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C H A P T E R

3-1

Cisco uBR924 Router Hardware Installation Guide

OL-0338-01 (3/2000)

3

Installing the Cisco uBR924 Router

This chapter contains the following sections that provide instructions on installing the router, initial
power-on, and verifying the installation:

•

Cisco uBR924 Router Installation Checklist

•

Physical Placement

•

Verifying Power Requirements

•

Connecting to the Cable System

•

Connecting the Ethernet Cables

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Connecting to Telephones or Fax Devices

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Connecting the Backup POTS Connection

•

Connecting Power

•

Connecting to Telephones or Fax Devices

•

Router Power-On and Initialization Sequence

•

Verifying Installation

Caution

Before proceeding with the installation, verify that you have fulfilled all of the
requirements listed in Chapter 2, “Preparing for Installation.” Also read and follow the
safety guidelines in the “Safety” section on page 2-1, as well as those contained in this
chapter.

Cisco uBR924 Router Installation Checklist

Table 3-1 presents a checklist, identifying the installation tasks to complete at each subscriber site. Use
this table as a guide while installing the router.

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Содержание uBR924

Страница 1: ...e CA 95134 1706 USA http www cisco com Cisco Systems Inc Corporate Headquarters Tel 800 553 NETS 6387 408 526 4000 Fax 408 526 4100 Cisco uBR924 Cable Access Router Hardware Installation Guide March 2000 Text Part Number OL 0338 01 ...

Страница 2: ...ke certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses Modifications to this product not authorized by Cisco Systems Inc could void the FCC approval and negate your authority to operate the product The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California Berkeley UCB as...

Страница 3: ...ons xiii Obtaining Documentation xiii World Wide Web xiii Documentation CD ROM xiii Ordering Documentation xiii Obtaining Technical Assistance xiv Cisco Connection Online xiv Technical Assistance Center xiv Documentation Feedback xv C H A P T E R 1 Product Overview 1 1 Cisco uBR924 Cable Access Router Description 1 1 Introduction 1 1 Routing and Bridging 1 2 Upgrading the Software Image 1 3 Initia...

Страница 4: ...rence Considerations 2 6 Coaxial Cable Quality 2 6 Distance Limitations 2 7 Approvals and Regulations 2 8 FCC Requirements 2 8 Class B Equipment 2 8 Rights of the Telephone Company 2 8 Country Approvals 2 9 UL CSA TUV Approvals 2 9 Industry Canada Requirements 2 9 Required Tools and Equipment 2 11 C H A P T E R 3 Installing the Cisco uBR924 Router 3 1 Cisco uBR924 Router Installation Checklist 3 1...

Страница 5: ...tem 4 8 RF and Digital Subsystem 4 9 PC Subsystem 4 9 VoIP Subsystem 4 11 Using the Reset Switch 4 12 Further Contacts 4 13 A P P E N D I X A Technical Specifications A 1 Physical Power and Environmental Specifications A 1 Data Specifications A 3 Voice Specifications A 5 A P P E N D I X B Connector and Cable Specifications B 1 Coaxial Connector and Cable Specifications B 1 Ethernet Connector and C...

Страница 6: ...ning C 7 TN Power Warning C 7 SELV Circuit Warning C 8 Warning Statement for Norway and Sweden C 9 Product Disposal Warning C 9 No On Off Switch Warning C 10 Jewelry Removal Warning C 11 Ground Conductor Warning C 12 Router Grounding Warning C 13 Disconnecting Telephone Network Cables C 14 Circuit Breaker 15A Warning C 15 Main Disconnecting Device C 16 Hazardous Voltages in WAN Ports C 17 Incorrec...

Страница 7: ...cians should be familiar with their cable plant s base operating parameters and subscriber service offerings Cable system support engineers and administrators should be acquainted with Ethernet and IEEE 802 3 type data communications networks Note This document contains instructions to install or configure the Cisco uBR924 cable access router using procedures that only qualified personnel should p...

Страница 8: ... a Cisco uBR924 cable access router at a subscriber site The chapter also discusses safety and agency considerations Chapter 3 Installing the Cisco uBR924 Router Provides instructions to connect the Cisco uBR924 cable access router perform its initial power on and verify its basic functionality Chapter 4 Troubleshooting Contains basic installation troubleshooting information appropriate to field s...

Страница 9: ...ther abc or def but not both Braces and vertical bars within square brackets A required choice within an optional element command abc def ghi You have three options Nothing abc def abc ghi Caret character Control key The key combinations D and Ctrl D are equivalent Both mean hold down the Control key while you press the D key Keys are indicated in capital letters but are not case sensitive A strin...

Страница 10: ...e warnings that appear in this publication refer to the appendix Regulatory Compliance and Safety Information Translated Safety Warnings Waarschuwing Dit waarschuwingssymbool betekent gevaar U verkeert in een situatie die lichamelijk letsel kan veroorzaken Voordat u aan enige apparatuur gaat werken dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico s en dient u op de ...

Страница 11: ...za Advarsel Dette varselsymbolet betyr fare Du befinner deg i en situasjon som kan føre til personskade Før du utfører arbeid på utstyr må du være oppmerksom på de faremomentene som elektriske kretser innebærer samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker Hvis du vil se oversettelser av de advarslene som finnes i denne publikasjonen kan du se i vedlegget Regulatory Compl...

Страница 12: ... Quick Start Cisco uBR924 Cable Access Router Subscriber Setup Note Service provider and subscriber publications for other models of Cisco uBR900 series cable access routers are also available on CCO CMTS Hardware Installation Publications Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide Cisco u...

Страница 13: ...rk Management Protocol SNMP to monitor Cisco uBR924 cable access routers MIB information is available on CCO at ftp ftp cisco com pub mibs Obtaining Documentation World Wide Web You can access the most current Cisco documentation on the World Wide Web at http www cisco com http www china cisco com or http www europe cisco com Documentation CD ROM Cisco documentation and additional literature are a...

Страница 14: ...utions services and programs In addition you can resolve technical issues with online support services download and test software packages and order Cisco learning materials and merchandise Valuable online skill assessment training and certification programs are also available Customers and partners can self register on CCO to obtain additional personalized information and services Registered user...

Страница 15: ... Click Feedback in the toolbar and select Documentation After you complete the form click Submit to send it to Cisco You can e mail your comments to bug doc cisco com To submit your comments by mail for your convenience many documents contain a response card behind the front cover Otherwise you can mail your comments to the following address Cisco Systems Inc Document Resource Connection 170 West ...

Страница 16: ...xvi Cisco uBR924 Router Hardware Installation Guide OL 0338 01 3 2000 Preface Obtaining Technical Assistance ...

Страница 17: ...le access router functions at its most basic level as a cable modem a modulator demodulator that provides high speed network access on the cable television system to residential and small office home office SOHO subscribers The router is based on the Data Over Cable Service Interface Specifications DOCSIS a standard developed with service providers to ensure that any DOCSIS certified cable modem c...

Страница 18: ...such as the firewall features or that include connection to an existing network at the site the Cisco uBR924 is configured as a router Note Cisco uBR924 cable access routers use Cisco IOS Release 12 0 4 XI or higher images All Cisco IOS releases that support the Cisco uBR924 router include at least one image that supports basic DOCSIS connectivity that provides high speed Internet data access Most...

Страница 19: ...ation file the default MAX CPE value is one CPE device The MAX CPE parameter applies in both routing and bridging modes Upgrading the Software Image When Cisco IOS images are updated to new releases the service provider can download them as needed to Cisco uBR924 routers installed in the field based on the software licenses purchased See the release notes for the router listed in Related Documenta...

Страница 20: ...re image are desired the DOCSIS configuration file can also specify that the router should download another Cisco IOS image from the CMTS To customize the router s configuration further the DOCSIS configuration file can also specify a Cisco IOS configuration file that the CMTS should download to the router This second configuration file is an ASCII text file that contains the Cisco IOS commands ne...

Страница 21: ... the router adjusts its transmit power levels using the power increment value given by the CMTS in its ranging response message Note At this point the router has established connectivity with the CMTS but is not yet online The next steps allocate permanent upstream and downstream frequencies as well the configuration required for IP network connectivity 7 After the next MAP message broadcast the r...

Страница 22: ...tware image being used 13 The router completes its secondary ranging and is then online passing data between the cable network and the PCs and other customer premises equipment connected to the router Note At this point the router is online and operational in the basic DOCSIS bridging mode plug and play mode The next step is done only if the DOCSIS configuration file specifies that the router must...

Страница 23: ... allocation plan spectrum management plan outlining the recommended operating parameters to optimize performance channel plan identifying the channels available to assign to specific Cisco uBR924 routers and dial plan to match the supported VoIP protocol A CMTS customer service representative must have recorded all needed subscriber information initiated a work order and arranged an installation d...

Страница 24: ...visioning billing and or network management systems in place for your network after each router is registered with the CMTS The following files should be prepared and available on the TFTP server DOCSIS configuration file This is required for every installation The DOCSIS configuration file specifies the DOCSIS mandated parameters such as upstream and downstream frequencies as well as optional fea...

Страница 25: ...gments significantly reduces the number of potential ingress sources and failure points Downstream Transmissions Because 90 of the data transmitted on the Internet is on average sent from the network to the user the cable system allocates the majority of bandwidth for downstream data data sent from the CMTS to the router Downstream transmissions use a 6 MHz data channel in the 88 to 860 MHz range ...

Страница 26: ... the processing speed and interface of the host server s the processing speed and local Ethernet performance of the subscriber s computer as well as other parameters Because the network can be configured to support multiple levels of service with different performance requirements the subscriber s service level agreement also affects throughput DOCSIS also specifies fundamental performance limitat...

Страница 27: ...t telephones and fax devices to the cable system and IP backbone the router ships from the Cisco factory with the voice ports disabled Note To enable the voice ports use a Cisco IOS Release 12 0 4 XI or higher image that supports VoIP and configure the router according to your business practices and network configuration To support fax use a Cisco IOS Release 12 0 5 T or higher image that supports...

Страница 28: ...Note Cisco does not supply these security products The following sections describe the router and its features in more detail LED Descriptions Data Ports Voice Ports Backup POTS Connection RJ 11 Line Connector Power Supply See Appendix B Connector and Cable Specifications for the pinouts and cabling information for each of these connectors For information on using the console port see the Cisco uB...

Страница 29: ...er power on and self test diagnostics have completed successfully LED blinks as the system image is booted Off No Power If the OK LED turns off and remains off during the boot process it indicates the router has failed its self test diagnostics in this situation the bottom row of LEDs contain more information about the type of failure see Table 4 1 on page 4 3 ACT Cable Activity Green On Cable Act...

Страница 30: ...ink Cisco uBR924 is searching for a downstream frequency Off Cable connection down RF link down DS 1 Downstream Signal Lock Status Green On Cisco uBR924 is locked to a downstream frequency channel Off Cisco uBR924 has not yet locked to a downstream frequency channel or the router has not yet located a digital signal US 1 Upstream Signal Quality Green On Cisco uBR924 has established upstream commun...

Страница 31: ...thout appropriate agency approved protection devices This is a safety hazard Between 5 and 10 analog telephone devices can be connected to each of the 2 VoIP telephone lines provided each telephone line does not exceed its Ringer Equivalence Number REN In most areas the sum of the RENs of all devices on any one line should not exceed five If too many devices are attached they may not ring properly...

Страница 32: ...ency ranges The Cisco uBR924 cable access router does not contain a power switch After the cable system technician installs connects powers on and initializes the unit it is intended to remain connected to the broadband network when operating normally The same power supply supports both domestic U S and international operation Different power cords are required however depending on the country of ...

Страница 33: ...nnel should be allowed to install or replace this equipment The chapter includes the following sections Safety Site Requirements Approvals and Regulations Required Tools and Equipment Safety This section describes the general electrical and electrostatic discharge guidelines that should be followed when installing the Cisco uBR924 cable access router Warnings and Cautions Follow these guidelines t...

Страница 34: ...erly grounded can create a potentially hazardous electrical situation Operate the Cisco uBR924 cable access router in accordance with its marked electrical ratings and product usage instructions Always unplug the power cable before installing or removing a cable access router Do not work on the system or connect or disconnect cables during periods of lightning activity Electrical Follow these guid...

Страница 35: ...n 1 and 10 megohm Mohm Site Requirements Before going to a subscriber site to install the Cisco uBR924 cable access router verify that the following have been done Ensure that a coaxial cable connection is run from the cable TV trunk to the subscriber building or residence For sites that support multiple telephones or fax devices on a VoIP telephone line ensure all wiring is in place to support th...

Страница 36: ...rnet browser an installed Ethernet Network Interface Card NIC with TCP IP networking software installed and DHCP enabled Note This recommendation is for Internet access in general and is not specific to the Cisco uBR924 Other operating systems and hardware platforms of comparable capability are also supported Ensure that you bring sufficient cables to connect all devices at all subscriber location...

Страница 37: ...y of operation Table 2 1 Specifications for Operating and Nonoperating Environment Specification Minimum Maximum Temperature ambient operating 32 F 0 C 104 F 40 C Temperature ambient nonoperating and storage 13 F 25 C 95 F 70 C Humidity ambient noncondensing operating 5 95 Humidity ambient noncondensing nonoperating and storage 5 95 Altitude operating and nonoperating Sea level 10 000 ft 3 050 m V...

Страница 38: ... in the Electrical section on page 2 2 Note Category 5 data wiring and telco wiring is much more susceptible to EMI than high grade well shielded coaxial CATV cable If wires exceed recommended distances or if wires pass between buildings give special consideration to the effect of a lightning strike in your vicinity The electromagnetic pulse caused by lightning or other high energy phenomena can e...

Страница 39: ... MHz If the center conductor is too short signals between 5 and 42 MHz might be affected Distance Limitations The size of your networks and the distances between connections on the CATV network can affect the successful installation of a Cisco uBR924 router which must be within 100 miles of the CMTS This distance can also be defined in relation to the speed of light through the transmission networ...

Страница 40: ... the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna as appropriate Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help as appropria...

Страница 41: ...cribed in this guide Industry Canada Requirements NOTICE This product is Canadian Industry certified The Industry Canada Certification Number is 2461 9904 A This certification means that the equipment meets certain telecommunications network protective operational and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this ...

Страница 42: ... appropriate electric inspection authority or electrician as appropriate The Ringer Equivalence Number REN assigned to each terminal device denotes the percentage of the total load to be connected to a telephone loop which is used by the device to prevent overloading The termination on a loop may consist of any combination of devices subject only to the requirement that the total REN of all the de...

Страница 43: ... pads cable adapters splitters High Pass Filters HPF directional couplers as appropriate Telephone tester handset to check the backup POTS telephone line optional 10BaseT Ethernet cable tester Portable hand held console terminal such as a laptop computer with RS 232 serial port communications software and a setting of 9600 baud 8 data bits no parity and 1 stop bit 9600 8N1 reserved for technicians...

Страница 44: ...ote A cable console kit and console cable used to locally reconfigure the router can be purchased separately The subscriber in box documentation set includes Quick Start Cisco uBR924 Cable Access Router Subscriber Setup publication The service provider in box documentation set includes Warranty card Licensing information The following additional documents are available via CCO Cisco uBR924 Cable A...

Страница 45: ...or Fax Devices Connecting the Backup POTS Connection Connecting Power Connecting to Telephones or Fax Devices Router Power On and Initialization Sequence Verifying Installation Caution Before proceeding with the installation verify that you have fulfilled all of the requirements listed in Chapter 2 Preparing for Installation Also read and follow the safety guidelines in the Safety section on page ...

Страница 46: ...er Ensure proper grounding Verifying Power Requirements section on page 3 4 Verify that each PC to be connected to the router has an Ethernet NIC and that TCP IP networking with DHCP support is enabled Ensure that all other PC prerequisites are met Connect the router s F connector to the cable TV coaxial drop cable If the subscriber also subscribes to cable TV services install a cable splitter dir...

Страница 47: ... the router s Line RJ 11 to RJ 11 connector to a standard analog POTS telephone line Verify the telephone circuit connection is working Connecting the Backup POTS Connection section on page 3 9 Power on all other devices at the subscriber site PCs Ethernet hub and all other equipment as applicable Router Power On and Initialization Sequence section on page 3 12 Ensure the data channel frequency ha...

Страница 48: ...untry where the input voltage is between 100 and 240 VAC and 50 or 60 Hz Different power cords are available to suit the country of operation Refer to Table A 1 on page A 1 for AC input power supply specifications including input voltage and operating frequency ranges Cisco recommends that you follow these precautions Check the power at the subscriber site before and after installation to ensure t...

Страница 49: ...initial power on sequence and attempt to connect to the network The unit should be powered on only after all other connections have been made as described later in this chapter Connecting to the Cable System To connect the Cisco uBR924 router to the cable system Step 1 Verify that the router is not connected to power Step 2 Locate the RF coaxial cable coming from the CATV wall outlet Step 3 Instal...

Страница 50: ... is in question Cisco recommends that you replace the coaxial cable For more information on the effects of substandard cabling on the cable access router installation see the Cabling section on page 2 6 Connecting the Ethernet Cables To connect the Cisco uBR924 router to computers and other CPE devices at the site Step 1 Locate all needed 10BaseT RJ 45 Ethernet cables Use straight through Ethernet...

Страница 51: ...orts are being connected Hazardous network voltages are presented in WAN ports regardless of whether power to the unit is OFF or ON To avoid electric shock use caution when working near WAN ports When detaching cables detach the end away from the unit first Connecting to Telephones or Fax Devices If you have purchased voice services from your service provider and are using a Cisco IOS image with v...

Страница 52: ...utton dial set Fax modem cards and software on a PC can be used but only in fax mode the data mode of the fax modem card cannot be used with the VoIP network Contact your network management provisioning or operations team to determine if modems are supported across your VoIP network When combining telephones and fax devices on a VoIP line only one voice call telephone or fax can be active on that ...

Страница 53: ...nductors the conductors of a cable connected to the RJ 11 port or the associated circuit board when the ringer is active The ringer is activated by an incoming call Connecting the Backup POTS Connection To connect the Cisco uBR924 router to the backup standard analog telephone line follow the instructions below Warning To reduce the risk of fire use only No 26 AWG or larger telecommunication line ...

Страница 54: ...onnected to the Cisco uBR924 router to function during a power outage Calls in progress prior to the power outage are disconnected If power is re established while a cutover call is in progress that connection remains in place until the call is terminated When the call is terminated the router automatically reboots Note Calls using the backup POTS connection are made over the PSTN not the VoIP net...

Страница 55: ...rrent carrying conductors The plug socket combination must be accessible at all times because it serves as the main disconnecting device Step 5 Turn ON power for all other equipment and wait for the devices to complete their startup processes Caution To turn off the router when it is operational disconnect the 3 prong end of the power cord from the power outlet To prevent electrical shock do not d...

Страница 56: ...elf Test Problems section on page 4 2 for a description of self test LED error patterns Step 3 During the router s initialization and download the green OK and ACT LEDs both blink After completing the download procedure which could take up to 10 minutes if downloading a new Cisco IOS image as well as a configuration file the green OK LED remains on Step 4 Check that the DS US LINK and DSNR LEDs re...

Страница 57: ... not known use http www cisco com to connect to Cisco s CCO web site Step 3 Watch the appropriate Ethernet LED on the front of the router blink as data is transmitted on the link If the selected web page comes up in the Internet browser screen the network connection is successfully established and this particular Ethernet port is operational Step 4 Repeat steps 1 through 3 for each PC connected to...

Страница 58: ...ted Any call progress indications and other signals that can be carried in band for example remote phone ringing are cut through the voice path as soon as an end to end audio channel is up You either hear the far end telephone ringing until the caller picks up or you hear a busy signal if the far end telephone is already in use Step 3 When either end hangs up the call is torn down The session ends...

Страница 59: ...24 router by disconnecting the 3 prong end of the power cord from the power outlet be certain to follow all safety instructions in the Connecting Power section on page 3 10 Step 2 Pick up one of the telephones connected to the VoIP ports and dial out over the backup POTS line Wait for a connection to be established Step 3 When a cutover call is in place connect the 3 prong end of the power cord to...

Страница 60: ...3 16 Cisco uBR924 Router Hardware Installation Guide OL 0338 01 3 2000 Chapter 3 Installing the Cisco uBR924 Router Verifying Installation ...

Страница 61: ...ion that does not require access to the router s command line interface CLI or knowledge of CLI commands For more advanced troubleshooting refer to the Cisco IOS online document Troubleshooting Tips for the Cisco uBR924 Cable Access Router Troubleshooting Overview Installation problems with Cisco uBR924 routers are commonly due to the cable system and its topography LEDs on the front panel of the ...

Страница 62: ...ory controller and its Dynamic Random Access Memory DRAM If a failure exists the OK LED turns off and the following LEDs on the bottom row turn on to indicate the specific problem that occurred The router first attempts to initialize the memory controller If this fails the DS and DSNR LEDs light and remain on to indicate a problem with the memory controller Otherwise the console port is initialize...

Страница 63: ...o SNR and that is 5 dB above the downstream lock threshold The ACT LED blinks to indicate activity on the cable interface The Ethernet 1 2 3 4 LEDs blink to indicate activity from the PCs and other customer premises devices connected to the corresponding Ethernet ports The V OK LED indicates the VoIP system is operational The V1 and V2 LEDs light when the voice ports are active These LEDs light on...

Страница 64: ...ts and cannot establish a VoIP connection proceed to the troubleshooting VoIP Subsystem section on page 4 11 Troubleshooting Subsystems The key to troubleshooting is to isolate a problem to a specific subsystem Power subsystem Coaxial cable subsystem RF and digital signal subsystem PC subsystem VoIP subsystem Figure 4 2 on the next page provides a general troubleshooting flowchart Table 4 2 and Ta...

Страница 65: ...oubleshoot coaxial cable HFC network problem troubleshoot service Check the personal computer Contact your system administrator No No Coaxial cable in excellent condition Coaxial cable in excellent condition Check RF downstream signal Yes Yes Yes Down stream video and digital signal alignment OK Troubleshoot personal computer No Yes Can you view the web page Can you view the web page Yes H11315 Re...

Страница 66: ...net card Verify the PC device is powered on Reseat the Ethernet cable at both ends Make sure TCP IP and DHCP are enabled Replace the cable reviewing the hub user guide or Ethernet user guide Notify the subscriber to replace the Ethernet card LINK Cable RF LED is off Cable RF LED is blinking Router searching for a signal RF levels wrong Cable is out Router is locked to a signal and connecting to th...

Страница 67: ...u are unable to resolve the problem or you determine that either a power supply or cable access router connector is faulty contact your field office for instructions US Upstream LED is off Upstream signal is not reaching the headend router is unable to communicate with the remote end Systematic RF noise problem or other outage Verify continuity back to the headend using the standard procedures for...

Страница 68: ...connecting cables with ones that have higher quality connectors see Coaxial Connector and Cable Specifications in Appendix B Connector and Cable Specifications for the recommended cable and connector quality A high pass filter might be necessary between the modem and TV to prevent signal interference If this does not help you might need to install a separate cable for TV reception Step 3 Disconnec...

Страница 69: ... the Cisco uBR924 router Step 1 Can you access a web page using the web browser installed on the computer If you cannot access a web page verify that the computer network protocol is configured for TCP IP and that DHCP services are enabled using the following Windows 95 options a Turn on your PC and enter your network username and password b Choose Start Settings Control Panel to display the Contr...

Страница 70: ...the Connect to the Internet as needed check box to deselect the option Note The check box must not be checked If the checkbox is checked the computer attempts to open a dialup adapter connection each time a network application is started f Click OK g From the Control Panel double click the System icon The System Properties window displays with the General tab in the foreground h Click the Device M...

Страница 71: ...HCP Note When set up correctly the Cisco uBR924 router is the default Internet connection device The subscriber might select the dialup adapter as an alternative connection path h Click OK A dialog box appears informing you for the change to become effective the computer must be rebooted i Click Yes to reboot the computer VoIP Subsystem If you do not have dial tone when picking up a telephone or f...

Страница 72: ... department If your provisioning or billing system is designed to support automatic feature upgrades and the router s UID cable MAC address is already in the billing system and configured for use with voice ask to have the router refreshed with the correct voice configuration Note This procedure can take several minutes V1 or V2 Voice port LED is off when a call on the port is initiated for a rout...

Страница 73: ...dministrator be available or on call to assist field service technicians or installers in troubleshooting a Cisco uBR924 cable access router If you are a network administrator or systems engineer with a Cisco product covered under warranty or a maintenance contract contact Cisco s Technical Assistance Center TAC at 800 553 2447 408 526 7209 or tac cisco com Table 4 4 Reset Descriptions Type of Res...

Страница 74: ...4 14 Cisco uBR924 Router Hardware Installation Guide OL 0338 01 3 2000 Chapter 4 Troubleshooting Further Contacts ...

Страница 75: ...cation Dimensions H x W x D 2 30 x 13 x 9 30 in 5 842 x 33 02 x 24 77 cm Weight 3 lb 1 36 kg 1 lb 0 45 kg for the AC input external power supply AC input voltage 120 to 240 VAC1 wide input with power factor correction AC input current rating 1 2A2 maximum at 120 VAC and 0 6A maximum at 240 VAC AC input cable 18 AWG3 three wire cable with a three lead receptacle on the power supply end and a North ...

Страница 76: ...0950 AS NZS3260 TS001 EMI FCC Class A FCC Class B CSA Class A EN60555 2 EN55022 Class B VCC1 Class 2 AS NZS 3548 Class A Immunity IEC 1000 4 2 IEC 1000 4 3 IEC 1000 4 4 IEC 1000 4 5 IEC 1000 4 6 IEC 1000 4 11 IEC 1000 3 2 IEC 60950 AS3260 TS001 See also Appendix C Regulatory Compliance and Safety Information 1 VAC volts alternating current 2 A ampere 3 AWG American Wire Gauge 4 Hz hertz 5 dBa adju...

Страница 77: ... 23 5 dB BER 10 8 256 QAM 30 dB BER 10 8 For input level between 15 and 8 dBmV SNR must be greater than 30 dB For input level between 8 and 15 dBmV SNR must be greater than 33 dB Note These performance numbers are in laboratory controlled conditions against statistically pure noise sources AWGN Since such conditions do not exist in practise a 6 or more dB SNR margin is required for reliable operat...

Страница 78: ...gital signal level QPSK 8 to 58 dBmV 16 QAM 8 to 55 dBmV Security DES decryption DOCSIS Baseline Privacy BPI 40 bit 56 bit and 168 bit DES encryption as controlled by the headend and configuration files DES encryption Note Cisco IOS images must contain encryption software at both the CMTS and the Cisco uBR924 router Both routers must be enabled and properly configured to support encryption Table A...

Страница 79: ...ominal 1 dB 3 dB 0 5 dB 0 5 dB0 Idle channel noise 18 dBmC noise shall not exceed Signal to C notched noise 35 dB Inter modulation distortion R2 R3 52 dB 52 dB Single frequency interference 0 to 12 kHz 0 to 4 kHz 28 dBmO 40 dBmO Frequency shift offset 0 2 Hz max 0 1 Hz 99 5 Amplitude tracking input Level dBmO 37 to 0 on hook 37 to 3 off hook 50 to 37 off hook 55 to 50 off hook Max Dev Ave Dev 5 dB...

Страница 80: ... Phase hits 10 deg 0 in 99 75 of all 15 min intervals 1 count in all 30 min intervals Gain hits 3dB 0 in 99 9 of all 15 min intervals 1 count in all 30 min intervals Dropouts 12 0 in 99 9 of all 15 min intervals 1 count in all 60 min intervals Ringer voltage and frequency 52 VRMS max short loop balanced ringing at a default of 20 Hz the frequency can be changed using the voice port ring frequency ...

Страница 81: ...cable system with a type F right angle PCB mount connector manufactured by Amp model number 531 40047 The body is die cast out of zinc with a tin lead plating The round center contact is made of phosphor bronze with a tin lead plating The insulator is polypropylene and will accept a coaxial cable center conductor with a diameter ranging from 0 022 inch 0 056 mm to 0 042 inch 1 07 mm The coaxial ca...

Страница 82: ...ent use of RG 59 cable is preferred If you connect an RG 59 cable to a cable modem card that was previously connected using RG 6 cable the difference in the center connector diameter might cause intermittent connectivity loss If you use different types of coaxial cable the following problems can appear Co channel interference If signals at the same frequency are carried on long parallel runs of co...

Страница 83: ...orts Table B 1 lists the pinouts and signals for the RJ 45 connector Figure B 2 RJ 45 Connector and Plug Warning To avoid electric shock do not connect safety extra low voltage SELV circuits to telephone network voltage TNV circuits LAN ports contain SELV circuits and WAN ports contain TNV circuits Some LAN and WAN ports both use RJ 45 connectors Use caution when connecting cables Note Referring t...

Страница 84: ...hernet cables should be Category 5 UTP RJ 45 cables Cisco does not supply Category 5 UTP cables these cables are available commercially Voice Port Connectors This section contains pinout and connection information for the three voice ports on the Cisco uBR924 router The V1 V2 and V2 voice connectors are part of a dual connector package These are symmetrical 6 pin connectors that use standard voice...

Страница 85: ... connected in parallel with voice port v2 RING 3 RING RING connection for first pair of 4 wire voice port v1 v2 This is the voice port v1 RING connection 4 TIP TIP connection for first pair of 4 wire voice v1 v2 This is the voice port v1 TIP connection 5 TIP 2 TIP connection for second pair of 4 wire voice port 1 2 This is connected in parallel with voice port v2 TIP 6 NC Not connected V2 7 NC Not...

Страница 86: ...n file disables the console port and erases all previously saved configurations The Cisco uBR924 cable access router ships from the factory with the console port enabled and it remains enabled from the time of initial power on until it begins to download a Cisco IOS configuration file Table B 3 Console Port Signaling and Cabling Console Port DCE Terminal Port DTE Signal RJ 45 Pinout RJ 45 Pinout D...

Страница 87: ...ted Safety Warnings page C 5 If You Need More Information The Cisco IOS software running on the Cisco uBR924 contains extensive features and functionality Feature sets and operating modes differ based on the Cisco IOS release the cable plant s base operating parameters and the services to be offered to subscribers Documentation requirements vary for service providers and subscribers Service Provid...

Страница 88: ...any holidays You can also send e mail to cs rep cisco com You can also refer to the Cisco Information Packet that shipped with your router Subscribers End Users For subscribers the following documents are available Cisco uBR924 Cable Access Router Subscriber Setup Quick Start card which describes how to connect the Cisco uBR924 to the service provider s network this document ships with each Cisco ...

Страница 89: ...nected to a wall socket outlet with protective earth ground Do not use this unit near liquids Do not place this unit on an unstable surface Subscriber Safety Do not remove covers No operator serviceable parts are inside Refer servicing to qualified personnel Do not attempt to service or configure the Cisco uBR924 router yourself Only authorized personnel should service or configure the unit If the...

Страница 90: ...ons network protective operational and safety requirements The Department does not guarantee the equipment will operate to the user s satisfaction Before installing this equipment users should ensure that it is permissible to be connected to the facilities of the local telecommunications company The equipment must also be installed using an acceptable method of connection In some cases the company...

Страница 91: ...ous trouvez dans une situation pouvant causer des blessures ou des dommages corporels Avant de travailler sur un équipement soyez conscient des dangers posés par les circuits électriques et familiarisez vous avec les procédures couramment utilisées pour éviter les accidents Warnung Dieses Warnsymbol bedeutet Gefahr Sie befinden sich in einer Situation die zu einer Körperverletzung führen könnte Be...

Страница 92: ...g activity Waarschuwing Tijdens onweer dat gepaard gaat met bliksem dient u niet aan het systeem te werken of kabels aan te sluiten of te ontkoppelen Varoitus Älä työskentele järjestelmän parissa äläkä yhdistä tai irrota kaapeleita ukkosilmalla Attention Ne pas travailler sur le système ni brancher ou débrancher les câbles pendant un orage Warnung Arbeiten Sie nicht am System und schließen Sie kei...

Страница 93: ...ollegare il sistema all alimentatore Advarsel Les installasjonsinstruksjonene før systemet kobles til strømkilden Aviso Leia as instruções de instalação antes de ligar o sistema à sua fonte de energia Advertencia Ver las instrucciones de instalación antes de conectar el sistema a la red de alimentación Varning Läs installationsanvisningarna innan du kopplar systemet till dess strömförsörjningsenhe...

Страница 94: ...ttäviä piirejä Osa sekä LAN että WAN porteista käyttää RJ 45 liittimiä Ole varovainen kytkiessäsi kaapeleita Attention Pour éviter une électrocution ne raccordez pas les circuits de sécurité basse tension Safety Extra Low Voltage ou SELV à des circuits de tension de réseau téléphonique Telephone Network Voltage ou TNV Les ports du réseau local LAN contiennent des circuits SELV et les ports du rése...

Страница 95: ... como los WAN usan conectores RJ 45 Proceda con precaución al conectar los cables Varning För att undvika elektriska stötar koppla inte säkerhetskretsar med extra låg spänning SELV kretsar till kretsar med telefonnätspänning TNV kretsar LAN portar innehåller SELV kretsar och WAN portar innehåller TNV kretsar Vissa LAN och WAN portar är försedda med RJ 45 kontakter Iaktta försiktighet vid anslutnin...

Страница 96: ...m werkt dat geen aan uit schakelaar heeft dient u de stekker van het netsnoer uit het stopcontact te halen Varoitus Ennen kuin teet mitään sellaiselle järjestelmälle jossa ei ole kaksiasentokytkintä kytke irti virtajohto Attention Avant de travailler sur un système non équipé d un commutateur marche arrêt débrancher le cordon d alimentation Warnung Bevor Sie an einem System ohne Ein Aus Schalter a...

Страница 97: ...squ ils sont branchés à l alimentation et reliés à la terre les objets métalliques chauffent ce qui peut provoquer des blessures graves ou souder l objet métallique aux bornes Warnung Vor der Arbeit an Geräten die an das Netz angeschlossen sind jeglichen Schmuck einschließlich Ringe Ketten und Uhren abnehmen Metallgegenstände erhitzen sich wenn sie an das Netz und die Erde angeschlossen werden und...

Страница 98: ...voegde instantie voor elektrische inspecties of met een elektricien als u er niet zeker van bent dat er voor passende aarding gezorgd is Varoitus Älä koskaan ohita maajohdinta tai käytä laitteita ilman oikein asennettua maajohdinta Ota yhteyttä asianmukaiseen sähkötarkastusviranomaiseen tai sähköasentajaan jos olet epävarma maadoituksen sopivuudesta Attention Ne jamais rendre inopérant le conducte...

Страница 99: ... aarding bij de aansluitingen van de router hetzij door geen geaarde stekker te gebruiken hetzij door het ontbreken van een geaard stopcontact kan dit leiden tot een potentieel gevaarlijke situatie Varoitus Jos reititin maadoitetaan huonosti joko kiertämällä kolmijohtoinen maadoituspistoke tai käyttämällä huonosti maadoitettua pistorasiaa voi aiheutua sähköiskun vaara Attention Une mauvaise mise à...

Страница 100: ...telefoonnetwerk spanning te vermijden Varoitus Vältä joutumista kosketuksiin puhelinverkkojännitteiden kanssa irrottamalla puhelinverkoston kaapelit ennen yksikön aukaisemista Attention Pour éviter tout risque de choc électrique tensions présentes dans l unité débranchez les câbles du réseau téléphonique AVANT d ouvrir l unité Warnung Bevor Sie das Gerät öffnen ziehen Sie die Telefonnetzkabel aus ...

Страница 101: ...end de l installation électrique du local Vérifier qu un fusible ou qu un disjoncteur de 120 V alt 15 A U S maximum 240 V alt 10 A international est utilisé sur les conducteurs de phase conducteurs de charge Warnung Dieses Produkt ist darauf angewiesen daß im Gebäude ein Kurzschluß bzw Überstromschutz installiert ist Stellen Sie sicher daß eine Sicherung oder ein Unterbrecher von nicht mehr als 24...

Страница 102: ...ing De combinatie van de stekker en het elektrisch contactpunt moet te allen tijde toegankelijk zijn omdat deze het hoofdmechanisme vormt voor verbreking van de aansluiting Varoitus Pistoke liitinkohta toimii pääkatkaisumekanismina Pääsy siihen on pidettävä aina esteettömänä Attention La combinaison de prise de courant doit être accessible à tout moment parce qu elle fait office de système princip...

Страница 103: ...risque d électrocution prenez toutes les précautions nécessaires avant de travailler à proximité des ports WAN Pour déconnecter les câbles commencez par débrancher l extrémité la plus éloignée du routeur Warnung In WAN Ports sind gefährliche Netzspannungen vorhanden auch wenn der Strom zum Router abgeschaltet wurde Zur Vermeidung von Elektroschock Vorsicht bei der Arbeit in der Nähe von WAN Ports ...

Страница 104: ...tuur op een stopcontact voor algemene doeleinden kan een gevaarlijke situatie tot gevolg hebben Varoitus Tämän laitteen tai siihen liitettyjen laitteiden virheellinen kytkentä yleispistorasiaan voi aiheuttaa vaaratilanteen Attention Un branchement incorrect de cet équipement ou de l équipement branché à une prise d usage général peut créer une situation dangereuse Warnung Inkorrektes Anschließen v...

Страница 105: ...onnel installiert und gewartet werden Avvertenza Questo apparecchio deve essere installato e mantenuto in efficienza esclusivamente da personale tecnico che soddisfi i requisiti specificati nella sezione 1 2 14 3 sul Service Personnel contenuta nelle norme AS NZS 3260 Advarsel Installasjon og vedlikehold av dette utstyret skal kun foretas av vedlikeholdspersonell som definert i AS NZS 3260 klausul...

Страница 106: ...as 1 antes de desligar o conector de corrente principal e ou 2 enquanto a cobertura estiver aberta Advertencia Las líneas de telecomunicaciones deben desconectarse 1 antes de desenchufar el conector principal de energía y 2 mientras la caja esté abierta Varning Telekommunikationslinjerna måste vara urkopplade 1 innan huvudströmskontakten tas ur och eller 2 medan kåpan är öppen Warning To reduce th...

Страница 107: ...met RJ 11 liittymään yhdistetyn kaapelin johtimiin tai piirilevyyn puhelinkellon ollessa päälle kytkettynä Saapuva analogisoitto aktivoi puhelinkellon Attention Cet appareil contient un générateur de sonneries source de tensions dangereuses Lorsque la sonnerie est active ne touchez en aucun cas les fils de port conducteurs du connecteur RJ11 téléphone les âmes du câble connecté au port RJ11 ou les...

Страница 108: ...analógica Advertencia Este equipo contiene un generador de señal de llamada timbre el cual es una fuente de tensión peligrosa No toque los alambres de la puerta conductores RJ 11 teléfono ni los conductores de un cable conectado a la puerta RJ 11 ni la placa del circuito relacionado cuando el timbre está activo El timbre es activado por medio de una llamada de entrada analógica Varning Denna utrus...

Страница 109: ... cable modem overheating 2 5 scoring coaxial cable connectors 2 7 coaxial cable 4 8 condition of 4 8 subsystem for troubleshooting 4 4 4 8 configuration files Cisco IOS 1 8 DOCSIS 1 4 1 8 connection equipment console port signals B 5 connections coaxial cable 3 5 3 7 power 3 10 connector Ethernet RJ 45 3 8 3 10 console port adapter B 5 pinouts B 5 console terminal system banner display B 6 crossov...

Страница 110: ...le 1 6 information additional C 1 initial power on description 1 4 sequence of steps 1 5 installation connecting the CATV cable 3 5 3 7 interference radio frequency 2 6 IOS images upgrading 1 3 J jewelry avoiding for safety 2 2 L LED description 1 13 LEDs 1 4 6 Link 4 6 OK 4 6 lightning storm safety during 2 2 M MAX CPE parameter 1 3 maximum CPE devices 1 3 N note description of x O operations dat...

Страница 111: ...reventing electrostatic discharge damage 2 3 site requirements environment 2 4 power 3 4 software images upgrading 1 3 SP RFII01 990731 RF interface specification 1 7 subsystems for troubleshooting coaxial cable 4 8 power 4 7 system specifications A 1 System status LED 4 6 T timesaver description x troubleshooting coaxial cable subsystem 4 8 identifying installation problems 4 2 power subsystem 4 ...

Страница 112: ...Index 4 Cisco uBR924 Router Hardware Installation Guide OL 0338 01 3 2000 wiring quality and requirements 2 6 ...

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