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ADC 310F - page 1
Catalog Numb er MMD4067I2 Issu e 2 M EGABIT M ODEM 310F AND 320F U SER M ANUAL ...
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ADC 310F - page 2
ii Megabit Mod em 310F and 32 0F User Man ual Copyright June 11, 20 02 ©2002 ADC DSL Syste ms, Inc. All rights reserved. Info rma tion co nt aine d in this do cume nt is comp an y private to ADC DSL Systems, Inc. , and shall not be modified, used, copie d, reproduc ed or disclo sed in whole or in p art without written consent of A DC. Tradem ark I ...
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ADC 310F - page 3
Abo ut Th is Man ual Megabit Mod em 310F and 32 0F User Man ual iii A BOUT T HIS M ANUAL This manual is intended to help a networ k adm inistrator install and conf igure the ADC ® Megabit Modem 310F and 320F for use in a private n etwork environmen t. It includes: • a summary of th e modem features and suggested applications • instructions for ...
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ADC 310F - page 4
Prod u c t Cer t ific a t ion s iv Megabit Mod em 310F and 32 0F User Man ual However, there is n o guarantee that interference will not occur in a particular installati on. If this equipment does cau se harmful interference to radio or television reception, which can b e determined by turning the equipment off and on, the user is e ncouraged to tr ...
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ADC 310F - page 5
Tabl e of Con t e nts Megabit Mod em 310F and 32 0F Use r Man ual v T ABLE OF C ONTENTS Chapter 1: Megabit Modem 310 F and 320F Features and Applications ..... ................. ..... 1 Features ................ ........... ........... ................. ........... ................. ............ ........... ............. .... ..... 1 Applications . ...
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ADC 310F - page 6
Tab le of Cont ents vi Megabit Mod em 310F and 32 0F User Man ual Configurin g ADSL Service ................... ........... ................. ............ ........... ................. ........ 20 Configuring the Startup Settings .............. ........... ................. ............ ........... ........ 21 Configuring Data R ates .............. ...
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ADC 310F - page 7
Tabl e of Con t e nts Megabit Mod em 310F and 32 0F Use r Man ual vii Rate Adaptive Trans mission ....................... ........... ............ ................. ........... ................. ... 47 Rate Adaptation ................. ........... ................. ........... ............ ................. ........... ... 48 Reach, Data Rate, SNR ...
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Tab le of Cont ents viii Megabit Mod em 310F and 32 0F User Man ual ...
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Megabit Mod em 310F and 32 0F Use r Man ual 1 1 M EGABIT M ODEM 310F AND 320F F EATU RES AND A PPLICATIONS The ADC ® Megabit Modem ® 310F a nd 320F u se As ymm etric Digi tal Subsc riber Line (AD SL) technology to pr ovide a multi -m egabit connection between the tw o mode ms using a single-pai r teleph one line. The Megabi t Modem 310F and 320F ...
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ADC 310F - page 10
Applic ations 2 Mega bit Modem 310F and 32 0F U ser Manual A PPLICATION S Use the Megabit Mod em 310F and 320 F for: • remote access to private networks, for example telecommu ting • point-to-point LAN extension, for exam ple connecting multiple users at a satellite office to a corporate office LAN Home office 320F Modem 320F Modem Ethernet LAN ...
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ADC 310F - page 11
Megabit Mod em 310F and 32 0F User Man ual 3 2 I NSTALLING THE M EGABIT M ODEM 310F AND 320F Install a Megabit Modem 3 10F (ATU-C) at one en d of a circuit and a Mega bit Modem 320 F at the other end (ATU-R) , using th e pro cedures described in these sections : U NPAC KING AN D I NSPECTING THE S HIPMENT The shipping carton contains the Megabit Mod ...
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ADC 310F - page 12
Attac hing t he Feet 4 Mega bit Modem 31 0F and 32 0F User Man ual The shipping carton also contains the items describ e d in th e follo win g table. A TTACHIN G THE F EET Attach four adhe sive-backed ru bber feet to the foo tprint recesses on the bottom of the m odem. Item Functio n Black ca ble Connect s the mod em Eth ernet port t o a PC NI C us ...
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ADC 310F - page 13
Chapter 2: Installing t he M egabit Mo de m 310F and 320F Megabit Mod em 310F and 32 0F User Man ual 5 I DENT IFYING T HE C ONNEC TORS All external connectors are locat ed on the Megabit Modem 310F and 32 0F rear panel . This section descri bes the Megabit Modem 310F and 320F r ear panel components. Compon ent F unctio n 10BASE -T MDI-X port RJ-45 ...
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ADC 310F - page 14
Installing th e Ca bling 6 Mega bit Modem 31 0F and 32 0F User Man ual I NSTALLIN G THE C ABLI NG Use the provided cab les as follows: • black cable or y ellow cable—connect to 10BASE-T por t for Ethernet LAN connection • gray ADSL cable—connect to DSL p ort for ADSL connect ion • power supply—connect to power connec tor See “Connecto ...
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ADC 310F - page 15
Chapter 2: Installing t he M egabit Mo de m 310F and 320F Megabit Mod em 310F and 32 0F User Man ual 7 I DENT IFYING LED S The f ront pan els f or bo th th e Meg abit Mode m 3 10F and 320F contain LEDs that indicate power and data transmissio n status. The following illust rations describe the fron t panel LEDs. LAN ADSL MEGABIT MODEM 320F LINK TX ...
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ADC 310F - page 16
Power ing U p an d Chec king LEDs 8 Mega bit Modem 31 0F and 32 0F User Man ual Powering Up and Checking LEDs Once you hav e completed the st eps described in th e previous sections for both th e Megabit Modem 310F an d 320F, you ar e ready to power up each mo dem. 1 Plug the Megabit Modem 310F power supply into the facili ty power an d ensure t he ...
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ADC 310F - page 17
Megabit Mod em 310F and 32 0F Use r Man ual 9 3 P REPARING FOR C ONFI GURATI ON AND M ANAGEMEN T You configure the Megabit Modem 310F and 320F u sing an ASCII terminal or PC running a terminal emulation pro gram. This chap ter pr ovides the set up procedures . C ONNECTIN G A T ERMINAL Connect the modem to an ASCII terminal or PC running a terminal ...
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ADC 310F - page 18
Config ur ing the Termina l 10 Mega bit Modem 310F and 320F U ser Man ual C ONFI GURING THE T ERMINAL Whether you are using an ASCII terminal or PC running a terminal emulatio n program, s uch as Hyperterminal, you must configure the comm unicatio n settings as indicated in this secti on, including designatin g the conn ectio n type and communicati ...
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ADC 310F - page 19
Chapte r 3: Preparing for Config urat ion and Manag ement Megabit Mod em 310F and 32 0F Use r Man ual 11 2 If you h ave customi zed your p assword, t ype the p assword at the passw ord prompt . Otherwise, press which is the factory default pa ssword. (See “Changing the Logon Passw o rd ” on p age 1 7 to customize you r password.) The Main Me nu ...
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ADC 310F - page 20
Logging On and Navigating the Interface 12 Mega bit Modem 310F and 320F U ser Man ual Logging On to the Remote Modem From the Megabit Modem 310F (ATU-C), you can log on to the Megabit Mo dem 3 20F (ATU-R) to view system p arameters and set configuratio n options in one of the following ways: • From the Main Men u on t h e AT U-C, t ype and th e A ...
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ADC 310F - page 21
Chapte r 3: Prep aring for Config urat ion and Manag ement Megabit Mod em 310F and 32 0F Use r Man ual 13 Navigating the Interface The following illustration shows the Megab it Modem 310 F and 320F management interface structure. Select a menu op tion by typing the number that pre cedes it. Main Menu Logon System Menu ADSL Menu Bridge Menu Remote L ...
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ADC 310F - page 22
Logging Off 14 Mega bit Modem 310F and 320F U ser Man ual The following table s hows the keyboard functions used to nav igate the managem ent interface and to select menu opt ions. You c o nfig ure Meg abit Mod e m 310F and 320F par ame ters i n two w a ys: • Toggle among predefined s ettings: 1 Type the num ber preceding a parameter to select it ...
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ADC 310F - page 23
Megabit Mod em 310F and 32 0F Use r Man ual 15 4 C ONFIGURI NG THE M ODEMS Configure the Megabit Modem 310F and 320F u sing an A SCII terminal or PC runnin g a terminal emulation pro gram connected to the R S-232 port. S ETTING S YSTEM C ONFI GURA TIONS From t he System Configura tion menu, yo u can set the system time and date, change the password ...
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ADC 310F - page 24
Setting Syst em Configurat ions 16 Mega bit Modem 310F and 320F U ser Man ual 2 Type to display the System Co nfigura tion menu. Changing the System Time 1 From the Sy stem Con figura tion menu, type to select Chan ge Sys tem Tim e . The follo wing message di splays: Please enter a new time: HH:MM:SS 2 At th e syst e m pro mpt, type t h e new tim e ...
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ADC 310F - page 25
Chapter 4: Configuring t he M odems Megabit Mod em 310F and 32 0F Use r Man ual 17 Changing the Logon Password 1 From the Sy stem Con figura tion menu ( page 16 ), type to select Change Pas swor d . The following message d isplays: Creating user password, press ENTER 2 Press . The follo wing pr ompt disp lays: Please enter the new password 3 At th ...
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ADC 310F - page 26
Setting Syst em Configurat ions 18 Mega bit Modem 310F and 320F U ser Man ual Restoring Factor y Default Settings The following table summ arizes the factory default settings. The procedu re restores all settings to their factory d efaults. 1 From the Sy stem C onfig ura tion menu ( page 16 ), type to select Factor y Defaul t Con figura tion . The ...
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ADC 310F - page 27
Chapter 4: Configuring t he M odems Megabit Mod em 310F and 32 0F Use r Man ual 19 3 If you typed to re st ore f actor y def aul t se tti ng s, yo u must press the seve r al times to display the Logon screen. Then, log on to the m odem (s) . Disabling or Enabling the RS-232 Port For the Megabit Modem 320F You can enable o r disable the RS-232 p ort ...
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ADC 310F - page 28
Configuring ADSL Se rvice 20 Mega bit Modem 310F and 320F U ser Man ual C ONFI GURING ADSL S ERVICE This section describes ho w to configu re ADSL data transmission parameters. 1 From the Main Men u ( pag e 11 ) , type to display the ADSL Me nu . 2 From the AD SL Menu , type to display the ADSL Configurati on Menu . You configur e ADSL tr ansceive ...
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ADC 310F - page 29
Chapter 4: Configuring t he M odems Megabit Mod em 310F and 32 0F Use r Man ual 21 Configuring the Startup Settings You configure the Startup Optio n and Startup SNR Margin to establis h how the modem comes up to achieve a tr ansmission rate after a reset (see page 26 for resetting the m odem). Select t he Startup Opt ion 1 From the ADSL Con figura ...
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ADC 310F - page 30
Configuring ADSL Se rvice 22 Mega bit Modem 310F and 320F U ser Man ual Configuring Data Rates You confi gure the mi nimum an d maximum data rate s f or both up stream and do wnstream traff ic. The maximum data rates determine the rate the modem must achieve to come up when the startup option is set to Fixed Rate (see page 21 ). 1 Configure the ups ...
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ADC 310F - page 31
Chapter 4: Configuring t he M odems Megabit Mod em 310F and 32 0F Use r Man ual 23 c Type to select (Min) Down Data Rate . The following message d isplays: Enter valid input d Type a maxi mum down stream data ra te, in kb ps, then pr ess . The valid data rate values ar e increments of 32 between 64 kbps and 7 040 kbps. If you enter a value that is ...
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ADC 310F - page 32
Configuring ADSL Se rvice 24 Mega bit Modem 310F and 320F U ser Man ual Configuring Alarms You can conf igure the se verity of each mode m alarm, or disab le alarms. 1 From the ADSL Con figuratio n Menu ( page 2 0 ), type to select Alarm Config uration . 2 Type to move to the next alarm type until you select the one you wan t to configu re. The fol ...
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ADC 310F - page 33
Chapter 4: Configuring t he M odems Megabit Mod em 310F and 32 0F Use r Man ual 25 Configuring the Interleave Options Use the inter leave option to i ncrease impulse nois e immunity. The delay is in millis econds for both the Up and Down In terleave Options (u pstream and downst ream traffic). 1 From the ADSL Con figuratio n Menu ( p age 20 ), type ...
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ADC 310F - page 34
Configuring ADSL Se rvice 26 Mega bit Modem 310F and 320F U ser Man ual Resetting the ADSL Link After you make any ADSL configurat ion changes, you must reset the ADSL link to activate the new configuration and reestablish the ADSL link . 1 From the AD SL Menu ( page 20 ), type to reset the ADSL link. The follo wing prom pt displa ys: This will bri ...
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ADC 310F - page 35
Chapter 4: Configuring t he M odems Megabit Mod em 310F and 32 0F Use r Man ual 27 C ONFI GURING B RIDGE P ARAMETERS Configure t he Ethernet bridg ing parameters. The LAN mode for the Megabit Modem 310F and 320F is half duplex . 1 On the Main Men u ( page 11 ), type to display the Bridg e Menu . Configuring Bridge Aging Time The Bridge Aging Time d ...
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ADC 310F - page 36
Configur ing Bridge Paramete rs 28 Mega bit Modem 310F and 320F U ser Man ual Configuring the Sour ce A ddress Dat abase The source address database ca n contain up to 8 ,192 entries. Ad dresses can be en tered either automatically throug h address learning on th e LAN po rt, or manually. Each address is mapped to a 10-bit key, which is used to gro ...
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ADC 310F - page 37
Chapter 4: Configuring t he M odems Megabit Mod em 310F and 32 0F Use r Man ual 29 The f ollow ing tab l e des crib es t he da ta dis pla yed on the Sour ce Add ress D ata base Me nu . 2 To view all valid Bridge Add ress Table entries by MAC ad dress: a Type to select Read A ll Valid M AC Entri es . The message displays: Searching Database Eight en ...
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ADC 310F - page 38
Configur ing Bridge Paramete rs 30 Mega bit Modem 310F and 320F U ser Man ual 5 To add a static MAC addr ess to the Bridge Ad dress Table: a Type to select Create Static M AC Ad dress En try . The message displays: Please enter MAC Address (aa:bb:cc:dd:ee:ff) b Type the MAC add ress, then press . c Type to update the data in the current bucket, or ...
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ADC 310F - page 39
Megabit Mod em 310F and 32 0F Use r Man ual 31 5 M ONITORI NG C IRCUI T S TATU S AND D ISPLAYING S YSTEM I NFORMATI ON Monitor ci rcuit st atus for t he Megabit Modem 3 10F and 32 0F using an ASCII terminal or PC running a ter minal emulation progr am, connected to the RS-232 port. M ONITOR ING ADSL S TATU S From the Main Menu ( pa ge 11 ), type to ...
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ADC 310F - page 40
Monitoring A DSL St atus 32 Mega bit Modem 310F and 320F U ser Man ual Monitoring ADSL Performance Status The ADSL Performa nce Statu s screen is updated eve ry second and pr ovides a summary of the current ADSL st atus, including alar ms, for bot h upstream and downstream traffic. The SNR (signal-to-nois e ratio) Margin row displays both th e curr ...
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ADC 310F - page 41
Chapter 5: Monit ori ng Ci rc uit Sta tu s and D isp layi ng Sy stem Informat io n Megabit Mod em 310F and 32 0F Use r Man ual 33 The f ollow ing tab l e des crib es t he da ta dis pla yed on the ADSL Per form ance Status s creen. Field Mea ning Down Alarms Identifies the curren t downst ream alarm s (toward the Mega bit Mode m 320F). Op tions: • ...
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ADC 310F - page 42
Monitoring A DSL St atus 34 Mega bit Modem 310F and 320F U ser Man ual Monitoring 24 Hour ADSL Performance History The 24 Hour A DSL Pe rforma nce H istory report cons is ts of eight s creens. Each screen displays three hours of da t a, in 15-minu te increments. Tog eth er, the eight screen s provide a summary of the 24-hour performan ce history . ...
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ADC 310F - page 43
Chapter 5: Monit ori ng Ci rc uit Sta tu s and D isp layi ng Sy stem Informat io n Megabit Mod em 310F and 32 0F Use r Man ual 35 Monitoring 7 Day ADSL Performance History The 7 Day ADSL Perfo rman ce Histor y menu d isplays the ES and UAS counts, and the minimum SNR margi ns for the current da y and th e pre vio us six days. Eac h d ay b e gins at ...
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ADC 310F - page 44
Monitoring A DSL St atus 36 Mega bit Modem 310F and 320F U ser Man ual Monitoring ADSL Alarm History The ADSL Alarm Histor y screen displays the current status and f irst and last occur rence of each ADSL alarm type. From the AD SL Menu ( page 31 ), type on the ADSL Menu to open the ADSL Alarm His tory screen. Type to clear the first and last date/ ...
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ADC 310F - page 45
Chapter 5: Monit ori ng Ci rc uit Sta tu s and D isp layi ng Sy stem Informat io n Megabit Mod em 310F and 32 0F Use r Man ual 37 The following table describes the informatio n disp layed on the ADSL Alarm History s creen. Name Description Type Identi fies loc al, remo te, a nd ADSL link alarms: • LOF: Loss of fra me failu re • MARGIN: L ow SNR ...
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ADC 310F - page 46
Monitoring E th erne t Brid ge Statistics 38 Mega bit Modem 310F and 320F U ser Man ual M ONITOR ING E THERNE T B RID GE S TA TIS TIC S The Megabit Modem 310F and 3 20F provid e real-time, non-disrup tive mo nitoring of system performance. The display is updated every s econd. 1 From the Main Men u ( page 11 ), type to open the Bridg e Menu . 2 08/ ...
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ADC 310F - page 47
Chapter 5: Monit ori ng Ci rc uit Sta tu s and D isp layi ng Sy stem Informat io n Megabit Mod em 310F and 32 0F Use r Man ual 39 2 From the Bri dge Me nu , type to open the Bridge Statis tics Menu . 3 08/12/99 PAIRGAIN TECHNOLOGIES 00:02:32 ATU-C ADSL MEGABIT MODEM TERMINAL v 1.0 BRIDGE STATISTICS MENU LAN PORT WAN PORT BRIDGE RX BYTES 252436 RX B ...
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ADC 310F - page 48
Monitoring E th erne t Brid ge Statistics 40 Mega bit Modem 310F and 320F U ser Man ual The f oll ow ing tab le de s crib es the d ata di spl ayed on t h e Bridge St atisti cs Me nu . Field Defin ition Rx Byt es T he numb er of bytes received . Rx Frames The numb er of frames rec eived. Rx MCASTS The numb er of multic ast frames rec eived. Rx Error ...
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ADC 310F - page 49
Chapter 5: Monit ori ng Ci rc uit Sta tu s and D isp layi ng Sy stem Informat io n Megabit Mod em 310F and 32 0F Use r Man ual 41 D ISPLAYING S YSTEM I NF ORMATI ON The System I nform ation sc reen provides gener al product infor mation, such as hardware s erial numb ers an d softw are r e visio n numb e rs. 1 From the Main Men u ( page 11 ), type ...
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ADC 310F - page 50
Displaying System Inf ormat io n 42 Mega bit Modem 310F and 320F U ser Man ual ...
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ADC 310F - page 51
Megabit Mod em 310F and 32 0F Use r Man ual 43 A A BOUT THE T ECHN OLOGY This appendix provides more information about the bridging and ADSL transmiss ion features of th e Mega b it M o dem 3 10F a nd 320 F. MAC L AYER B RIDGING A bridge moves information acros s an internetwo rk from a source to a destination at the link layer (o f an OS I refer e ...
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ADC 310F - page 52
Etherne t Fr am e Rat es 44 Mega bit Modem 310F and 320F U ser Man ual E THE RNE T F RAME R ATES The following s ections show Ethernet m aximu m frame transmiss ion rat es, dependent on the additional bit and bit stuffing set for the xDSL transmissio n. Minimum xDSL Bit Stuffing, One Additional Bit The values in the table below show the fra mes per ...
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ADC 310F - page 53
Appen di x A: Abou t th e Te ch nology Megabit Mod em 310F and 32 0F Use r Man ual 45 The values in the table below show the minimum xDSL transmiss ion time in milliseconds (ms). Fram e Siz e (da:sa :lt:d ata:crc ) [bytes] xDSL D ata Rate 7040 kbps 6400 kbps 3200 kbps 1536 kbps 896 kbp s 768 kbps 38 4 kbps 64 kb ps 64 0.07 4 0.081 0. 163 0.339 0.58 ...
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ADC 310F - page 54
Etherne t Fr am e Rat es 46 Mega bit Modem 310F and 320F U ser Man ual Maximum xDSL Bit Stuffing, Zero Additional Bits The values in the table below show the fra mes per second fo r the maximum xDSL rate. Ethe rnet Data rate 10 Mbps Preambl e 8 bytes CRC 4 bytes Interframe ga p 9.60 E-06 s xDSL Flags 1 byte FCS 2 bytes Protoc ol 2 bytes Overhead/ F ...
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ADC 310F - page 55
Appen di x A: Abou t th e Te ch nology Megabit Mod em 310F and 32 0F Use r Man ual 47 The values in the table below show the minimum xDSL transmiss ion time in milliseconds (ms). R ATE A DAPTIVE T RA NSMISSION The following definitions are useful for understanding the operation of the Megabit Mo dem: • Bit Error R ate (BER) is the ratio of receiv ...
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ADC 310F - page 56
Rate Ad apt iv e Tran smission 48 Mega bit Modem 310F and 320F U ser Man ual Rate Adaptation With ADC's rate adaptive tech nolo gy, the Megabit Modem 310F and 320 F can autom atically adjust to the fas test speed possible, given th e transmission distance and line cond itions. Or, you can set the modem to a specific rate. The available data ra ...
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ADC 310F - page 57
Appen di x A: Abou t th e Te ch nology Megabit Mod em 310F and 32 0F Use r Man ual 49 The reach tables abov e are for a nois eless environment. The performa nce sho wn is typical fo r ADC Megabi t Modem products. Due to variations in environ ment and test setup, ADC does not guarantee performance to the figures shown. T omcat RT & CO-AFE Upstre ...
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ADC 310F - page 58
Rate Ad apt iv e Tran smission 50 Mega bit Modem 310F and 320F U ser Man ual You can conf igure th e Megabit Modem 310 F and 320F startup margin settin g. This set ting defaults to 4 dB but may be set from 0 - 15 dB. The modems will attempt to come u p at the programmed m argin setting. Setting th e margin high allows for a cushion against changing ...
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ADC 310F - page 59
Megabit Mod em 310F and 32 0F Use r Man ual 51 B T ECHN ICAL S PECIFICA TIONS AND C ONNE CTOR P INOUTS T ECHNIC AL S PECIFICATI ONS ADSL Line Ethern et Port Physical Signal Format DMT Line Code Transm it S ignal Po wer up to 23 dBm Connector R J-11 Connect or 8-pin modu l ar, 10BAS E-T Bandwidth Filterin g 14 Kpps ( 64-byte p ackets, bot h directio ...
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ADC 310F - page 60
Compli ance 52 Mega bit Modem 310F and 320F U ser Man ual Elec tric al Environmen tal ASCII Term inal Ma inten ance Port C OMPLIANCE Power Inp ut 100 to 240 Vac, 50-60 Hz Power Dissi pati on Megabit Modem 32 0F (ATU-R) 3 W Megabit Modem 31 0F (ATU-C) 4 W Operating Temperature +32 to +122 °F ( 0 to 50 °C) Relative Humidity 0 to 95% non-co ndensing ...
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ADC 310F - page 61
Append ix B: Techn ical Spec if i cat io ns and Connec to r Pi nout s Megabit Mod em 310F and 32 0F Use r Man ual 53 C ONNECTOR P INOUTS The following table sho ws connector pin assign ments for the R J-11 DSL connector. The following table sho ws connector pin as si gnments for the 8-pi n10BASE- T Ethernet connector. The con nector is MDI-X. Pin S ...
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ADC 310F - page 62
Connect or Pi nouts 54 Mega bit Modem 310F and 320F U ser Man ual The following table s hows connector pin assi gn ment s f or th e 8-p in RS -232 por t conn ector . Pin Signal Signal Di rection 1N o t U s e d - 2 Recei ve Data (RD) Modem to termi nal 3 Transmit Data (TD) Terminal to mode m 4 Dat a Terminal Ready (DTR) Termina l to modem 5D G N D - ...
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ADC 310F - page 63
Megabit Mod em 310F and 32 0F Use r Man ual 55 C C ONTAC TING ADC ADC Customer Service Group provides expert pre-sales and p ost-sales support and training f or all its products. Technical supp ort is available 24 hou rs a day, 7 days a week b y con tactin g the ADC Technical Assistance Ce nter (TAC). Sale s Assist ance 800. 366.38 91 e xtens ion 7 ...
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ADC 310F - page 64
Limited Warranty 56 Mega bit Modem 310F and 320F U ser Man ual L IMI TED W ARRANTY ADC DSL Systems, In c. (“ADC”) warrants that, for a peri od of 12 months from the date of shipment, the hardware portion of its products will be free of material d e fect s and f ault y workmanship, und er normal use. ADC's obligation, under this warranty, i ...
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ADC 310F - page 65
Megabit Mod em 310F and 32 0F Use r Man ual 57 D G LOSS ARY The Glossary def ines technical terms and abb reviations used in th is manual. ADSL As ymmetric D igita l Subscriber Li ne. A metho d of transmi tting at different down stream and upstream speed s. Asymmetric Transmis sion Transmiss ion which sends data at di fferent rates in each directi ...
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ADC 310F - page 66
58 Mega bit Modem 310F and 320F U ser Man ual Line cod e Any method of convert ing digit al info rmation to analog form f or transmis sion on a communi cation l ine. Link Another term used for transmission line. MAC Media Access Control. Associa ted with Laye r 2 or the Data Li nk Layer of the ISO 7-layer prot ocol mod el. Margin An ADS L parameter ...
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ADC 310F - page 67
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ADC 310F - page 68
DNV C ertific ation, I nc. REGISTERED FIRM IS O 9001/TL 9000 ADC DSL System s, Inc. 14402 F ranklin A venue Tustin , CA 92780 -7013 Tel: 71 4.832.9922 Fax: 714.83 2.9924 Tech nical As si stanc e Tel: 80 0.638.0031 Fax: 714.73 0.3222 ´,4K¶2W¨ 1220432 ...
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