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Configuring ADSL Service

Megabit Modem 310F and 320F User Manual

ONFIGURING

ADSL S

ERVICE

This section describes how to configure ADSL data transmission parameters.

From the

Main Menu (

page 11

)

, type

to display the

ADSL Menu

From the

ADSL Menu

, type

to display the

ADSL Configuration Menu

You configure ADSL transceiver service from the Megabit Modem 310F
(ATU-C) only. The

ADSL Configuration Menu

items are read-only from the

Megabit Modem 320F (ATU-R). You must reset the ADSL Link to activate ADSL
configuration changes (

page 26

07/20/99

PAIRGAIN TECHNOLOGIES

03:25:24

ATU-C ADSL MEGABIT MODEM TERMINAL v 1.0

ADSL MENU

1. ADSL PERFORMANCE STATUS
2. 24 HOUR ADSL PERFORMANCE HISTORY
3. 7 DAY ADSL PERFORMANCE HISTORY
4. ADSL ALARM HISTORY

5. ADSL CONFIGURATION MENU

6. ADSL LINK RESET

(M)ain

ENTER CHOICE-->

07/20/99

PAIRGAIN TECHNOLOGIES

00:26:09

ATU-C ADSL MEGABIT MODEM TERMINAL v 1.0

ADSL CONFIGURATION MENU

1. STARTUP OPTION

ADAPTIVE RATE

2. (MAX) UP DATA RATE

928

(

64 -

928 Kbps)

3. (MAX) DOWN DATA RATE

7040 (

64 - 7040 Kbps)

4. (MIN) UP DATA RATE

(

64 -

928 Kbps)

5. (MIN) DOWN DATA RATE

(

64 - 7040 Kbps)

6. STARTUP SNR MARGIN

4dB

7. MARGIN THRESHOLD

8. ES THRESHOLD

100

9. ALARM CONFIGURATION

LOF=E

MAR=E

ES=E SES=E

LOS=E

SELF=E

A. UP INTERLEAVE OPTION

msec

B. DOWN INTERLEAVE OPTION

msec

(U)ndo (R)eturn (M)ain

ENTER CHOICE-->

Содержание 310F

Страница 1: ...Catalog Number MMD4067I2 Issue 2 MEGABIT MODEM 310F AND 320F USER MANUAL ...

Страница 2: ... Disclaimer of Liability Contents herein are current as of the date of publication ADC reserves the right to change the contents without prior notice In no event shall ADC be liable for any damages resulting from loss of data loss of use or loss of profits and ADC further disclaims any and all liability for indirect incidental special consequential or other similar damages This disclaimer of liabi...

Страница 3: ...entified by icons are used throughout the document PRODUCT CERTIFICATIONS FCC Megabit Modem This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates use...

Страница 4: ...urning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna 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 h...

Страница 5: ...s 7 Powering Up and Checking LEDs 8 Chapter 3 Preparing for Configuration and Management 9 Connecting a Terminal 9 Configuring the Terminal 10 Logging On and Navigating the Interface 10 Logging On to the Local Modem 10 Logging On to the Remote Modem 12 Navigating the Interface 13 Logging Off 14 Chapter 4 Configuring the Modems 15 Setting System Configurations 15 Changing the System Time 16 Changin...

Страница 6: ...g Bridge Aging Time 27 Configuring the Source Address Database 28 Resetting the Bridge 30 Chapter 5 Monitoring Circuit Status and Displaying System Information 31 Monitoring ADSL Status 31 Monitoring ADSL Performance Status 32 Monitoring 24 Hour ADSL Performance History 34 Monitoring 7 Day ADSL Performance History 35 Monitoring ADSL Alarm History 36 Monitoring Ethernet Bridge Statistics 38 Display...

Страница 7: ...bit Modem 310F and 320F User Manual vii Rate Adaptive Transmission 47 Rate Adaptation 48 Reach Data Rate SNR Margin and Noise Environment 48 Technical Specifications 51 Compliance 52 Connector Pinouts 53 Limited Warranty 56 ...

Страница 8: ...Table of Contents viii Megabit Modem 310F and 320F User Manual ...

Страница 9: ...oexist with the high speed data service on the same wire pair The Megabit Modem 310F and 320F support the full DMT rate of 64 kbps to 7040 kbps downstream and 64 kbps to 928 kbps upstream The Megabit Modem 310F and 320F can be used in either rate adaptive mode in which the modem speed automatically adjusts to the maximum attainable data rate depending on distance and line condition or you can sele...

Страница 10: ...oint to point LAN extension for example connecting multiple users at a satellite office to a corporate office LAN Home office 320F Modem 320F Modem Ethernet LAN Service Provider ADSL ADSL Corporate office Telecommuting Application 310F Router 310F Local User Satellite office 320F Modem 310F Modem Ethernet LAN ADSL Corporate office LAN Extension Application Ethernet LAN ...

Страница 11: ...1 Unpack each container and visually inspect it for signs of damage If the equipment has been damaged in transit immediately report the extent of damage to the transportation company and to your sales representative Order replacement equipment if necessary 2 Check the shipment contents against the packing list to ensure complete and accurate shipment If the shipment is short or irregular contact y...

Страница 12: ...C running a terminal emulation program for configuration and management Cable has RJ 45 connectors The adapter converts the RJ 45 port to a DB 9 Universal power supply Provides primary power to the modem and establishes a safety ground The Megabit Modem 310F and 320F are available with a variety of power cords When you order your modem choose one of the following as the last number in the product ...

Страница 13: ...rt RJ 45 port used to connect the modem to the 10BASE T port of a network hub or PC NIC RS 232 port RJ 45 port used to connect an ASCII terminal or PC running a terminal emulation program for configuration and management DSL port RJ 11 port used to connect the modem to the ADSL transmission line POWER connector 7 pin DIN port that supplies power to the Megabit Modem 310F and 320F Connect only the ...

Страница 14: ...ction power supply connect to power connector See Connector Pinouts on page 53 for ADSL and 10BASE T connector pinouts Do not connect any other power supply to the Megabit Modem 310F or 320F If you use another power supply you could permanently damage the unit Megabit Modem 310F or 320F DSL port Power connector To wall outlet Wall RJ 11 jack with ADSL transmission 10BASE T port 10BASE T RS 232 por...

Страница 15: ...n Power is available to the modem Off Power is off On Network link is up Off Link is down Flashing Collision detected Off No current collision Flashing Off Transmitting a frame No current transmission Off No current reception LAN ADSL MEGABIT MODEM 320F LINK TX RX COL PWR SYNC RX MAR TX On Off Margin is at or above configured threshold Margin is below configured threshold Flashing Off Receiving a ...

Страница 16: ... ensure the Power LED is lit solid green 3 Allow the modems approximately 30 to 60 seconds to synchronize 4 After both modems are powered up verify the following LED indications on each modem 10BASE T LINK LED is solid green when the Ethernet port is connected ADSL SYNC LED is solid green when the Megabit Modem 310F synchronizes with the Megabit Modem 320F the LED flashes green when synchronizatio...

Страница 17: ...erminal or PC running a terminal emulation program 1 Plug the console adapter into the standard 9 pin COM port on the terminal or PC and tighten the captive screws until they are snug Skip this step if you are using an ASCII terminal that has an RJ 45 jack 2 Connect one end of the gray console cable to the adapter or ASCII terminal RJ 45 jack 3 Connect the other end of the gray console cable to th...

Страница 18: ...a bits 1 stop bit no flow control 2 Set the terminal emulation mode to ANSI LOGGING ON AND NAVIGATING THE INTERFACE Using the management interface you can manage both the Megabit Modem 310F and 320F The header on each screen identifies the modem you are currently managing ATU C is the Megabit Modem 310F ATU R is the Megabit Modem 320F Logging On to the Local Modem 1 Press the several times to acti...

Страница 19: ...ich is the factory default password See Changing the Logon Password on page 17 to customize your password The Main Menu displays ENTER 07 20 99 PAIRGAIN TECHNOLOGIES 00 47 59 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 LOGON PASSWORD 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 MAIN MENU 1 SYSTEM MENU 2 ADSL MENU 3 BRIDGE MENU 4 REMOTE LOGON Q LOGOUT ENTER CHOICE ...

Страница 20: ... R modems type to toggle between the ATU C and ATU R screens to perform configuration or to view status When you log on locally to the Megabit Modem 320F you can view system parameters and set some configuration options for the Megabit Modem 320F only 4 CTRL T 07 20 99 PAIRGAIN TECHNOLOGIES 00 17 43 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 MAIN MENU 1 SYSTEM MENU 2 ADSL MENU 3 BRIDGE MENU 4 REMOTE ...

Страница 21: ...option by typing the number that precedes it Main Menu Logon System Menu ADSL Menu Bridge Menu Remote Logon Read only field for the Megabit Modem 320F System Configuration 24 Hour ADSL Performance History Source Address Database Menu 7 Day ADSL Performance History ADSL Alarm History System Information ADSL Performance Status ADSL Transceiver Configuration Menu ADSL Link Reset Bridge Statistics Men...

Страница 22: ... LOGGING OFF From the Main Menu type to log off the management interface Key Function Restores the selected parameter to the last saved setting This applies only to parameters for which you type a value but not to parameters for which you toggle to select a value Opens the Main Menu Logs you off the management interface from the Main Menu Returns to the previous menu Refreshes the data on the curr...

Страница 23: ...S 232 port SETTING SYSTEM CONFIGURATIONS From the System Configuration menu you can set the system time and date change the password and reset the modems to factory default values 1 From the Main Menu page 11 type to display the System Menu 1 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 SYSTEM MENU 1 SYSTEM INFORMATION 2 SYSTEM CONFIGURATION M ain ENTER CHOICE ...

Страница 24: ...t corner of the screen Changing the System Date 1 From the System Configuration menu type to select Change System Date The following message displays Please enter a new date MM DD YY 2 At the system prompt type the new month day and year in the specified two digit numeric format then press The new date displays in the upper left corner of the screen 2 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU C ...

Страница 25: ...new password 3 At the system prompt type the new password using up to eight characters then press An displays as you type each character After you press the following prompt displays Please retype the new password 4 At the system prompt type the new password again then press The following prompt displays Password accepted If you change the default password write it down and save it in a secure pla...

Страница 26: ...ffect The following message displays NVRAM Updated Type to discontinue this procedure Setting Factory Default System Logon Password ATU R Login Megabit Modem 320F Craft Port Access Enable ADSL Startup Mode Adaptive Rate Margin 4 dB Upstream Data Rate 928 kbps maximum 64 kbps minimum Downstream Data Rate 7040 kbps maximum 64 kbps minimum SNR Margin Threshold 3 dB ES Threshold 100 Alarm Severity E e...

Страница 27: ...n option When the RS 232 port status is ENABLED it changes to DISABLED after typing 2 Press to confirm the new ATU R Login option for the RS 232 port The new option displays to the right of ATU R Login The ATU R Login option displays for the remote modem only when you are logged on to the Megabit Modem 310F ATU C The current status of the Megabit Modem 320F RS 232 port enable or disable displays t...

Страница 28: ...TECHNOLOGIES 03 25 24 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 ADSL MENU 1 ADSL PERFORMANCE STATUS 2 24 HOUR ADSL PERFORMANCE HISTORY 3 7 DAY ADSL PERFORMANCE HISTORY 4 ADSL ALARM HISTORY 5 ADSL CONFIGURATION MENU 6 ADSL LINK RESET M ain ENTER CHOICE 5 07 20 99 PAIRGAIN TECHNOLOGIES 00 26 09 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 ADSL CONFIGURATION MENU 1 STARTUP OPTION ADAPTIVE RATE 2 MAX UP DATA...

Страница 29: ...rgin value you want then press The Startup SNR Margin is the margin that the modem must achieve to come up The available values range from 0 to 15 dB The default is 4 dB You can configure these settings only from the Megabit Modem 310F for both the Megabit Modem 310F and 320F The fields are Read Only Parameters when you access them through the management interface for the Megabit Modem 320F Startu...

Страница 30: ...ollowing message displays Enter valid input d Type a minimum upstream data rate in kbps then press The valid data rate values are increments of 32 between 64 and 928 kbps If you enter a value that is not an increment of 32 the modem automatically adjusts it to the closest increment of 32 The default is 64 kbps 2 Configure the downstream data rates transmission toward the Megabit Modem 320F a From ...

Страница 31: ...R margin alarm occurs and the MAR LED on the modem front panel turns off 1 From the ADSL Configuration Menu page 20 type to select Margin Threshold The following message displays Enter Valid Input 2 Type an SNR dB value between 0 and 15 then press The default value is 3 dB Configuring the ES Threshold The ES Errored Seconds Threshold is the number of acceptable seconds in a 15 minute interval duri...

Страница 32: ... to configure The following table identifies the available alarm types 3 Press the to toggle to the setting you want for the alarm then press The following table describes the available alarm settings The default for each alarm is E Alarm Type Description LOF Loss of Frame MAR Margin ES Errored Seconds SES Severely Errored Seconds LOS Loss of Signal SELF Self test failed Setting Description E Enab...

Страница 33: ...ption 4 Press the to toggle to the interleave value you want then press The available options are 0 2 4 8 and 16 msec The recommended interleave delay is 4 msec to achieve minimum latency with adequate noise immunity The default is 4 Saving ADSL Configuration Changes After you make changes to ADSL configuration from the ADSL Configuration Menu page 20 you must either accept or not accept these cha...

Страница 34: ... The following prompt displays This will bring down the ADSL link Are you sure Y N 2 Do one of the following Type to reset the ADSL link The following message displays ADSL link reset Type if you do not want to reset the modem If you do not reset the modem ADSL configuration changes you made are not activated When you select yes the modem automatically resets the ADSL link between the Megabit Mode...

Страница 35: ... Time determines the interval at which the modem checks the bridging table for unused addresses and marks those addresses as invalid The default is 300 seconds 1 Type to select Bridge Aging Time 2 Type the value in seconds valid range is from 1 to 511 that you want then press 3 09 09 99 PAIRGAIN TECHNOLOGIES 03 36 55 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 BRIDGE MENU LAN LINK STATUS UP 1 BRIDGE A...

Страница 36: ...equiring the processor to search only one bucket or a maximum of eight addresses 1 From the Bridge Menu type to display the Source Address Database Menu 4 08 12 99 PAIRGAIN TECHNOLOGIES 03 45 44 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 SOURCE ADDRESS DATABASE MENU 1 READ ALL VALID MAC ENTRIES 4 CREATE STATIC MAC ADDRESS ENTRY 2 READ ENTRY BY MAC ADDRESS 5 DELETE STATIC MAC ADDRESS ENTRY 3 READ BUCK...

Страница 37: ...ew a Bridge Address Table entry by MAC address a Type to select Read Entry by MAC Address The message displays Please enter MAC Address aa bb cc dd ee ff b Type the MAC address then press 4 To view all the entries in a specific bucket a Type to select Read Bucket The message displays Please enter bucket number b Type the desired bucket number then press Column Description TYPE Indicates the method...

Страница 38: ... data in the current bucket or type to Display All Static MAC Address Entries 7 To view all Bridge Address Table static MAC entries a Type to select Display All Static MAC Entries The message displays Searching Database Eight entries that result from the search display The bucket number indicates the last bucket searched The message displays Press C to Continue Searching b Type to display the next...

Страница 39: ...ORING ADSL STATUS From the Main Menu page 11 type to display the ADSL Menu From this menu you can select items 1 through 4 to provide status on the ADSL link as described in the following sections 2 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU R ADSL MEGABIT MODEM TERMINAL v 1 0 ADSL MENU 1 ADSL PERFORMANCE STATUS 2 24 HOUR ADSL PERFORMANCE HISTORY 3 7 DAY ADSL PERFORMANCE HISTORY 4 ADSL ALARM HIST...

Страница 40: ...our data collection period On the ADSL Menu page 31 type to display the ADSL Performance Status screen Type to clear the ADSL performance and alarm counters in both the Megabit Modem 310F and 320F See the table on page 33 for a definition of each status field 1 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU R ADSL MEGABIT MODEM TERMINAL v 1 0 ADSL PERFORMANCE STATUS DOWN ALARMS NONE UP ALARMS NONE SY...

Страница 41: ...king messages DATA Link is up and data can be transferred SNR Margin dB Identifies the current cur and minimum min margin values for the ADSL loop for the current 24 hour period See Reach Data Rate SNR Margin and Noise Environment on page 48 for information on SNR margin and BER Line Attn dB Indicates the line attenuation for the upstream and downstream ADSL channels Line attenuation is the decrea...

Страница 42: ...minimum SNR for the period is reset to the current SNR The 24 Hour ADSL Performance History data is lost when the modem is turned off 2 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU R ADSL MEGABIT MODEM TERMINAL v 1 0 24 HOUR ADSL PERFORMANCE HISTORY errored seconds unavailable seconds snr DOWNSTREAM UPSTREAM 02 45 000 000 15 5 000 000 3 9 02 30 000 000 16 0 000 000 3 9 02 30 000 000 NA 000 000 NA 0...

Страница 43: ...n To clear all ES and UAS counts including the equivalent counts in the remote unit type The minimum SNR for the period is reset to the current SNR The 7 Day ADSL Performance History data is lost when the modem is turned off 3 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU R ADSL MEGABIT MODEM TERMINAL v 1 0 7 DAY ADSL PERFORMANCE HISTORY errored seconds unavailable seconds snr DOWNSTREAM UPSTREAM 01...

Страница 44: ...ADSL Alarm History screen Type to clear the first and last date time stamps The Alarm History data is lost when the Megabit Modem 310F is turned off 4 07 20 99 PAIRGAIN TECHNOLOGIES 03 25 24 ATU R ADSL MEGABIT MODEM TERMINAL v 1 0 ADSL ALARM HISTORY Type First Last Curr Time s LOF DOWN OK LOF UP OK MARGIN DOWN OK MARGIN UP OK ES DOWN OK ES UP OK SES DOWN OK SES UP OK LOS DOWN OK LOS UP OK SELFTEST...

Страница 45: ... and ADSL link alarms LOF Loss of frame failure MARGIN Low SNR margin alarm ES Errored seconds SES Severely errored seconds LOS Loss of signal SELFTEST Whether the self test was successful or not LAST CLEARED The time the screen was last cleared First Lists the first time an alarm is detected Last Lists the last time an alarm was detected Current Identifies the current status of the alarm Time s L...

Страница 46: ... disruptive monitoring of system performance The display is updated every second 1 From the Main Menu page 11 type to open the Bridge Menu 2 08 12 99 PAIRGAIN TECHNOLOGIES 00 15 45 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 BRIDGE MENU LAN LINK STATUS UP 1 BRIDGE AGING TIME 300 SECONDS 2 BRIDGE RESET 3 BRIDGE STATISTICS MENU 4 SOURCE ADDRESS DATABASE MENU M ain ENTER CHOICE ...

Страница 47: ...02 32 ATU C ADSL MEGABIT MODEM TERMINAL v 1 0 BRIDGE STATISTICS MENU LAN PORT WAN PORT BRIDGE RX BYTES 252436 RX BYTES 0 ENTRIES LEARNED 20 RX FRAMES 1476 RX FRAMES 0 ENTRIES NOT LEARNED 0 RX MCASTS 922 RX DISCARDS 0 LAN FILTERED FRAMES 99 RX DISCARDS 1186 RX ERRORS 0 RX ERRORS 0 RX BIG 0 RX SMALL 0 RX BIG 0 TX BYTES 0 TX BYTES 0 TX FRAMES 0 TX FRAMES 0 TX MCASTS 0 TX EX COLS 0 R eturn M ain C lea...

Страница 48: ...ived that exceed the Maximum Transmit Unit size of 1518 bytes Tx Bytes The number of bytes transmitted Tx Frames The number of frames transmitted Tx MCASTS The number of multicast frames transmitted Tx Ex Cols The number of excessive collision events that have occurred frame dropped because of 16 consecutive collisions TX Discards The number of frames dropped due to a buffer overflow Entries Learn...

Страница 49: ... ADC 150 part number for the modem Software Rev The version number of the software that is installed on the modem PROM Checksum The number that is used to verify that the compiled code is valid History Day in Operation The number of days that the modem has been in operation The number of days is stored in non volatile memory and retained even when the modem is power off and on again The day increm...

Страница 50: ...Displaying System Information 42 Megabit Modem 310F and 320F User Manual ...

Страница 51: ... full DMT rate and filtering performance is at full Ethernet rate of 14 kpps for 64 byte frames minimum size Neither the Megabit Modem 310F nor 320F support the Spanning Tree protocol Therefore the modems cannot be used to provide link redundancy to a LAN segment DATA ENCAPSULATION Data transmitted over the ADSL link comprises HDLC encapsulated Ethernet MAC frames as shown in the figure below One ...

Страница 52: ...e 10 Mbps Preamble 8 bytes CRC 4 bytes Interframe gap 9 60E 06 s xDSL Flags 1 byte FCS 2 bytes Protocol 2 bytes Overhead Frame 5 bytes Additional bits 1 bit Bit stuffing min min max Frame Size da sa lt data crc bytes xDSL Data Rate 7040 kbps 6400 kbps 3200 kbps 1536 kbps 896 kbps 768 kbps 384 kbps 64 kbps 64 13 512 5 12 284 1 6 142 0 2 948 2 1 719 8 1 474 1 737 0 122 8 128 6 815 1 6 195 5 3 097 8 ...

Страница 53: ... lt data crc bytes xDSL Data Rate 7040 kbps 6400 kbps 3200 kbps 1536 kbps 896 kbps 768 kbps 384 kbps 64 kbps 64 0 074 0 081 0 163 0 339 0 581 0 678 1 357 8 141 128 0 147 0 161 0 323 0 673 1 153 1 345 2 690 16 141 512 0 583 0 641 1 283 2 673 4 581 5 345 10 690 64 141 1024 1 165 1 281 2 563 5 339 9 153 10 678 21 357 128 141 1518 1 726 1 899 3 798 7 912 13 564 15 824 31 648 189 891 ...

Страница 54: ...CS 2 bytes Protocol 2 bytes Overhead Frame 5 bytes Additional bits 0 bits Bit stuffing max min max Frame Size da sa lt data crc bytes xDSL Data Rate 7040 kbps 6400 kbps 3200 kbps 1536 kbps 896 kbps 768 kbps 384 kbps 64 kbps 64 11 318 3 10 289 4 5 144 7 2 469 5 1 440 5 1 234 7 617 4 102 9 128 5 695 8 5 178 0 2 589 0 1 242 7 724 9 621 4 310 7 51 8 512 1 430 0 1 300 0 650 0 312 0 182 0 156 0 78 0 13 ...

Страница 55: ...amount of degradation in SNR that the system can tolerate under the current conditions and still achieve a 10 7 BER A margin of 6 dB for example would mean that the SNR can degrade by 6 dB and still provide a performance of 10 7 BER The Megabit Modem 310F and 320F have a margin configuration option that defaults to 4 dB but may be set anywhere between 0 to 15 dB Reach is the longest loop length th...

Страница 56: ...been reset Reach Data Rate SNR Margin and Noise Environment The maximum transmission rate of the Megabit Modem 310F and 320F is determined by distance SNR margin and the condition of the line wire gauge condition noise environment The figure on page 49 shows the relationship between reach and data rate for a given set of conditions The plots can be used to determine the achievable reach at a given...

Страница 57: ...in environment and test setup ADC does not guarantee performance to the figures shown Tomcat RT CO AFE Upstream Start Up Margin Tomcat RT CO AFE Downstream Start Up Margin 0 100 200 300 400 500 600 700 800 900 1000 8000 7000 6000 5000 4000 3000 2000 1000 0 Data Capacity kbps Data Capacity kbps 0 0 2000 2000 4000 4000 6000 6000 8000 8000 10000 10000 12000 12000 14000 14000 16000 16000 Length 26 AWG...

Страница 58: ...setting Setting the margin high allows for a cushion against changing line conditions and impulse noise Setting the margin low provides less protection but allows the modems to come up at a higher data rate if in rate adaptive mode or at a longer loop length if in fixed data rate mode The default setting of 3 dB is recommended and provides an overall BER better than 10 10 Reducing the setting to 0...

Страница 59: ...e Transmit Signal Power up to 23 dBm Connector RJ 11 Connector 8 pin modular 10BASE T Bandwidth Filtering 14 Kpps 64 byte packets both directions Address Learning 8 192 MAC addresses with aging Encapsulation Format HDLC Bridging IEEE 802 1d transparent with learning on the LAN port only Height 1 25 in 3 175 cm Width 6 75 in 17 15 cm Depth 5 5 in 14 0 cm Weight 1 38 lb 0 63 kg ...

Страница 60: ...o 95 non condensing Operating Altitude 200 to 13 000 ft 61 to 3962 meters Electromagnetic Emissions Per FCC Part 15 Class B Storage Temperature 40 to 158 F 40 to 70 C Storage Altitude 1 000 to 30 000 ft 305 to 9 144 meters Type RS 232C RJ 45 Data Rate Autobaud from 2400 to 19 200 baud Hardware Flow Control Not Supported Emissions and Immunity Compliance FCC Part 15 Subpart B Class B CENELEC ETSI I...

Страница 61: ...gnments for the RJ 11 DSL connector The following table shows connector pin assignments for the 8 pin10BASE T Ethernet connector The connector is MDI X Pin Signal 1 Not Used 2 Not Used 3 ADSL Ring 4 ADSL Tip 5 Not Used 6 Not Used MDI Pin MDI X Pin Signal Description 1 3 TD Transmit Data 2 6 TD Transmit Data 3 1 RD Receive Data 4 4 5 5 6 2 RD Receive Data 7 7 8 8 ...

Страница 62: ...s connector pin assignments for the 8 pin RS 232 port connector Pin Signal Signal Direction 1 Not Used 2 Receive Data RD Modem to terminal 3 Transmit Data TD Terminal to modem 4 Data Terminal Ready DTR Terminal to modem 5 DGND 6 Data Set Ready DSR Modem to terminal 7 Not Used 8 Not Used ...

Страница 63: ...g Network Monitoring upstream or downstream Power Monitoring and Remote Surveillance Service Maintenance Agreements Systems Operation ADC Technical Assistance Center 800 638 0031 714 730 3222 Fax 714 730 2400 Email wsd_support adc com Technical Information System Network Configuration Product Specification and Application Training product specific Installation and Operation Assistance Troubleshoot...

Страница 64: ...be free from material defects under normal use ADC will replace defective media at no charge if it is returned to ADC during the 30 day warranty period along with proof of the date of shipment The transportation charges for shipment of returned products to ADC will be prepaid by the Buyer ADC will pay transportation charges for shipment of replacement products to Buyer unless no trouble is found N...

Страница 65: ... as a zero or a one Bridge A two port internetworking device that selectively filters or forwards traffic based or MAC addresses Bridged A pair of wires connected in parallel across a single line to form a T Tap configuration Downstream The direction of data reception from the Megabit Modem 310F to the Megabit Modem 320F Ethernet A baseband LAN specification that has become a series of standards p...

Страница 66: ... Megabits per second 1 000 000 bits per second MDI Media Dependent Interface MDI X Media Dependent Interface cross over NVRAM Non volatile RAM Port An I O interface A point at which signals may be introduced or extracted in a similar manner POTS Plain Old Telephone Service RAM Random Access Memory RFC Request for Comment SNR Signal to Noise ratio Telecommuter A person who performs work at home whi...

Страница 67: ......

Страница 68: ...fication Inc REGISTERED FIRM ISO 9001 TL 9000 ADC DSL Systems Inc 14402 Franklin Avenue Tustin CA 92780 7013 Tel 714 832 9922 Fax 714 832 9924 Technical Assistance Tel 800 638 0031 Fax 714 730 3222 4K 2W 1220432 ...

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