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Chapter 9: Managing the Modem

April 14, 2006

9-8

MM70xG2-UM-03

IEW

DSL S

TATISTICS

The DSL statistics provides link statistics as well as error counter values for the modem. This data provides
information for managing and troubleshooting the DSL transmission.

View G.shdsl Link Statistics

Use the information about the G.shdsl transmission on the Link Statistics page for troubleshooting and monitoring.

Step

Action

Select System on the menu bar, then select DSL Statistics under Status to access the Link Statistics
page (

Figure 9-7

Figure 9-7. Link Statistics

Содержание MM701G2

Страница 1: ...Megabit Modem MM701G2 MM702G2 User Manual Document Number MM70xG2 UM 03 Product Catalog MM701G2 and MM702G2...

Страница 2: ...urposes only and may be trademarks or regis tered trademarks of their respective companies Disclaimer of Liability Information contained in this document is company private to ADC Telecommunications I...

Страница 3: ...odem Management 2 1 Assign IP Addresses 2 1 Set Up the Web Browser 2 2 Accessing the Modem Web Pages 2 3 Chapter 3 Configuring the LAN 3 1 Before You Begin 3 1 Configure the LAN 3 1 Configure DNS Rela...

Страница 4: ...odem 7 3 Configure the Central Office Modem 7 6 Verify Connectivity 7 9 Chapter 8 Configuring NAT 8 1 Before You Begin 8 1 Configure NAT 8 1 Chapter 9 Managing the Modem 9 1 View System Status 9 1 Vie...

Страница 5: ...e DSL A 17 Configure G shdsl Parameters A 18 View G shdsl Configuration A 22 Monitor G shdsl Statistics A 23 Restoring Factory Defaults A 27 Saving the Current Configuration A 28 Updating System Softw...

Страница 6: ...Table of Contents April 14 2006 vi MM70xG2 UM 03...

Страница 7: ...CP IP Properties 3 5 Figure 3 6 DHCP Server Page 3 5 Figure 3 7 DHCP Server Page 3 6 Figure 4 1 WAN Configuration Page 4 2 Figure 4 2 RFC 1483 Bridged Session 4 3 Figure 4 3 RFC 1483 Routed Session 4...

Страница 8: ...figuration Configure CO LAN 7 8 Figure 7 12 Save Changes CO LAN 7 9 Figure 7 13 ATM Statistics 7 10 Figure 8 1 Security Interface Configuration 8 1 Figure 8 2 Firewall Add Interface 8 2 Figure 9 1 Sys...

Страница 9: ...agement Menu A 17 Figure A 14 G SHDSL Quick Configuration A 18 Figure A 15 G SHDSL Advanced Configuration A 20 Figure A 16 G SHDSL Current Setting Menu A 22 Figure A 17 Quick Configuration Setting Men...

Страница 10: ...List of Figures April 14 2006 x MM70xG2 UM 03...

Страница 11: ...1 1 Required Equipment 1 2 Table 1 2 LED Status Indicators 1 5 Table 5 1 User Access Levels 5 2 Table B 1 DSL Port RJ 11 2 Wire B 6 Table B 2 DSL Port RJ 11 4 Wire B 6 Table B 3 10 100Base T Port RJ 4...

Страница 12: ...List of Tables April 14 2006 xii MM70xG2 UM 03...

Страница 13: ...apter 7 Implementing a Point To Point LAN Extension Chapter 8 Configuring NAT After configuring the modem s for your application monitor its status and perform other management functions using the ins...

Страница 14: ...harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the follo...

Страница 15: ...or PPP sessions to the same or different service providers over the WAN interface Protocols and services such as DHCP server DNS Relay NAT OAM and RIP UNPACK THE MODEM If you store the modem for a lo...

Страница 16: ...t to the same transmission direction s as the NIC Optional serial interface card installed in PC used for access to the modem console port Software TCP IP protocol stack installed see the operating sy...

Страница 17: ...er Step Action 1 Set the modem MDI MDI X switch see Figure 1 2 to one of the following MDI X when connecting to a device such as a PC Ethernet NIC card that has an MDI port MDI when connecting to a de...

Страница 18: ...r cable to the DSL line port and wall jack Black Ethernet cable to the 10 100Base T port and to another Ethernet device such as a PC hub or router Power cable to the modem power connector and to facil...

Страница 19: ...net packet collisions are occurring Off No Ethernet packet collisions are occurring DSL The service provider sets up the DSL parameters for your service The modem must have the DSL SYNC LED lit before...

Страница 20: ...e To perform a reboot Step Action 1 Use the tip of an unfolded paper clip or similar object without a sharp tip to gently press the Reset button on the back panel of your modem for less than 5 seconds...

Страница 21: ...Do one of the following Change the management PC IP address so that it is on the same subnet as the modem go to Step 1 below Change the IP address of the modem 10 100Base T LAN port to a value assigne...

Страница 22: ...ture Do one of the following If DHCP server has not been enabled on the modem default setting select Specify an IP address If DHCP server has been enabled on the modem select Obtain an IP address auto...

Страница 23: ...agement PC is connected to the modem and also connected to an intranet with an assigned proxy server using a hub do the following Select the Use a proxy server box Click Advanced then add the IP addre...

Страница 24: ...nd functions as a home page with a menu bar This menu bar provides navigation to all Web pages used for configuration and management Figure 2 6 System Status Page Additionally the System Status page p...

Страница 25: ...odem is enabled If it is enabled determine if the modem will be configured as a DHCP client which receives an IP address from another device that is a DHCP server on the LAN DHCP server determine the...

Страница 26: ...on page A 6 IP Address See the LAN administrator for a LAN IP address Do one of the following Enter an IP address for the LAN 10 100Base T port provided by the LAN administrator Use the default IP ad...

Страница 27: ...nfigure to access the following DNS Enable Relay page Figure 3 3 Figure 3 3 DNS Enable Relay Page 3 Enter the DNS server IP address for the device to which the modem will forward IP address resolution...

Страница 28: ...ing IP addresses DHCP server or forwarding the request to another device that will provide DHCP services DHCP relay agent If you selected DHCP client when you configured LAN parameters on page 3 2 the...

Страница 29: ...mple of the dialog and fields that must be filled in example is from Windows 2000 the dialog for other oper ating systems may be slightly different Figure 3 5 Internet Protocol TCP IP Properties Enabl...

Страница 30: ...provides this IP address as a default DHCP gateway to requesting DHCP clients such as PCs on the LAN If there are no gateways on the LAN then the modem LAN port IP address can be assigned as the gatew...

Страница 31: ...PoE up to 8 sessions for either type IP address and subnet mask for each session using RFC 1483 Router protocol RIP version each direction for each session using RFC 1483 Router protocol or PPP RIP Ve...

Страница 32: ...ect a new session type RFC 1483 bridged if the modem forwards packets based on MAC addresses You can enable Span ning Tree when you select Bridge sessions See Change Spanning Tree Setting on page 5 10...

Страница 33: ...ter 4 Configuring the WAN MM70xG2 UM 03 4 3 Set Up an RFC 1483 Bridged Session When you select RFC 1483 bridged from the WAN Configuration page you see the following page Figure 4 2 Figure 4 2 RFC 148...

Страница 34: ...ak Cell Rate PCR value supplied by your service provider If you are not provided a PCR value use the default PCR is the maximum rate at which data is transferred on the line and measured in ATM cells...

Страница 35: ...apter 4 Configuring the WAN MM70xG2 UM 03 4 5 Set Up an RFC 1483 Routed Session When you select RFC 1483 routed from the WAN Configuration page you see the following page Figure 4 3 Figure 4 3 RFC 148...

Страница 36: ...you are not provided a PCR value use the default PCR is the maximum rate at which data is transferred on the line and measured in ATM cells per second The valid range is 1 5500 cells per second The de...

Страница 37: ...Enter the subnet mask provided by the service provider for this session or use the default subnet mask for the session which is 255 0 0 0 Or if DHCP Client was selected the subnet mask will automatic...

Страница 38: ...R value use the default PCR is the maximum rate at which data is transferred on the line and measured in ATM cells per second The valid range is 1 5500 cells per second The default PCR is 5500 QoS Sus...

Страница 39: ...provided by your service provider for PPP sessions The authentication protocol type must match at the modem and the service provider The options are PAP The modem sends authentication requests to the...

Страница 40: ...PPPoE 1483 Bridge and 1483 Router sessions for the modem See page 4 1 for the limits on sessions per each protocol type From the WAN configuration page configure the parameters for each session you wi...

Страница 41: ...n options for that WAN session are displayed The following Figure 4 6 shows the fields you can edit for a routing session or you can delete the session The Protocol field at the top of the dialog is r...

Страница 42: ...Sessions PPP 3 Change session parameters as required Go to the following pages for parameter definitions based on the protocol used for that session For an RFC1483 Bridge session go to page 4 3 For an...

Страница 43: ...P address If spanning tree protocol is required based on one or both of the following conditions then enable it RFC 1483 Bridge protocol is used for any session or for the 10 100Base T port LAN there...

Страница 44: ...the user in a way that is meaningful to you All keyboard characters are allowed Note It is important to change the password for all three default user accounts to ensure secure access to the modem for...

Страница 45: ...re 5 1 on page 5 1 select the name in the User column that you want to change or delete The following dialog is displayed Figure 5 3 User Configuration b To modify the user account change any of the p...

Страница 46: ...ession you set up was a PPP session the IP address that was dynamically assigned to that PPP session was also automatically assigned as the default gateway If you do not want this IP address PPP WAN s...

Страница 47: ...ixed path as contrasted to a dynamic route which is automatically determined and learned RIP for example If the next gateway for network traffic is unknown a static route will be its default path Addi...

Страница 48: ...st to which the packets are directed Use 0 0 0 0 as the destination IP address for a default route Gateway The IP address for the next hop in your network to which the packets are forwarded The gatewa...

Страница 49: ...llowing a From the Static Routes table page 5 5 click the IP address in the Destination column that you want to delete The following dialog is displayed D Figure 5 7 Delete Route b Click Delete to rem...

Страница 50: ...g to view and or change modem parameters To enable SNMP access to the modem SNMP community strings need to be configured Step Action 1 Select System on the menu bar then select SNMP Communities under...

Страница 51: ...this SNMP community All keyboard characters are allowed for this name up to a maximum of 80 characters You must add a community name in this field to later edit or delete the SNMP community This name...

Страница 52: ...ing WAN sessions see Configure a New WAN Session on page 4 2 LAN port and the LAN has more than one device PCs and servers for example and those devices have more than one physical path connecting the...

Страница 53: ...The modem STP priority how centrally located this bridge is in the network A lower number indicates a more centrally located bridge The valid priority range is 0 to 65535 A priority of 32768 is the de...

Страница 54: ...current system configuration to permanent memory NVRAM You cannot selectively write configuration to NVRAM When you issue the save command all current configuration is written to NVRAM Note When savi...

Страница 55: ...Save to write the configuration to flash memory and do not power off the modem while the save is in progress The following dialog Figure 5 13 is displayed when the save is complete Figure 5 13 Configu...

Страница 56: ...e Reboot page Figure 5 14 Reboot 2 Do one of the following a Click Yes to reboot the modem b Click No to cancel the rebooting process Note Refer to Rebooting the Modem with the Reset Button on page 1...

Страница 57: ...e modem is an endpoint for a DSLAM application or the customer side modem in a point to point application or Central Office use only for the central office side modem in a point to point application A...

Страница 58: ...and the device to which this modem is attached can operate Startup Margin The target signal to noise margin in decibels that the modem must achieve with a BER of 10 7 or better to successfully comple...

Страница 59: ...em at the customer or user site is set to Remote and the second modem in the CO or wiring closet is set to Central Office For instruction on setting up G shdsl parameters and other related parameters...

Страница 60: ...vailable For the MM702G2 modem you can select Single Dual mode or Dual Enhanced mode The default value is Single Power Spectrum Distribution The Power Spectral Density PSD plots the variations of sign...

Страница 61: ...for internal use only SNR Margin Limit Identifies the minimum SNR margin in decibels that must exist when the G shdsl connection is synchronized and in order for the DSL MAR LED to be lit ON Green Th...

Страница 62: ...Chapter 6 Configuring DSL Parameters April 14 2006 6 6 MM70xG2 UM 03...

Страница 63: ...4 kbps are supported only when using the G shdsl modem in single pair point to point mode for a LAN extension application BEFORE YOU BEGIN Determine which of these implementations apply for your appli...

Страница 64: ...to point application you must change the IP address for the Central Office modem or Remote Modem Step Action 1 Select DSL on the menu bar then select Advance Configuration under DSL Options Figure 7 1...

Страница 65: ...see Configure the Remote LAN on page 7 5 Configure the Remote Operating Mode 2 In the IP address box enter 10 0 0 2 3 Click Apply to activate the changes The connection to the Web interface will be lo...

Страница 66: ...d from the WAN Configuration page to display the following page Figure 7 5 Figure 7 5 RFC1483 Bridged Session 3 In the Session Name box assign a name to this session 4 In the Virtual Path ID VPI 0 4 0...

Страница 67: ...ridged See Appendix A Command Line Interface Access on page A 1 for procedures on using this interface to change the LAN protocol 3 In the IP Address box enter an available IP address on your subnet 4...

Страница 68: ...page 7 7 LAN parameters see Configure the Central Office LAN on page 7 8 Configure the Central Office Operating Mode 5 Select Save Changes on the menu bar to access the Save Changes page Figure 7 7 F...

Страница 69: ...the WAN Configuration page to display the following page Figure 7 10 Figure 7 10 RFC1483 Bridged Session 3 In the Session Name box assign a name to this session can be the same as the Remote modem 4 I...

Страница 70: ...o Bridged See Appendix A Command Line Interface Access on page A 1 for procedures on using this interface to change the LAN protocol 3 In the IP Address box enter an available IP address on your subne...

Страница 71: ...e or ping between the two PCs This generates traffic and tests connectivity 5 Select Save Changes on the menu bar to access the Save Changes page Figure 7 12 Save Changes CO LAN 6 Click Save to save t...

Страница 72: ...tistics page Figure 7 13 Figure 7 13 ATM Statistics 3 View the statistics If the RX Cell and TX Cell values increment the two modems have established communication and are passing traffic If they do n...

Страница 73: ...esses WAN that are assigned to each session This essentially hides the private IP addresses behind the public IP addresses assigned to WAN sessions Prior to binding NAT to a WAN IP address you should...

Страница 74: ...page 6 To bind this session with NAT to internal interfaces private LAN side IP addresses click the button Enable NAT to internal interfaces located in the NAT column in the Security Interfaces table...

Страница 75: ...rovides the capability to return the modem from a current configuration to known default parameters VIEW SYSTEM STATUS System status provides an overall management view of the modem configuration and...

Страница 76: ...ettings table DSL Status Provides configuration values specific to G shdsl including Modulation Indicates the G shdsl transmission standard to which the modem is set State Status of the DSL link Data...

Страница 77: ...VIEW WAN STATISTICS WAN Statistics provide information about packets received and transmitted for every WAN session configured for the modem Step Action 1 Select System on the menu bar then select WAN...

Страница 78: ...ch the transmitted and received packets are being reported Rx Pkts The total number of packets received for this session Rx Bad Pkts The total number of errored packets received for this session Tx Pk...

Страница 79: ...number of Ethernet packets transmitted on this port Rx Bad Pkts The total number of errored Ethernet packets received on this port Tx Bad Pkts The total number of errored Ethernet packets transmitted...

Страница 80: ...is not supported in this release Step Action 1 Select System on the menu bar then select SmartCNCTSecurity under Status to access the Security Status page Figure 9 5 Figure 9 5 Security Status 2 View...

Страница 81: ...odem on the DSL interface Tx Cell Indicates the total number of cells transmitted by the modem over the DSL interface Cell Drop Indicates the total number of cells dropped by the modem Cell Delineatio...

Страница 82: ...ta provides information for managing and troubleshooting the DSL transmission View G shdsl Link Statistics Use the information about the G shdsl transmission on the Link Statistics page for troublesho...

Страница 83: ...connection is operational Data Rate Indicates the bit rate for this transmission on the G shdsl connection DSP Version Indicates the version of G shdsl firmware driver used on this modem Transmission...

Страница 84: ...integrity of data during transmission LOSW Errors Indicates the total number of loss of sync word LOSW defects that have occurred since the last time that the G shdsl error counters were cleared An LO...

Страница 85: ...complete and after the update the modem resets itself Do not recycle the power during this process This will cause permanent image corruption It is strongly recommended that you use this procedure to...

Страница 86: ...o provide a known starting point if you are troubleshooting or if you simply want to configure new parameters For session default values see Default Session Parameter Values on page B 4 There are thre...

Страница 87: ...he Web Interface IMPORTANT Active links are lost when you reset to factory default values Step Action 1 Click System on the menu bar then Factory Defaults under System Options to access the System Fac...

Страница 88: ...default settings Figure 9 13 Restore Factory Defaults Reset Button NOTE After uploading code V3 2 0 to the modem using HTTP perform Factory Defaults using the Reset Button IMPORTANT Holding down on t...

Страница 89: ...cessing and using the Web interface for management The Web interface is the more comprehensive of the two management interfaces and generally simpler to use There are situations however in which using...

Страница 90: ...ace using a telnet session To use a telnet session you must have IP access to the modem either through the 10 100Base T LAN port LAN side access or through an IP address assigned to a WAN session WAN...

Страница 91: ...program If you are using another terminal emulation program refer to the user documentation for instructions Step Action 1 From the Start button select Programs Accessories HyperTerminal 2 In the Hyp...

Страница 92: ...will be displayed see Figure A 3 enter your login and password Figure A 3 Login Prompt The System Management main menu is displayed Figure A 4 Figure A 4 System Management Main Menu Type the number a...

Страница 93: ...up for that WAN session for access Below is an example using the telnet application in Microsoft Windows to access the modem command line interface IMPORTANT Although you can have concurrent telnet a...

Страница 94: ...et Port IP address and subnet mask If you prefer you may use the default values of 10 0 0 1 for the Ethernet Port IP Address and 255 255 255 0 for the subnet mask Step Action 1 From the System Managem...

Страница 95: ...figuration LAN Subnet Mask Enter 3 then type the LAN subnet mask provided by your LAN administrator Use the following criteria to determine if or how the LAN subnet mask will be changed Enter the subn...

Страница 96: ...ing the protocols listed below Make sure however that you do not exceed the maximum limit per protocol type as shown below RFC 1483 Bridge up to 8 sessions RFC 1483 Router up to 16 sessions PPPoA or P...

Страница 97: ...sion if the modem forwards packets based on MAC addresses You can enable Spanning Tree when you select Bridge sessions See Change Spanning Tree Setting on page 5 10 2 Create RFC 1483 routed session if...

Страница 98: ...l time 4 UBR unspecified bit rate is the default setting Peak Cell Rate Enter 5 then type the QoS Peak Cell Rate PCR value supplied by your service provider If you are not provided a PCR value use the...

Страница 99: ...his connection Virtual Channel ID VCI Enter 3 then type the value from 32 to 65 535 provided by the service provider The number identifies the virtual channel for this session that transports ATM cell...

Страница 100: ...ultiplexer encapsulation allows one protocol to be run over the session WAN DHCP Enable Type 9 then select 1 to Disable or 2 to Enable DHCP client Enabling DHCP client provides the capability where th...

Страница 101: ...ype the value from 0 to 4 095 provided by the service provider The number identifies the virtual path that transports ATM cells between the modem and the service provider This value must match the vir...

Страница 102: ...then select either 1 to Enabled or 2 to Disabled the LLC header The default is Disabled Disabled indicates that VCMux encapsulation is used Enabled indicates that LLC Snap encapsulation is used WAN IP...

Страница 103: ...d authentication occurs only once during the life of the link 3 CHAP where the service provider returns an authentication challenge to the modem during the authentication User Name Enter 14 then type...

Страница 104: ...mation about editing parameters for these protocols Set Up an RFC 1483 Bridged Session on page A 10 Set Up an RFC 1483 Routed Session on page A 11 Set Up a PPPoA or PPPoE Routed Session on page A 13 4...

Страница 105: ...to set up and manage the G shdslADSL transmission line This menu allows you to View the DSL configuration Configure the DSL line Monitor the DSL statistics From the System Management main menu Figure...

Страница 106: ...a quick configuration or an advanced configuration for the G shdsl line parameters The following sections provide procedures for each configuration type Complete a Quick Configuration Step Action 1 Fr...

Страница 107: ...ttached can operate Startup Margin Type 3 then select a number from 1 to 21 for possible values between 10dB through 10dB or select 22 to completely Disable the margin The target signal to noise margi...

Страница 108: ...arameters for a point to point modem application go to Chapter 7 Implementing a Point To Point LAN Extension Standard Annex Type 2 then select one of the following Annexes 1 Annex A for operating cond...

Страница 109: ...and another modem Select 1 for Symmetric PSD which indicates that the PSD mask for both sides of the transmission the CO and remote side are the same symmetric Asymmetric PSD indicates that the PSD ma...

Страница 110: ...t Setting menu Figure A 16 Figure A 16 G SHDSL Current Setting Menu 2 cont Test Bit Rate Type 8 then select a rate number 1 through 36 for the test bit rate This test bit rate is used by the manufactu...

Страница 111: ...SHDSL Menu enter 4 to display the Quick Configuration Setting menu Figure A 17 Figure A 17 Quick Configuration Setting Menu View G shdsl General Statistics Step Action 1 From the G SHDSL Statistic Men...

Страница 112: ...onnection is operational Data Rate Indicates the bit rate for this transmission on the G shdsl connection DSP Version Identifies the version of G shdsl firmware driver used for this modem Transmission...

Страница 113: ...urred on the G shdsl connection since the last time that the G shdsl error counters were cleared CRC is an error checking technique used to ensure the integrity of data during transmission Errored Sec...

Страница 114: ...rface Tx Cell Indicates the total number of cells transmitted by the modem over the DSL interface Cell Drop Indicates the total number of cells dropped by the modem Cell Delineation Flag Indicates if...

Страница 115: ...y default values Using the Command Line Interface below Using the Web Interface see Reset to Factory Defaults using the Web Interface on page 9 13 Using the modem s Reset button see Reset to Factory D...

Страница 116: ...his prevents current changes from being lost in the event the modem is reset or power is cycled Step Action 1 From the Main Menu enter 5 to Save Current Configuration Figure A 22 Save Current Configur...

Страница 117: ...configuration It includes information about the firmware release model release date MAC address and DSP version This information is often used by technical support when troubleshooting From the Main M...

Страница 118: ...prompt Enter Y if you want to reboot the modem Enter N if you want to cancel the reboot Note Refer to Rebooting the Modem on page 5 14 for detailed information about rebooting the modem from the Web I...

Страница 119: ...fixed rate or rate adaptive symmetric G shdsl transmission up to 4 608 Mbps PPPoE PPP over ATM RFC 2364 RFC 1483 bridging over ATM AAL5 RFC 1483 routing over ATM AAL5 IPoA 32 simultaneous WAN session...

Страница 120: ...12 1122 950 894 793 791 1812 BOOTP 951 1542 TFTP 1350 IP over ATM 1577 RIP V2 1723 WAN Protocols IETF RFC 2364 PPP over AAL5 VC multiplexing and LLC encapsulation IETF RFC 2684 Multiprotocol encapsula...

Страница 121: ...p to 32 static routes Address Resolution Supports Address Resolution Protocol ARP over the LAN port RFC 826 Bridging Bridging and Address Learning Implements a transparent learning bridge with a bridg...

Страница 122: ...A Dynamic N A Dynamic NAT Not applicable Disabled Disabled Disabled RIP Send N A RIPv2 Bcast RIPv2 Bcast RIPv2 Bcast RIP Accept N A RIP I II RIP I II RIP I II Virtual Path ID VPI 0 4095 0 0 0 0 Virtu...

Страница 123: ...ir 4608 kbps for two pair Minimum transmission rate to sync 192 kbps for MM701G2 384 kbps for MM702G2 Connector RJ 11 ATM Asynchronous Transfer Mode ATM Adaptation Layer AAL5 ITU I 363 5 Supports enca...

Страница 124: ...e Connect Cables on page 1 3 for the location of this port Table B 1 DSL Port RJ 11 2 Wire Table B 2 shows the signal on each pin of the DSL port for a 4 wire G shdsl application The connector for thi...

Страница 125: ...nsole Port RJ 45 Table B 4 gives the signal designations and pin numbers for each end of the RJ 45 to RS 232 cable that is used between the modem Console port RJ 45 and the PC Serial port DB 9 Table B...

Страница 126: ...Appendix B Specifications April 14 2006 B 8 MM70xG2 UM 03 RATE VS REACH The following rate versus reach charts show values per each G shdsl loop Loop A or Loop B...

Страница 127: ...itoring upstream or downstream Power Monitoring and Remote Surveillance Service Maintenance Agreements and Systems Operation ADC Technical Assistance Center 800 366 3891 Email wsd support adc com Tech...

Страница 128: ...Appendix C Product Support April 14 2006 C 2 MM70xG2 UM 03...

Страница 129: ...ant bit rate data with a timing relationship between the source and the destination Also a traffic class that carries a guaranteed constant bandwidth Best suited for applications that require fixed ba...

Страница 130: ...manage the devices Vendors can specify proprietary MIBs for their devices to fit specific needs N NAT Network Address Translation provides the means to map private IP addresses LAN IP addresses to pu...

Страница 131: ...subnet mask A type of IP address that allows a site to use a single IP address for multiple physical networks T TCP Transmission Control Protocol is a transport protocol used to map inbound traffic f...

Страница 132: ...c It identifies a particular VP link VP A Virtual Path is a group of VCs carried between two points The VP provides a means of bundling traffic traveling in the same direction VPs are defined by a uni...

Страница 133: ...able protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and us...

Страница 134: ...ecommunications Inc PO Box 1101 Minneapolis MN 55440 1101 USA For Technical Assistance Tel 800 366 3891 Megabit Modem MM701G2 MM702G2 User Manual Document Number Product Catalog MM701G2 and MM702G2 MM...

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