed the POST and can operate normally. Ifthe LED is off, the SIC failed the POST. Contact your Service representative.5 Check the ON LED on the interface card panel. If it is green, the interface card ispowered on. If it is off, contact your Service representative.1-Port Fractional E1SICThe main functions of the 1-Port Fractional E1 SIC are:■ Transceiving and processing the E1 data stream.■ Providing channelized E1 access.■ Providing remote loopback and local loop functions to facilitate fault-testingand locating.■ The 1-Port Fractional E1 SIC binds channels into one channel with a speed ofnx64 K, where n=1-31.Figure 22 illustrates the 1-Port Fractional E1 SIC.Figure 22 The 1-Port Fractional E1 SICFeatures Table 20 lists features of the 1-Port Fractional E1 SIC.Table 20 Features of the 1-Port Fractional E1 SICFeature DescriptionConnector type DB-15Number of connectors 1Interface standard G.703, G.704Interface rate 2.048 MbpsCable type 75-ohm non-balanced coaxial cable (DB-15 toBNC)120-ohm balanced twisted pair (DB-15 toRJ-45)Coaxial connector, network interfaceconnector and 75-ohm to 120-ohm adapterOperation mode E1FE1 (supported only by 1-Port Fractional E1SIC)Supported network protocolIP Novell IPXSupported service BackupTerminal access Supported protocolPPP MP