HP 5000 Router manual Isdn cables, Pin 4 and pin 5 are the receiving end

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56APPENDIX A: CABLE SPECIFICATIONS

ISDN cables	The ISDN S/T cable, shown in Figure 35, is a 4-core twisted pair cable. Both ends of
	the cable have RJ-45 connectors in which pin 3 and pin 6 are the sending end, and
	pin 4 and pin 5 are the receiving end.
	Figure 35 ISDN S/T Cable

The ISDN U cable, shown in Figure 36, is a 2-core twisted pair cable. One end has an RJ11 connector and the other end has an output terminal (OT) connector.

Figure 36 ISDN U Cable

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Contents Router 5000 Family Installation Guide Marlborough, MA 3Com CorporationCampus Drive 01752-3064Contents Troubleshooting Protocols that are used to interconnect WANs About this GuideConventions List conventions that are used throughout this guideRelated DocumentationIntroducing the Router Family Hardware Router 5000 Family Console Port SpecificationsRouter 5000 Family Fixed portsGround Lists the attributes of the Router 5000 Family AUX portLEDs Table below describes the LEDs on the Router Describes the LEDs on the Router 5232, 5642, 5682 routers Router 5232, 5642, 5682 LEDsSystem Specifications for the Router Front View of the RouterSynchronous/Asynchronous Serial Port Specifications Description Attribute Synchronous AsynchronousRouter 5232 specifications Router 5642 specificationsRouter 5682 specifications System Specifications for the Router Introducing the Router 5000 Family Installing the Router Dust Temperature and HumiditySpecification for Dust Content GasesElectromagnetic Discharge Lightning DamageMounting the Router A RackConnecting the Router Installing the RouterConnecting the Power On the WorkbenchInstalling SICs and MIMs Fixed Ethernet cables are supplied with the router To the EthernetThat uses category-5 twisted pair cable Use shielded cables to ensure electromagnetic compatibilityConnecting the AUX Port to the Analog Modem Port to a CSU/DSUVerifying Installing the Router Connector to the serial port of a PC, as shown below Booting and Configuring RouterConnecting the Router to a Remote Console Terminal To a Local ConsoleTo set terminal parameters SettingParameters Console Terminal Shown belowSet the following parameters Bits per second 9600 Data bits Parity None Stop bitsHyperTerminal Window Powering on Router Connect Dialog BoxStartup Process ConfigurationFundamentals Router Configuration Fundamentals of the Router Naming and Arranging Interfaces Ethernet Serial synchronous/asynchronous Asynchronous E1/T1Maintaining the Router Boot Menu Boot MenuIntroduction Through XModem Options of Boot ROM operation menu includeUpgrading application program Send File dialog box Restore the extended segment of Boot ROM program from Flash Upgrading the entire Boot ROM programRestoring the Extended Segment of Boot ROM Program Upgrading the extendedIntroduction Press Enter to reboot the system Router restarts after successful upgradingBuild up FTP local upload/download environment Build up FTP remote upload/download environmentSpecify FTP directory Add right levelStart FTP server Ftpquit Cover Power LED is Off TroubleshootingNothing is Displayed on the Terminal after Power-On Illegible Characters Power-OnRepeated Reboot Display onRUN LED Blinks Rapidly During Sartup After Startup, All LEDs Remain OnRUN LED Remains On RUN LED Blinks Slowly After StartupTroubleshooting Console Cable Cable SpecificationsSignal Direction DB-25 DB-9 Console Cable PinoutsAUX Cable Ethernet CableStraight-through Network Cable Pinouts Signal Category Signal DirectionSignal Twisted Pair Signal Direction Crossover Network Cable PinoutsTypical DTE and DCE Serial Interface Cable Synchronous and Asynchronous ModeDTE and DCE Mode EIA/TIA-232 Maximum Transmission Baud rate bps Distance mDescribes the V.24 DTE cable pinouts DB-50 Signal Signal Direction DB-25Pinouts 24 DTE Cable PinoutsDescribes the V.24 DCE cable pinouts DCE Cable illustrates the V.24 DCE cable assemblyAssembly and Pinouts 24 DCE Cable PinoutsDescribes the V.35 DTE cable pinouts DB-50 Signal Signal Direction35 DTE Cable Pinouts DCE Cable illustrates the V.35 DCE cable assembly Describes V.35 DCE cable pinouts 35 DCE cable PinoutsT1 Cable Dumb Terminal AdapterE1 Cable Describes T1 cable pinoutsIsdn cables Pin 4 and pin 5 are the receiving endProduct Number, URL or e-mail address from the list below Warranty, you can obtain an RMA number online at PasswordContact Us Support telephone numbers posted on the 3Com web site atLatin America Telephone Technical Support and Repair US and Canada Telephone Technical Support and RepairAppendix a Obtaining Support for Your Product