About This Guide xiiiAbout This GuideThis section discusses the objectives, audience, organization, and conventions of thishardware installation and
1-6 Cisco Multiport Router Hardware Installation and Configuration GuideCommunications Server ServicesFigure 1-5 Remote Node Services—Example NetworkT
C-6 Cisco Multiport Router Installation and Configuration GuideEthernet Cable Assembly and PinoutsEthernet Cable Assembly and PinoutsThis section de
Cable Specifications C-7Token Ring PinoutToken Ring PinoutTable C-5 lists the pinout for the Token Ring interface port.Table C-5 Token Ring Port Pino
C-8 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsSynchronous Serial Cable Assemblies an
Cable Specifications C-9Synchronous Serial Cable Assemblies and PinoutsTable C-6 EIA-530 DTE Cable Pinouts (DB-60 to DB-25)60 Pin Signal 25 Pin Signa
C-10 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsEIA/TIA-232Figure C-7 shows the EIA/T
Cable Specifications C-11Synchronous Serial Cable Assemblies and PinoutsTable C-7 EIA/TIA-232 DTE Cable Pinouts (DB-60 to DB-25)60 Pin Signal Descrip
C-12 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsJ1-38ShieldRxC/TxCE–Twisted pair no.
Cable Specifications C-13Synchronous Serial Cable Assemblies and PinoutsJ1-43ShieldDTR/DSR–Twisted pair no. 3 —>–J2-6ShieldDSR–J1-45ShieldCircuit
C-14 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsEIA/TIA-449Figure C-8 shows the EIA/T
Cable Specifications C-15Synchronous Serial Cable Assemblies and PinoutsJ1-28J1-27RxD/TxD+RxD/TxD–Twisted pair no. 11 <—<—J2-6J2-24RD+RD–J1-9J1
Overview of the Router 1-7Communications Server ServicesAsynchronous Routing ServicesRouting services enable the multiport router to route packets ov
C-16 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsJ1-46 Shield_GND Single – J2-1 Shield
Cable Specifications C-17Synchronous Serial Cable Assemblies and PinoutsV.35Figure C-9 shows the V.35 cable assembly. Table C-11 lists the DTE pinout
C-18 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsJ1-46 Shield_GND Single – J2-A Frame
Cable Specifications C-19Synchronous Serial Cable Assemblies and PinoutsTable C-12 V.35 DCE Cable Pinouts (DB-60 to 34-Pin)60 Pin Signal Description
C-20 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsX.21Figure C-10 shows the X.21 cable
Cable Specifications C-21Synchronous Serial Cable Assemblies and PinoutsTable C-13 X.21 DTE Cable Pinouts (DB-60 to DB-15)60 Pin Signal Description D
C-22 Cisco Multiport Router Installation and Configuration GuideSynchronous Serial Cable Assemblies and PinoutsTable C-14 X.21 DCE Cable Pinouts (DB
1-8 Cisco Multiport Router Hardware Installation and Configuration GuideSystem SpecificationsFigure 1-8 Protocol Translation Services—Example NetworkS
Overview of the Router 1-9Obtaining Service and SupportObtaining Service and SupportFor service and support for a product purchased from a reseller,
1-10 Cisco Multiport Router Hardware Installation and Configuration GuideCisco Connection OnlineIf you purchased your product from a reseller, you can
Overview of the Router 1-11Ordering DocumentationIf you need technical assistance with a Cisco product that is under warranty or covered bya Cisco ma
1-12 Cisco Multiport Router Hardware Installation and Configuration GuideOrdering Documentation
CHAPTER Preparing to Install the Router 2-12Preparing to Install the RouterThis chapter describes important information to consider before you begin t
2-2 Cisco Multiport Router Hardware Installation and Configuration GuideSafety RecommendationsWarning Ultimate disposal of this product should be hand
Preparing to Install the Router 2-3Safety Recommendations• Do not work alone if potentially hazardous conditions exist.• Never assume that power is d
xiv Cisco Multiport Router Hardware Installation and Configuration GuideOrganizationOrganizationThe major sections of this hardware installation and c
2-4 Cisco Multiport Router Hardware Installation and Configuration GuideGeneral Site RequirementsCaution For safety, periodically check the resistance
Preparing to Install the Router 2-5General Site RequirementsPreventive Site ConfigurationThe following precautions will help you plan an acceptable op
2-6 Cisco Multiport Router Hardware Installation and Configuration GuidePreparing to Connect to a NetworkPower Supply ConsiderationsCheck the power at
Preparing to Install the Router 2-7Preparing to Connect to a NetworkWarning The ports labeled “Ethernet,” “10BaseT,” “Token Ring,” “Console,” and “AU
2-8 Cisco Multiport Router Hardware Installation and Configuration GuidePreparing to Connect to a NetworkSpeed and Distance LimitationsSerial signals
Preparing to Install the Router 2-9Preparing to Connect to a NetworkBalanced drivers allow EIA/TIA-449 signals to travel greater distances thanthe EI
2-10 Cisco Multiport Router Hardware Installation and Configuration GuidePreparing to Connect to a NetworkNote All serial ports configured as DTE requi
Preparing to Install the Router 2-11Preparing to Connect to a NetworkFigure 2-1 Serial Transition CablesAlthough attempting to manufacture your own s
2-12 Cisco Multiport Router Hardware Installation and Configuration GuidePreparing to Connect to a NetworkEIA/TIA-232 ConnectionsThe EIA/TIA-232 stand
Preparing to Install the Router 2-13Preparing to Connect to a NetworkThe network end of the EIA/TIA-449 serial transition cable (not included) provid
About This Guide xvConventionsExamples use these conventions:• Terminal sessions and information the system displays are in screen font.• Information
2-14 Cisco Multiport Router Hardware Installation and Configuration GuidePreparing to Connect to a NetworkFigure 2-4 V.35 Serial Transition Cable Conn
Preparing to Install the Router 2-15Preparing to Connect to a NetworkEIA-530 ConnectionsThe EIA-530 standard, which supports balanced transmission, p
2-16 Cisco Multiport Router Hardware Installation and Configuration GuidePreparing to Connect to a NetworkEthernet ConnectionsThe IEEE has established
Preparing to Install the Router 2-17Preparing to Connect to a NetworkBRI ConnectionsOn models with a Basic Rate Interface (BRI) port, the BRI port is
2-18 Cisco Multiport Router Hardware Installation and Configuration GuidePreparing to Connect to a NetworkThe main difference between the console and
Preparing to Install the Router 2-19Inspecting the SystemInspecting the SystemDo not unpack the router until you are ready to install it. If the final
2-20 Cisco Multiport Router Hardware Installation and Configuration GuideInspecting the System
CHAPTER Installing the Router 3-13Installing the RouterThis chapter describes the tasks you must perform to install the router, and includes thefollow
3-2 Cisco Multiport Router Hardware Installation and Configuration GuideSetting Up the ChassisNote For cable ordering information, see the section “Ob
Installing the Router 3-3Setting Up the ChassisFigure 3-1 Identifying the Rubber FeetStep 2 Place the chassis upside down on a smooth, flat surface.St
xvi Cisco Multiport Router Hardware Installation and Configuration GuideConventions
3-4 Cisco Multiport Router Hardware Installation and Configuration GuideSetting Up the ChassisStep 4 Place the router right-side up on a flat, smooth,
Installing the Router 3-5Setting Up the ChassisFigure 3-4 Bracket Installation—Front Panel ForwardFigure 3-5 Bracket Installation—Rear Panel ForwardF
3-6 Cisco Multiport Router Hardware Installation and Configuration GuideSetting Up the ChassisInstalling in a RackAfter the brackets are secured to th
Installing the Router 3-7Setting Up the ChassisStep 2 Attach the chassis assembly to the wall as shown in Figure 3-9, using screws andanchors that yo
3-8 Cisco Multiport Router Hardware Installation and Configuration GuideSetting Up the ChassisFigure 3-9 Wall-Mounting the ChassisH7863SERIAL 4 (A/S)S
Installing the Router 3-9Connecting the DC Power SupplyConnecting the DC Power SupplyThe multiport serial router has an optional direct current (DC)
3-10 Cisco Multiport Router Hardware Installation and Configuration GuideConnecting the DC Power SupplyWarning Before performing any of the following
Installing the Router 3-11Connecting the DC Power SupplyWarning When stranded wiring is required, use approved wiring terminations, such asclosed-loo
3-12 Cisco Multiport Router Hardware Installation and Configuration GuideConnecting the DC Power SupplyFigure 3-10 DC Power Supply ConnectionsTerminal
Installing the Router 3-13Connecting to a NetworkFor additional information on power supplies refer to the section “Troubleshooting thePower and Cool
CHAPTER Overview of the Router 1-11Overview of the RouterThe Cisco 2520/CPA2520, Cisco 2521/CPA2521, Cisco 2522/CPA2522, andCisco 2523/CPA2523 routers
3-14 Cisco Multiport Router Hardware Installation and Configuration GuideConnecting to a NetworkFigure 3-11 Connecting Ethernet Transition CablesStep
Installing the Router 3-15Connecting to a NetworkYou can also connect the Token Ring port (RJ-45) to a Token Ring hub. If thetransmission rate of you
3-16 Cisco Multiport Router Hardware Installation and Configuration GuideConnecting to a NetworkStep 3 If you will be using AutoInstall to configure th
Installing the Router 3-17Connecting to a NetworkStep 4 Connect one end of each asynchronous/synchronous cable to theasynchronous/synchronous ports (
3-18 Cisco Multiport Router Hardware Installation and Configuration GuideConnecting to a NetworkStep 5 Connect the ISDN BRI port (RJ-45) to an NT1 dev
Installing the Router 3-19Connecting the Console Terminal and ModemConnecting the Console Terminal and ModemYour router includes an asynchronous seri
3-20 Cisco Multiport Router Hardware Installation and Configuration GuideConnecting the Console Terminal and ModemFigure 3-16 Connecting the Console T
Installing the Router 3-21Connecting the Console Terminal and ModemConnecting a Modem to the Auxiliary PortTake the following steps to connect a mode
3-22 Cisco Multiport Router Hardware Installation and Configuration GuideWhat to Do after Installing the Router HardwareWhat to Do after Installing th
CHAPTER Configuring the Router 4-1Configuring the Router4This chapter describes the procedures for configuring the model 2520, model 2521, model2522, an
1-2 Cisco Multiport Router Hardware Installation and Configuration GuideRouter Hardware FeaturesFigure 1-1, Figure 1-2, Figure 1-3, and Figure 1-4 sho
4-2 Cisco Multiport Router Installation and Configuration GuideConfiguring the Routerby the configuration register setting. The factory-default settin
Configuring the Router 4-3Configuring the RouterUsing Configuration ModeYou can configure the router manually if you prefer not to use the setup facili
4-4 Cisco Multiport Router Installation and Configuration GuideConfiguring the RouterTo make your changes permanent, enter the copy running-config sta
Configuring the Router 4-5Configuring the RouterIf the AutoInstall process is successfully completed, continue to Step 3 to writethe configuration dat
4-6 Cisco Multiport Router Installation and Configuration GuideConfiguring the RouterStep 2 After booting from Flash memory, the following informatio
Configuring the Router 4-7Configuring the RouterSuperLAT software copyright 1990 by Meridian Technology Corp).TN3270 Emulation software (copyright 19
4-8 Cisco Multiport Router Installation and Configuration GuideConfiguring the RouterA typical configuration using IP, IPX, and AppleTalk follows:Conf
Configuring the Router 4-9Configuring the RouterEnter yes or press Return (the default) to configure IP, and then select an interiorrouting protocol f
4-10 Cisco Multiport Router Installation and Configuration GuideConfiguring the RouterConfiguring the ISDN BRI InterfaceThis section explains how to c
Configuring the Router 4-11Configuring the RouterIn this example, routing is enabled on AppleTalk and IPX; IP has already beenselected:Configure Appl
Overview of the Router 1-3Router Hardware FeaturesFigure 1-2 Cisco 2521/CPA2521 Multiport Serial Router—Rear PanelFigure 1-3 Cisco 2522/CPA2522 Multi
4-12 Cisco Multiport Router Installation and Configuration GuideConfiguring the RouterStep 3 If IPX is enabled on this interface, enter the unique IP
Configuring the Router 4-13Configuring the RouterStep 3 Configure the second synchronous serial interface:Configuring interface Serial1: Is this inte
4-14 Cisco Multiport Router Installation and Configuration GuideConfiguring the RouterEntering this command saves the configuration settings that the
Configuring the Router 4-15Configuring the RouterSetting Synchronous Serial PortsTake the following steps to configure a low-speed asynchronous serial
4-16 Cisco Multiport Router Installation and Configuration GuideConfiguring the RouterStep 2 Enter the config terminal command at the enable prompt to
Configuring the Router 4-17Specifying the Boot MethodSpecifying the Boot MethodYou can enter multiple boot commands in the configuration in NVRAM to p
4-18 Cisco Multiport Router Installation and Configuration GuideChecking the Configuration SettingsPassword:enablepasswordRouter# configure terminalR
Configuring the Router 4-19Getting More Information32K bytes of non-volatile configuration memory.8192K bytes of processor board System flash (Read O
4-20 Cisco Multiport Router Installation and Configuration GuideGetting More Information
Troubleshooting the Router A-1APPENDIXATroubleshooting the RouterThis appendix contains information about how to isolate problems with the router and
1-4 Cisco Multiport Router Hardware Installation and Configuration GuidePort ConfigurationPort ConfigurationThe asynchronous/synchronous ports are confi
A-2 Cisco Multiport Router Installation and Configuration GuideIsolating ProblemsTroubleshooting the Power and Cooling SystemsCheck the following item
Troubleshooting the Router A-3Reading the LEDsReading the LEDsThe LEDs indicate the current operating condition of the router. You can observe the LE
A-4 Cisco Multiport Router Installation and Configuration GuideReading the LEDs
Maintaining the Router B-1APPENDIXBMaintaining the RouterThis appendix contains selected maintenance procedures you might need to perform on theroute
B-2 Cisco Multiport Router Installation and Configuration GuideOpening the ChassisOpening the ChassisThis section describes the procedure for openin
Maintaining the Router B-3Opening the ChassisStep 3 Turn the unit upside down so that the top of the chassis is resting on a flatsurface, and the fron
B-4 Cisco Multiport Router Installation and Configuration GuideOpening the ChassisStep 8 When the top cover is off, set it aside. Figure B-2 shows t
Maintaining the Router B-5Upgrading the DRAM SIMMUpgrading the DRAM SIMMThis section describes how to upgrade the DRAM SIMM on the system card. You m
B-6 Cisco Multiport Router Installation and Configuration GuideUpgrading the DRAM SIMMStep 4 Remove the existing DRAM SIMM by pulling outward on the
Maintaining the Router B-7Replacing the System-Code SIMMsStep 6 Insert the new DRAM SIMM by sliding the end with the metal fingers into theSIMM connec
Overview of the Router 1-5Communications Server Services• PPP• SDLC• X.25Communications Server ServicesThe multiport router acts as a communications
B-8 Cisco Multiport Router Installation and Configuration GuideReplacing the System-Code SIMMsNote For more information about the copy flash tftp com
Maintaining the Router B-9Replacing the System-Code SIMMsFigure B-4 Removing and Replacing the System-Code SIMMStep 8Position the new SIMM so that th
B-10 Cisco Multiport Router Installation and Configuration GuideClosing the ChassisStep 9 Insert the new SIMM by sliding the end with the metal finge
Maintaining the Router B-11Closing the ChassisCaution To fit the two sections together, it may be necessary to work them together at oneend and then t
B-12 Cisco Multiport Router Installation and Configuration GuideClosing the Chassis
Cable Specifications C-1APPENDIXCCable SpecificationsThis appendix provides the following pinout information:• Console and Auxiliary Port Signals and
C-2 Cisco Multiport Router Installation and Configuration GuideConsole and Auxiliary Port Signals and PinoutsFor console connections, proceed to the
Cable Specifications C-3Console and Auxiliary Port Signals and PinoutsConsole Port Signals and PinoutsUse the thin, flat, RJ-45-to-RJ-45 roll-over cab
C-4 Cisco Multiport Router Installation and Configuration GuideConsole and Auxiliary Port Signals and PinoutsUse the thin, flat, RJ-45-to-RJ-45 roll-
Cable Specifications C-5Console and Auxiliary Port Signals and PinoutsAuxiliary Port Signals and PinoutsUse the thin, flat, RJ-45-to-RJ-45 roll-over c
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