Cisco Systems UBR904 manual Site Log Task Verified by Date

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Site Log

Task

Verified by Date

Ethernet cable connected (straight-through for single computer, crossover for hub)

Console port set for 9600 baud, 8 data bits, no parity, and 2 stop bits (9600 8N2)

System power turned on (power LED is on)

System configuration complete (cable and Ethernet LEDs are on)

Internet browser running and a test web page can be accessed on the computer

Console screen displays correct hardware configuration (displayed after system banner)

Site Log

A site log provides a historical record of all actions relevant to the Cisco uBR904 cable modem operation and maintenance. Keep the site log in a common place where anyone who performs tasks has access to it. Site log entries might include the following:

Installation progress—Make a copy of the Cisco uBR904 cable modem Installation Checklist and insert it into the site log. Make entries on the Installation Checklist as each procedure is completed.

Upgrades and removal/replacement procedures—Use the site log as a record of system maintenance and expansion history. Each time a procedure is performed on the system, update the site log to reflect the following:

Corrective maintenance procedures performed

Intermittent problems

Related comments

Table 2-5shows a sample site log page. Make copies of the sample or design your own site log to meet the needs of your installation site and equipment.

2-16Cisco uBR904 Cable Modem Installation and Configuration Guide

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Contents Preparing for Installation Safety Recommendations Safety with Electricity Preventing Electrostatic Discharge DamageFCC Requirements For Class a Equipment For Class B EquipmentSite Requirements Cispr 22 RequirementsWiring and Cabling AC PowerInterference Considerations Wiring and Cabling Coaxial Cable QualityDistance Limitations Installing the Cisco uBR904 Cable Modem at the Headend Personal Computer Hardware and SoftwareCisco uBR904 Cable Modem Footprint and Outer Dimensions Site EnvironmentPreventive Site Configuration Maintaining Normal Operation General PrecautionsTools for Installation Power ConsiderationsMaking a Crossover Ethernet Cable Connection RJ-45 Receptacle and PlugConfiguration Information RJ-45 Cable IdentificationCisco uBR904 Cable Modem Installation Checklist Site Log Site Log Task Verified by DatePreparing for Installation Site Log
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UBR904 specifications

The Cisco UBR904 is a versatile broadband access device designed to deliver high-speed internet and data services in various deployment scenarios, particularly suitable for cable operators and service providers. This device allows operators to provide broadband services over a wide area, utilizing advanced technologies to ensure reliability and performance.

One of the key features of the UBR904 is its capability to support multiple channels for upstream and downstream communication, allowing for greater bandwidth and improved network performance. With its integrated DOCSIS (Data Over Cable Service Interface Specification) compliance, the UBR904 enables operators to leverage existing coaxial cable infrastructures to deliver data services efficiently. This makes it an ideal choice for operators looking to expand their service offerings without the need for extensive infrastructure changes.

Equipped with a powerful processor and ample memory, the UBR904 is designed for high throughput and low latency, supporting IP data services, voice services, and video on demand. It utilizes advanced modulation techniques and error correction algorithms that enhance data transmission efficiency and reliability. This results in a robust platform capable of meeting the demands of high-density areas while accommodating future growth.

The UBR904 also features flexible management capabilities. It includes support for SNMP (Simple Network Management Protocol), enabling operators to monitor and manage network performance effectively. The device can be easily configured through a graphical user interface or command-line interface, providing system administrators with the tools needed for straightforward deployment and maintenance.

In addition to its core functionalities, the UBR904 integrates security features to protect network traffic and ensure user data integrity. This includes capabilities for secure tunneling and access control lists, which enhance the security of the broadband connection.

Furthermore, the Cisco UBR904 is designed with scalability in mind. Operators can easily scale their networks by adding additional modules or interfaces as demand grows. This ensures that the UBR904 can meet the evolving needs of service providers without necessitating a complete hardware overhaul.

In summary, the Cisco UBR904 is a robust, feature-rich broadband access device that combines high performance, advanced technologies, and scalability, making it an excellent choice for operators looking to deliver high-speed internet and data services across diverse environments. Its ease of use and extensive management features further enhance its appeal, positioning it as a key player in the broadband access market.