Vdsl QAM Channel Status Report | 3Com DSA-3CV1001-02 guide

54CHAPTER 4: USING THE LOCAL MANAGEMENT ACCESS

Figure 48 VDSL Menu

.

VDSL Menu

---------

1.QAM channel status

2.Read BCM6010 register

3.Write BCM6010 register

4.I2C control

5.VDSL print

0.Return to previous menu

Please Enter your choice:

VDSL QAM Channel Status Report

To check the VDSL parameters, enter 1 in the VDSL Control Menu; the

QAM Channel Status report appears:

Figure 49 VDSL QAM Channel Status Report

QAM Channel Status

------------------

QAM status:	In lock
VDSL restarts:	1
VDSL warm starts:	0
Downstream parameters
DS Symbol rate:	1.964	Mbaud
DS Constellation:	2^5
DS Bit rate:	9.820	Mbps
SNR Estimate:	40.30	dB
Upstream parameters
US Symbol rate:	4.910	Mbaud
US Constellation:	2^2
US Bit rate:	9.820	Mbps

Press ENTER to continue ...

Figure 49 contains the following information:

■QAM Status: In lock—the line to the VCN Access Concentrator (VCN AC) is connected.

Image 54

3Com DSA-3CV1001-02 service manual Vdsl QAM Channel Status Report

Contents

Visitor and Community Network Access Point 3Com Corporation 5400 Bayfront Plaza Santa Clara, California List conventions that are used throughout this guide About this GuideConventions Icon Description Year RelatedDocumentation Compliance Contents Using the Local Management Access Summary and Structure of the Menus Login Online Technical Services World Wide Web Site 3Com FTP SitePage Visitor Features BenefitsOverview Community Overview Visitor Community Network Applications Shows a typical MTU/MDU application Features PBX VCN AP Software Download Network Configuration Describes the LEDs and connectors on the front panel VCN Access Point LEDs and Connectors Front ViewType State Used to Describes the connectors on the back panel VCN AP Unit LEDs and Connectors Back Panel Safety Information To reduce the risk of electrocution and fire Précautions de sécurité concernant le VCN Access Point Sicherheitsvorkeh- rungen für den VCN Access Point Sicherheitsvorkehrungen für den VCN Access Point Safety Information Quantity Supplied by Installing and Operating VCN Access PointUnpacking List 3Com Wall, see Installing the VCNAccess Point Under a table, see Access Point on a Wall Apply the paper template to the wall as shown in Figure Insert the three anchors. See Figure Drill Holes for Anchors Inserting Anchors Drive the last screw into the wall anchor to the full depth Screw Holes in the Top of the VCN AP Table the lower surface of a table, as in Figure VCN AP without Curved Cover Ap er tem pla te Lin e W e r Is aligned with the VCN APs small screw hole. See Figure Driving Two Screws into the Table Inserting the VCN AP under the Table Completion of Mounting the VCN AP Under the Table Preparing VCN AP for Table Top Use Troubleshooting, section Power-on Self Test Post Making a Voice Call Operating the VCNVCN AP may be used for the following Any front panel connection Receiving Data Traffic Receiving Faxes Management Using the Local Management AccessUsing Terminal Menus Terminal EmulatorMenus use the management system efficiently Menu Hierarchy Type your Login ID and press Enter Type your password and press EnterNumber Sequence Corresponding to Submenus Return to Previous Menu Option VCN AP Main Menu Version Screen VCN AP Management Menu Ethernet Traffic Counters Ethernet Status Ethernet Traffic Count Screen Learning Table Reset CountersChange Ethernet Work Mode Menu If a PC is not connected, the message in appears Setting Internal Loopback Mode When you discard the operation, the message appears Setting External Loopback Mode Hdlc Menu To view the Hdlc Menu Hdlc Traffic Counters Type y and press Enter to perform the reset Hdlc Status Change Hdlc Work Mode Hdlc Status Screen Normal mode is lack of loopbacks Operation Mode Selector Menu appears Reset messages Enter F Vdsl QAM Channel Status Report Set Vlan ID for Management To set the Vlan ID perform the following steps Change Password Set Ethernet Half/Full Duplex ModeEnter the desired mode a confirmation message appears To change the password, do as follows Set to Factory Defaults Interface from the Local Management port Access in this manual ProcedureDownload VCN Service Switch 10 Front Pane Downloading Software to the LCs in the VCN AC Software Download Network Configuration Software Download Menu Enter the AC Vlan ID and press Enter. The message appears LC Downloading State Table LC Downloading Results Downloading Software to VCN APs Enter the AP Vlan ID and press Enter. The message appears AP Downloading State Table Check Software Download for the LC Cards Download Failed for all LCs and all VCN APs Download Failed for One or More Line Cards but not All Download Failed for One or More VCN APs but not All Use the front panel LEDs to determine each port’s status TroubleshootingState Ethernet Line Power Determining VCN AP Status During Post VCN AP LEDs ProblemsDescribes the LEDs State Indicates VCN AP is not VCN AP VCN AC Problem Solution Summary of VCN AP LED Indications after Post NIC Summary Abnormal Indications From Traffic Counts Hdlc Traffic Count IndicatorsSummary of Problems Indicated by Counts of Errored Frames Counter Counts the Frames Normal Count Indicates Fatal Error Messages Error message Significance User Action Appendix a Troubleshooting Product Specification EMC Appendix B Product Specification Local Access Confirm Reset Board Management Menu appears Type Y to reset. The screen in appears Type S the downloading message appears Figure Procomm window , select Data Send File Figure Procomm Plus Terminal Screen Screen in appears Select the correct file and click Open While the file is downloading, the status window in appears Send File Status Window Flash VCN AP LM Terminal Connector Pin Assignment PIN Assignments for LMA D CablePin No. Assignment VCN AP describes the pin assignments LM Cable Wiring LM Cable Connections MiniDIN DB-9 Pin No Pin No. Assignment Appendix D PIN Assignments for LMA Cable To define the terminal emulation settings Terminal Emulation SettingsTerminal Emulation Settings Defining Terminal settings can be established in one of two ways Terminal SettingsConfiguration Bar Procomm Plus Settings Procomm Setup Window No From Left Function Settings Flow control Connection Properties Window Technical Support ServicesServices Online Technical Hours a day, 7 days a week Access by Analog ModemUsername anonymous Country Data Rate Telephone Number Access by Digital Modem 847 262408 727 Europe, South Africa, and Middle East Country Telephone Number Asia, Pacific Rim Country Telephone Number Fax Number Page Index Numbers Remote software download Requirements 3Com Corporation Limited Warranty Obtaining Warranty Service Ninety 90 days Governing LAW EMC Statements