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SB5101 Cable Modem Overview

MOTOROLA BCS

CONFIDENTIAL

Page 15 of 34

7.4 The

Configuration

Page

This page allows the option (if made available) of configuring locally some of the parameters that
govern the behaviour of the modem. One possibility is to disable the built in DHCP server perhaps
because a client is already using the same address band.

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Содержание SB5101 - SURFboard - 30 Mbps Cable Modem

Страница 1: ... evaluate the product and service offerings of Motorola Except as otherwise required by law it may not be reproduced used by or disclosed to persons not employed by or retained by Motorola for the evaluation and implementation of this document without the prior written consent of Motorola November 2004 MOTOROLA SB5101 Cable Modem Overview ...

Страница 2: ...01 Cable Modem Overview MOTOROLA BCS CONFIDENTIAL Page 2 of 34 Version Number Date Release Status 0 0 1 1 11 2004 Draft for Comment 0 0 2 8 11 2004 Added Beachcomber info 0 0 3 0 0 4 1 0 0 1 0 1 1 1 0 1 1 1 ...

Страница 3: ... Page Diagnostic Tool 11 7 1 The Status Page 12 7 2 The Signal Page 13 7 3 The Addresses Page 14 7 4 The Configuration Page 15 7 5 The Logs Page 16 7 6 The Help Page 17 8 Stormwatch 18 8 1 Operational Data 19 8 2 The Operational Status Page 20 8 3 The Operational Statistics Page 21 8 4 The Downstream Modulation Characteristics Page 22 8 5 The Downstream Connection Page 23 8 6 The Upstream Modulati...

Страница 4: ...ty with almost any PC or Macintosh network ready computer system The SB5101 Cable Modem received DOCSIS 2 0 certification in Cable Labs Certification wave 28 April 2004 The SB5101E EuroDOCSIS Cable Modem received the corresponding EuroDOCSIS 2 0 certification in ECW 16 in September 2004 A top panel standby switch has been added for additional end user security It disconnects the USB and Ethernet c...

Страница 5: ...ia USB and up to 62 via Ethernet Ethernet and USB connections are bridged allowing LAN traffic between USB device and Ethernet LAN Ethernet and USB cables included in the package 10 100BaseT Ethernet auto sensing Remote Management via SNMP and Remote Configuration via TFTP Software upgradeable over the network Compact external power supply Platform independent modem with HTML based user interface ...

Страница 6: ...t through the Modem simultaneously 3 2 Standby Switch The SB5101 series also features a standby switch that temporarily disconnects the modem from the PC thus allowing for a greater degree of security when the user is not surfing while keeping the modem on the network thus allowing the modem to be monitored updated and maintained by the MSO continuously 3 3 User Guide The SB5101 User Guide is avai...

Страница 7: ...with individual QoS determined by the needs of the service data voice video etc 4 1 Technical Specifications SB5101 GENERAL Interface to PC Ethernet 10 100 BaseT RJ 45 connector USB Data Protocol TCP IP Dimensions 15 75cmHx5 52cmW x 15 24cmL Cable Interface Female F Connector 75 Ώ DOWNSTREAM Modulation 64 or 256 QAM Maximum Data Rate 27 Mbps in 64QAM mode or 38 Mbps in 256QAM mode limited by trans...

Страница 8: ...ed CMTS Operating Level Range 8 to 55 dBmV 8 16QAM 8 to 58 dBmV QPSK 8 to 54 dBmV 32 64 QAM 8 to 53 dBmV S CDMA Output Impedance 75 ohms nominal Total Input Power 35 dBmV varies by symbol rate Frequency Range 5 42 MHz edge to edge ENVIRONMENTAL Power 9 Watts nominal Input Power 100 240 VAC 50 60 Hz Operating Temperature 0 to 40 C Storage Temperature 30 to 80 C Operating Humidity 0 95 RH non conden...

Страница 9: ...a signal it looks for a message that contains the basic parameters for the upstream frequency modulation symbol rate FEC format etc The CM can then transmit a message to the CMTS requesting additional information that will enable it to connect to the network Through a series of messages and interactions the CM will establish IP connectivity using DHCP dynamic addressing and then will receive a con...

Страница 10: ... the power light does not go solid green the HFC network either the Receive or Send does not go solid green the IP network the Online does not go solid green or finally the user CPE no activity light LED Label Description Indication Power OFF Startup post test ON Receive Scanning for RF Locked to Downstream RF Send Ranging with CMTS Acquired upstream RF Online Acquiring IP connectivity Operational...

Страница 11: ...an access the WEB pages within the modem using the reserved address 192 168 100 1 This is a non routed address so it cannot be reached from the Internet routed side of the network The SB5100 family of modems contain an internal DHCP server which is active until the modem registers with the CMTS In the case of a problem that prevents the modem from completing its registration the modem can still gi...

Страница 12: ... 7 1 The Status Page This Page shows the main steps in the registration process in this case a successful registration a failed step would be marked in red The skipped entry for baseline privacy is because this facility has not been activated via the configuration file ...

Страница 13: ...page shows the downstream and upstream RF signal characteristics in this case for an operational modem One important feature of this page is that shows the signal to noise ratio on the down stream and the power level on the upstream both good indicators of the condition of the HFC network link ...

Страница 14: ...34 7 3 The Addresses Page This page is concerned with the link level and network level addressing in use by the modem It serves to confirm that the correct DHCP information is being used and it also identifies the client CPE in use in this case limited to one device ...

Страница 15: ... The Configuration Page This page allows the option if made available of configuring locally some of the parameters that govern the behaviour of the modem One possibility is to disable the built in DHCP server perhaps because a client is already using the same address band ...

Страница 16: ...e can be very useful as it shows what has happened to the modem since power on The log space is used in a cyclic manner and the most recent entry is at the top In this case the modem has gone into normal operating mode and the timestamps start when the modem has contacted the time of day server ...

Страница 17: ...ble Modem Overview MOTOROLA BCS CONFIDENTIAL Page 17 of 34 7 6 The Help Page This final page serves to explain the function of the previous pages as well as containing information on the software versions in use ...

Страница 18: ...us of the standard SNMP objects on any DOCSIS Modem Stormwatch monitors Cable Modem via SNMP objects Stormwatch can be CPE or Head end based The Stormwatch application allows for one time load or a permanent installation It is also available in two versions one of which is read only and the other is read write In the read only version the drop down tags which allow options to be changed do not app...

Страница 19: ...SB5101 Cable Modem Overview MOTOROLA BCS CONFIDENTIAL Page 19 of 34 8 1 Operational Data This page shows general information about the modem in particular what version of software is in use ...

Страница 20: ...al status of the modem in this case fully operational As this is a dynamic page variations in signal to noise or power levels can be viewed in almost real time In this case the screen shows that the modem has loaded a configuration file called generic cm again this is useful confirmation that the required file is actually in use ...

Страница 21: ...SB5101 Cable Modem Overview MOTOROLA BCS CONFIDENTIAL Page 21 of 34 8 3 The Operational Statistics Page The main feature of this page is to confirm how long the modem has been operating ...

Страница 22: ...CS CONFIDENTIAL Page 22 of 34 8 4 The Downstream Modulation Characteristics Page This page shows the physical characteristics of the downstream link and in particular the signal to noise ration and whether any FEC errors have been detected ...

Страница 23: ...CS CONFIDENTIAL Page 23 of 34 8 5 The Downstream Connection Page This page displays IP specific information about the downstream connection it shows which client CPE addresses have been learned and also any packet errors that have occurred ...

Страница 24: ...f 34 8 6 The Upstream Modulation Characteristics Page This page contains important physical information about the performance of the upstream link In particular it shows the Power Level and whether or not the modem has retuned both good indicators of link integrity ...

Страница 25: ...ge 25 of 34 8 7 The Channel Parameters Page This page allows certain parameters to be set on the modem if that facility has been allowed One possibility may be to lock the modem to different frequency plan when moving between networks for diagnostic purposes ...

Страница 26: ...ew logs are added at the bottom of the screen in the style of a standard scrolling window This log shows the final stages of a successful connection sequence In addition to the screens themselves there is also the option of using drop down menus to set particular parameters should than facility have been enabled ...

Страница 27: ...dows Linux and Unix based systems It features a simple Java based user interface which includes checking of data fields as they are entered It is a tool designed to make life easier for both the experienced operator by automating the configuration process and for the less experienced operator by providing extensive help facilities 9 Modem Profiler Beachcomber ...

Страница 28: ...ct of configuration management which needs to be managed carefully is the use of Filters and Access lists These tables are used by the operator to determine what services their customers and use and more importantly to block activities which the operator does not want to allow ...

Страница 29: ...erent types of end user service and allocate the resources required to ensure the customer actually receives the service they are paying for Beachcomber allows the definition of both the upstream and downstream service flows and the classifiers which determine the admission to those flows the graphical presentation makes it easy to see what is being configured and to compare the details of differe...

Страница 30: ...ser to log onto the device and set diagnostic switches to trace and log what is happening on the network This is a very powerful tool for tracing intermittent and otherwise difficult faults 10 1 Diagnostic Cable Modem Command Line Interface Notes The CLI can only be accessed via an rlogin based Telnet client or the Diagnostic Console Cable and the DIAG port on the back of the modem Modems that are...

Страница 31: ...splays modem addressing information Ethernet MAC and IP arpstorm Displays ARP Storm filter statistics blpinfo Displays Baseline Privacy Key Management information bootChange Changes modem boot parameters bridge Displays state of bridge forwarding layer and statistics clrcpemac xx xx xx xx xx Clear one static CPE MAC address from Table of known CPE s Number of CPE s Controlled by TFTP TLV Value Max...

Страница 32: ...ng an IP address ping hostname Ping an IP host by name names are only configurable at the Engineering Diagnostic Level quit Exits the login session reset Reset the Cable Modem rlogin hostname Establishes a rlogin session to hostname names are only configurable at the Engineering Diagnostic Level routes Displays host and network routing table setdbg Sets some debug flags see below startuplog Displa...

Страница 33: ...g statements are displayed UCD Debug On IF 1 UCD Debug statements are displayed UU Debug On IF 1 Unit Update debug statements are displayed CLI Off IF 1 Turns off CLI shell Use vxWorks Operating System Shell BLP Off IF 1 Turns off Baseline Privacy QAM16 Preamble IF 1 use QAM 16 IF 0 use QPSK Frequency step size Set to Values 50000 8000000 Mhz default 6000000 Scan lower limit Set lower Scan Limit S...

Страница 34: ...F of 95 years SB3100 After 24 months and more than 1 6M units shipped the SB3100 has an AFFR of 5 and an actual MTBF of 225 years SB4100 After 20 months and more than 3 4M units shipped the SB4100 product has an AFFR of 19 and an actual MTBF of 514 years SB4200 After 12 months and more than 4M units shipped the SB4200 product had an AFFR of 08 and an actual MTBF of 525 years SB5100 After 6 months ...

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