Manuale d’uso / di manutenzione del prodotto 8784 del fabbricante Paradyne
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Hotwire ® 8784 TDM SDSL T ermination Unit with DSX-1 Interface User’ s Guide Docume nt No. 8784-A2-G B 2 0-30 F ebruar y 2001.
A February 2001 8784-A2-G B20-30 Copyright © 2001 Paradyne Corporation. All ri ght s reserve d. Printed in U .S.A. Notice This pu blicati on is protec ted by f ede ral cop yright la w .
8784-A2-G B20-30 F ebruary 2001 B Important S afety Inst ructions 1. Read a nd fol low all warning noti ces and i nstructions ma rked on t he product or i ncluded in the man ual. 2. Slots an d openings i n the cabine t are provi ded f or venti lation.
C February 2001 8784-A2-G B20-30 EMI Notices UNITED ST A TES – EMI NO TICE: This equi pment has b een tested and found to comply w ith the limits for a Class A digital de vice, pursua nt to P art 15 of the FCC rules.
8784-A2-G B20-30 F ebruary 2001 i Contents About This Guide Document Purpose and Intende d Audien ce . . . . . . . . . . . . . . . . . . . . v Document Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Product- Related Doc uments .
Conten ts ii February 2001 8784-A2-G B20-30 3 Initial Startup and Configuration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Entering Id entity Info rmation . . . . . . . . . . . . . . . . .
Contents 8784-A2-G B20-30 F ebruary 2001 iii 5T e s t i n g Accessing the Test Men u . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Running Ne twork Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conten ts iv February 2001 8784-A2-G B20-30 A Configuration Options Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Network I nterface Op tions . . . . . . . . . . . . . . . . . . . . . . . . .
8784-A2-G B20-30 F ebruary 2001 v About Th is Guide Document Purpose and Intended A udie nce This guid e cont ains infor matio n needed to set up, configu re, and operate the 2-por t Hotwir e 8784 Time Division Multip le xer Symmetr ic Di gital Sub scr iber Li ne (TDM S DSL) T er min ation U nit, an d is inte nded for insta llers and operators.
Abou t T his Gu ide vi Febru ary 2001 8784-A2-GB20-30 Pr oduct-Related Documents Contact your sal es or ser v ice re presentat ive to order add itional p roduct document ation. P aradyne d ocuments are also available on the World Wi de Web at www .parady ne .
8784-A2-G B20-30 F ebruary 2001 1-1 1 About the Hotwir e 8784 T ermination Unit TDM SDSL Overview Hotwire Tim e Divis ion Multi plex er Symm etric Di gital Su bscr iber L ine (TD M SDSL) p roducts maximi ze customer s er vice a reas by varyi ng the DSL l ine rate.
1. Ab out th e H otwi re 878 4 Te rmi nati on Unit 1-2 February 2 001 8784-A2-G B20-30 Hotwir e 8784 T ermination Unit F eatures The 2-por t H otwire 878 4 TDM SDS L T er m inatio n Unit is a circuit .
1. About the Hotwire 8784 Termination U nit 8784-A2-G B20-30 F ebruary 2001 1-3 Network Conf iguration Figure 1-1, Sampl e CO-to-CP Configuration , sh ows a T1 n etwork applica tion using a H otwire 87 84 TDM SDSL T er min ation Unit for access concen tration in a central of fice (CO ).
1. Ab out th e H otwi re 878 4 Te rmi nati on Unit 1-4 February 2 001 8784-A2-G B20-30 SNMP Management Capabilit ies The Hotwi re 8784 T er m ination Un it sup por ts S NMP V ers ion 1, and can be managed by any in dustr y- standard SNMP man ager and acces sed us ing SNMP by extern al SNM P mana ger s.
8784-A2-G B20-30 F ebruary 2001 2-1 2 Using the Asynchr onous T erminal Interface User Interface Access Y ou can communi cate with the as ynchrono us ter min al interface (A TI) using on e of the following metho ds: Direct con nection t hrough the Manag ement Ser ial por t of th e DSLAM ( locally or via an exter nal m odem).
2. Using the Asynchro nous Termina l Interf ace 2-2 February 2 001 8784-A2-G B20-30 Logging In to t he Ho twir e DSLAM Y ou can lo g in to the Hotwire DS LAM syste m using e ither a loc al VT100-c ompati b le te r minal or a rem ote T e lnet c onnectio n.
2. Us ing the Asyn chronous Te rminal Interface 8784-A2-G B20-30 F ebruary 2001 2-3 After you ente r a valid login I D and pa ss word, t he Main Menu app ears. The four branches of the Ma in Menu are as follows: What a ppears o n the scree ns de pends on the: Current configuratio n – How your unit is c urrently configur ed.
2. Using the Asynchro nous Termina l Interf ace 2-4 February 2 001 8784-A2-G B20-30 Menu Hierar c h y The following illu stration s hows the paths to the d iff erent A TI sc reens.
2. Us ing the Asyn chronous Te rminal Interface 8784-A2-G B20-30 F ebruary 2001 2-5 Screen W ork Ar eas There ar e two user wor k areas : Scr een ar ea – This is t he area a bov e the dotted line that p rovides th e menu path, menus, and i nput fiel ds.
2. Using the Asynchro nous Termina l Interf ace 2-6 February 2 001 8784-A2-G B20-30 Na vigating the Screens Y ou can naviga te the scree ns by: Usin g ke yboa rd k e ys Using fun ction ke ys Switchi ng between the two scre en areas K eyboard K eys Use the following keyboard ke ys to n avigate wit hin the sc reen.
2. Us ing the Asyn chronous Te rminal Interface 8784-A2-G B20-30 F ebruary 2001 2-7 The curren t setti ng or value appear s to the r ight of the fiel d name. Y ou can enter informati on into a selected field by: T yp ing in the first lette r(s) of a field value or c ommand .
2. Using the Asynchro nous Termina l Interf ace 2-8 February 2 001 8784-A2-G B20-30 Swit ching B etween Sc reen W ork Areas Select C trl- a to switch between th e two screen ar eas. Proc edure T o ac cess the s creen function a rea below the dotted lin e: 1.
2. Us ing the Asyn chronous Te rminal Interface 8784-A2-G B20-30 F ebruary 2001 2-9 Ending an A TI Session Use the E xit fun ction key from any screen to ter minate th e session . Proc edure T o en d a se ssion wi th the a synchron ous ter m inal inte rface: 1.
2. Using the Asynchro nous Termina l Interf ace 2-10 February 2 001 8784-A2-G B20-30.
8784-A2-G B20-30 F ebruary 2001 3-1 3 Initi al Start up an d Conf ig urati o n Overview This chapter provides in stru ctions on how to access the unit for the fi rst time, configur e it, download fir mware, disable or re set the A utoRate f e ature, restore access to the A TI, and rese t the un it.
3. Initia l Startup an d Configura tion 3-2 February 2 001 8784-A2-G B20-30 Entering Identity Information After ac cessi ng the unit f or the first tim e, use the Chan ge Ident ity scree n to deter mine S NMP ad ministrative syste m information that will be displ a yed on the Identity sc reen.
3. Init ial Startup and Conf igu rati on 8784-A2-G B20-30 F ebruary 2001 3-3 Proc edure T o c hange Iden tity informat ion: 1. P ositio n the cur sor in t he Syste m Name field. Ent er a name uniqu e in your network to ide ntify the SNMP mana ged nod e (or un it).
3. Initia l Startup an d Configura tion 3-4 February 2 001 8784-A2-G B20-30 Make a selectio n by placing the cu rsor at your cho ice and p ressing Enter . Curr ent and Defa ult F actory Configurations The Confi guration E dit/Displ ay sc reen app ears when the cu rrent or d efault configura tion is l oaded.
3. Init ial Startup and Conf igu rati on 8784-A2-G B20-30 F ebruary 2001 3-5 See Appe ndix A, Configura tion Opti ons , for a list and ex plan ation o f the configura tion op tions available. Conf iguration Loader The Confi guration Lo ader sc reen all ows you to upload config urations to and download configura t ions from a TFTP ser ver .
3. Initia l Startup an d Configura tion 3-6 February 2 001 8784-A2-G B20-30 Proc edure T o up load o r download a config uration: 1. P ositio n the cur sor in t he Image F ile Name field. T ype th e name o f the file to be downloaded, or the na me to be used for the file to be uplo aded.
3. Init ial Startup and Conf igu rati on 8784-A2-G B20-30 F ebruary 2001 3-7 Sa ving Conf iguration Changes When cha nges are made t o the c onfiguratio n optio ns throu gh the C onfiguratio n Edit/D isplay menu, the chang es must be s av ed to take eff ect.
3. Initia l Startup an d Configura tion 3-8 February 2 001 8784-A2-G B20-30 Downloading Firmwar e The Download Code scre en allows y ou to do wnload firmware from a TFTP ser ver . T o ac cess the D ownload Code scree n, follo w t his menu se lecti on se quence: Main M enu → Control → Download Code Proc edure T o downlo ad fir mware : 1.
3. Init ial Startup and Conf igu rati on 8784-A2-G B20-30 F ebruary 2001 3-9 5. P ositio n the cur sor at th e Star t T ra nsf er f ield. U se the sp acebar t o select Y es. Press Enter . When the d ata transfer is co mplete: — If you select ed Y es i n Step 4, the u nit is reset.
3. Initia l Startup an d Configura tion 3-10 February 2 001 8784-A2-G B20-30 A utoRa te F eat ur e The AutoRate feature is desig ned to f ind the bes t rate poss ible f or your DSL loop conditi ons. After the DSL loop is up, configure the unit for a fixed rate.
3. Init ial Startup and Conf igu rati on 8784-A2-G B20-30 F ebruary 2001 3-11 Resetting A utoRate The Res et A utoRat e func tion on the Control m enu causes the unit to repeat th e A utoRate se quenc e.
3. Initia l Startup an d Configura tion 3-12 February 2 001 8784-A2-G B20-30 Resetting the Unit If the user interface is functi onal and you woul d like to reset the u nit wit hout removing it fr om the DSL AM, you can r eset the u nit fr om the Contr ol menu.
8784-A2-G B20-30 F ebruary 2001 4-1 4 Monitoring the Unit What to Monitor This cha pter pre sents inform ation on h ow to access and mo nitor uni t status and perf or mance statis tics on the netw ork.
4. Moni toring the Unit 4-2 February 2 001 8784-A2-G B20-30 V iewi ng System and T est Status T o v iew System an d T est S tatus informati on, follo w this menu s electio n sequenc e: Main M enu → .
4. Moni toring the Unit 8784-A2-G B20-30 F ebruary 2001 4-3 Health and Statu s Messages The following message s app ear in the first col umn of t he Syste m and T est S tatus screen . The highes t pr ior ity Health and St atus mes sage also ap pears o n all A TI screen s on the b ottom r ight.
4. Moni toring the Unit 4-4 February 2 001 8784-A2-G B20-30 Net Com Link Down The Network communication link is down. Comm unicatio ns betw een the man ageme nt system a nd the L TU/NTU is no t possib le. 1. V erify that the network cab le is secu rely attache d at both ends .
4. Moni toring the Unit 8784-A2-G B20-30 F ebruary 2001 4-5 Self-T est Results Me ssages The resul ts of the last p ower-on or rese t self-te st appear in the mi ddle col umn of the Sys tem and T est St atus scr een.
4. Moni toring the Unit 4-6 February 2 001 8784-A2-G B20-30 P erf ormanc e Statistics P erformanc e statis tics ca n assist you in deter mi ning the du ration of s pecif ic conditi ons and pr ovide a his tori cal con text f or pr oblem detectio n and an alysis.
4. Moni toring the Unit 8784-A2-G B20-30 F ebruary 2001 4-7 The following Network Error S tatistic s are coll ected f or the selected por t: ES (Err ored Seconds): Seconds d urin g which one or more ESF error ev ents occurr ed.
4. Moni toring the Unit 4-8 February 2 001 8784-A2-G B20-30 V iewing Network Pe rformance Statistics Network performanc e statistic s allow you to monito r the curr ent status of the network DSL operation s.
4. Moni toring the Unit 8784-A2-G B20-30 F ebruary 2001 4-9 Fields on this screen include This Field . . . Contains . . . Current In ter val Timer The num ber of secon ds which ha ve elapsed in th e current 15-min ute inte r val . Maximu m val ue is 900 se conds (15 minutes ).
4. Moni toring the Unit 4-10 February 2 001 8784-A2-G B20-30 V iewing Current Network P erf ormance The Current Net work P erforman ce Statisti cs screen allows you to monitor selecte d curren t network s tatus and error in f or m ation for both the near- and far-end uni ts from a s ingle sc reen.
4. Moni toring the Unit 8784-A2-G B20-30 F ebruary 2001 4-11 Fields on this sc reen in clude: V iewing DSX-1 Perf ormance Statistics DSX-1 p erf orm ance sta tistics allow you to monitor the cur rent s tatus of th e DSX-1 interface when ESF framing is selected .
4. Moni toring the Unit 4-12 February 2 001 8784-A2-G B20-30 BES (Bur sty Errored Se c onds): Contains the number of bursty errored seconds for the cur rent inter v al. A bursty errore d second is any second wi th more than one but less than 320 CRC errors.
4. Moni toring the Unit 8784-A2-G B20-30 F ebruary 2001 4-13 V iewi ng LED Status The sta tus of the fro nt panel LE Ds can b e viewed loca lly a nd remote ly on the Display LEDs stat us scr een.
4. Moni toring the Unit 4-14 February 2 001 8784-A2-G B20-30 Front P anel LEDs The following table descr ibes the meanin g and stat es of th e LEDs on the f ace plate. T ype LED LED is . . .* Indicating . . . SYSTEM OK (Green) On Off Slow Cycling Puls ing Device failure; sy stem p roces sin g has stopp ed.
8784-A2-G B20-30 F ebruary 2001 5-1 5 Te s t i n g Accessing the T est Me nu F rom the T est menu, you ca n run ne twork tes ts, data por t te sts, a lamp test for the front pan el LED s, or abor t all te sts. T o ac cess the T e st menu, follow this menu sel ection sequenc e: Main M enu → Te s t Select .
5. Tes tin g 5-2 February 2 001 8784-A2-G B20-30 Running Network T ests Network tests requ ire the pa r tic ipation of your network ser vic e provider . T o ac cess the Networ k & DS X-1 T ests sc reen, follow this menu sel ectio n seque nce: Main M enu → Te s t → Network & DSX-1 T ests Use the Command c olumn to s tar t or stop a test.
5. Tes tin g 8784-A2-G B20-30 F ebruary 2001 5-3 Line Loopback A Line Lo opback (LLB) loops the received si gnal o n the networ k inter face back to the networ k withou t change. Proc edure T o r un a L ine Lo opback: 1. P ositio n the cur sor at the S tar t c ommand n e xt t o Line Loop back on the Network & DSX- 1 T es ts screen .
5. Tes tin g 5-4 February 2 001 8784-A2-G B20-30 Repeater Loopback A Repeate r Loo pback (RLB) loo ps the s ignal be ing sent from the DSX-1 por t back to the DSX -1 por t . T1-to-T1 Repeate r Loopback T1-to-V .35 Repeater Loopback Proc edure T o r un a R epeater Lo opback: 1.
5. Tes tin g 8784-A2-G B20-30 F ebruary 2001 5-5 DTE Loopback A DTE L oopback loops th e DSX-1 s ignal b ack to itself before the signal i s sent to the F ra mer . Proc edure T o r un a D TE Loopb ack: 1. P ositio n the cur sor at the S tar t com mand n e xt t o DTE Loopba ck on the Network & DSX- 1 T es ts screen .
5. Tes tin g 5-6 February 2 001 8784-A2-G B20-30 Remote Send Line Loopback The local unit ini tiates thi s test by sendin g a line l oopback Up or Down c ommand to the rem ote unit for 10 se conds. When the re mote unit d etects th e loopb ack Up command, it puts itself in lin e loopback and l ights the front pane l T est LED .
5. Tes tin g 8784-A2-G B20-30 F ebruary 2001 5-7 Send and Monitor 511 The Sen d and M onitor 511 te st ca uses the local and remo te unit s to send a 511 test patter n to eac h other . The front pane l T e st LED s of both u nits a re on dur ing the test.
5. Tes tin g 5-8 February 2 001 8784-A2-G B20-30 De vice T ests The De vice T ests men u lis ts a sin gle , card -le v e l test , th e Lamp T est . T o acce ss the Device T es ts scr een, follow this .
5. Tes tin g 8784-A2-G B20-30 F ebruary 2001 5-9 Ending an Active T est Except f or t he Remote S end Line L oopback, a tes t initiate d by the user can be ended by the us er .
5. Tes tin g 5-10 February 2 001 8784-A2-G B20-30 T elco-Initiated T ests The Hotwi re 8784 T DM SDSL T er min ation Unit suppo r ts T elc o-initiate d tests as sh own in t he foll owi ng ta ble.
5. Tes tin g 8784-A2-G B20-30 F ebruary 2001 5-11 T elco-Initiated Remote Line Loopback If Remot e T elco Loopba ck is enabled, a T e lco-ini tiated li ne loo pback loops received data at t he remote unit and p asses i t back to the T elco throu gh the l ocal unit.
5. Tes tin g 5-12 February 2 001 8784-A2-G B20-30.
8784-A2-G B20-30 F ebruary 2001 6-1 6 Messages and T r oubleshooting Overview There ar e many mess ages availabl e to assess the sta tus of the device and contr ibute to problem res olutions.
6. Mess ages and Tro ubleshoo ting 6-2 February 2 001 8784-A2-G B20-30 Conf iguring SNMP T raps An SNM P trap can be automa tical ly sent out through the E OC or the Man agemen t por t to the SNMP manag er when the ter minatio n unit d etects cond itions s et by the user .
6. Messa ges and Troub leshooti ng 8784-A2-G B20-30 F ebruary 2001 6-3 De vice Messages The De vice Messag e s i n T ab le 6-1, Device Messag es , listed i n alphabeti cal ord er , may appear in the m essag es area at th e bottom of the A TI sc reens.
6. Mess ages and Tro ubleshoo ting 6-4 February 2 001 8784-A2-G B20-30 Limit of six Logi n IDs reac hed An attempt t o enter a ne w login I D was m ade, and th e limit of six login /pass word combi nations has been reache d. 1. Delete a nother login/ pass word combi nation.
6. Messa ges and Troub leshooti ng 8784-A2-G B20-30 F ebruary 2001 6-5 T ro ubleshooting The uni t is desi gned to pr ovide many years of trou ble-free se r vice. Howe ver , i f a problem occur s, ref er t o T able 6-2, T roubleshootin g , f or poss ib le solution s.
6. Mess ages and Tro ubleshoo ting 6-6 February 2 001 8784-A2-G B20-30.
8784-A2-G B20-30 F ebruary 2001 7-1 7 Security Overview The ter mi nation unit provides sev eral method s of s ecur ity by limitin g user a ccess to the A TI th rough option setti ngs. Y ou can: Enable the T e lnet Lo gin Requi red optio n. Limit the acce ss by settin g a Ses sion Acc ess Lev e l option o f Operator f or the T el net Session .
7. Security 7-2 February 2 001 8784-A2-G B20-30 Cr eating a Login Login s apply to T el net acce ss di rectly to the Hotwi re 8784 T er m ination U nit. T he Adminis ter Logi ns menu opti on is not p resented when you acce ss the uni t through the MCC.
7. Security 8784-A2-G B20-30 F ebruary 2001 7-3 3. Create the login by enteri ng the following field s. Login IDs a nd passwords are case -sen siti ve . NO TE: Assign at least one Ad ministrator-l e vel Login ID . F ull acces s is nec essar y to make config uration option ch anges and adm inister l ogins.
7. Security 7-4 February 2 001 8784-A2-G B20-30 Controlling SNMP Access There ar e three me thods f or lim iting SNM P access. Disable the SN MP manage ment op tion. Refer to T able A-6, General SN MP Managemen t Options, i n Appendi x A, Configura tion Opti ons .
8784-A2-G B20-30 F ebruary 2001 8-1 8 IP Addr essing Selecting an IP Addressing Scheme Y our IP ad dressing scheme d epends in par t whethe r the M CC controll ing the chassis is r unning IP Conse r vativ e sof tware.
8. IP Addre ssing 8-2 February 2 001 8784-A2-G B20-30 Review the f ollowin g informat ion in preparation for sel ecting an IP add ressin g scheme. Any legal h ost add ress is allowed for a given subnet. T he address choice within the subne t is arb itrar y .
8784-A2-G B20-30 F ebruary 2001 A-1 A Conf igurat ion Opti ons Overview The tables in th is append ix summ ari ze the config uration opti ons acces sed when you select Co nfiguration on the Main Menu. T he confi guration options are arranged into groups bas ed upon fu nctional ity .
A. Configu ratio n Opt ion s A-2 February 2 001 8784-A2-G B20-30 Netw ork Interface Opt ions F or N etwork I nterface Options, refer to T able A-1, N etwork I nterface Options .
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-3 A utoRate P ossib le Settings : Enable, Disab le Def ault Setting : Disable Determines wheth er the unit au tomati cally adjust s to the best li ne rate f or condit ion s, or is fix e d at the r ate in the DSL Li ne Ra te fiel d.
A. Configu ratio n Opt ion s A-4 February 2 001 8784-A2-G B20-30 DSX-1 Interface Options F or D SX-1 Inte rf ace Options, refer to T able A -2, DSX- 1 Interface Options .
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-5 T able A-2. DSX-1 I nterface Options (1 of 2) Po r t S t a t u s P ossib le Settings : Enable, Disab le Def ault Setting : Enable Determines whethe r the port can be con figured and u sed. Enable – The port can be conf igured and us ed.
A. Configu ratio n Opt ion s A-6 February 2 001 8784-A2-G B20-30 Send (AIS) on Netw ork F ailure P ossib le Settings : Enable, Disab le Def ault Setting : Enable Specifies the action taken on the signal transmitte d to the DSX-1 w hen a v alid sign al cannot b e recov ered from the network inte rface ( LOS or OOF).
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-7 Copy P orts Op tions Y ou can c op y t he config uration opti ons of one DSX-1 inte rface and DSL lo op to another u sing the Copy P or t s screen. F or Co p y Ports options, re f er to Ta b l e A - 3 , Copy P or ts Optio ns .
A. Configu ratio n Opt ion s A-8 February 2 001 8784-A2-G B20-30 System Options F or System Op tions, re fer t o T able A- 4, Syst em Option s . T o access the Syst em Options screen, follow this m en.
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-9 T able A-4. Sys tem Options DSL Mode P ossib le Settings : LT U , NTU Def ault Setting : LT U Controls whether the un it is con figured as a control unit or tributary unit. LT U – The unit is c onfigured as a control un it (Line T erm ination Unit).
A. Configu ratio n Opt ion s A-10 February 2 001 8784-A2-G B20-30 Management and Communication Menu The Mana gement and Communic ation Menu i ncludes the following: T el net Session Options ( Ta b l e.
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-1 1 T able A-5. T elnet Session Opti ons (1 of 2) T elnet Session P ossib le Settings : Enable, Disable Def ault Setting : Enable Specifies if the unit w ill respon d to a T elnet session request from a T elnet clie nt on an interconn ected IP netw ork.
A. Configu ratio n Opt ion s A-12 February 2 001 8784-A2-G B20-30 General SNMP Management Options T o ac cess the G eneral SNMP Manage ment Options screen, f ollow this menu sele cti on se que nce : M.
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-1 3 T able A-6. General SNMP Mana gement Options SNMP Ma na geme nt P ossib le Settings : Enable, Disable Def ault Setting : Disable Enabl e or disa bles the SNMP manag ement f eatures . Enable – Enabl es SNMP manag ement ca pabilities .
A. Configu ratio n Opt ion s A-14 February 2 001 8784-A2-G B20-30 SNMP NMS S ecurity Op tions T o ac cess the S NMP NM S Secur ity O ptions s creen, follow this menu se lection seque nce: Main M enu .
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-1 5 T able A-7. SNMP NMS Security Opti ons NMS IP V alidation P ossib le Settings : Enable, Disable Def ault Setting : Disable Specifies whether se curity check ing is perf ormed on t he IP address of SNMP managem ent syst ems attempt ing to acces s the node .
A. Configu ratio n Opt ion s A-16 February 2 001 8784-A2-G B20-30 SNMP T rap Options T o ac cess the SNM P T rap s Optio ns scr een, follow this me nu selec tion seq uence : Main M enu → Config urat.
A. Conf iguration Options 8784-A2-G B20-30 F ebruary 2001 A-1 7 T able A-8. SNMP T rap Options (1 of 2) SNMP T raps P ossib le Settings : Enable, Disable Def ault Setting : Disable Controls the genera tion of SNM P trap mess ages. Enable – SNMP trap m essages are s ent out to SN MP managers .
A. Configu ratio n Opt ion s A-18 February 2 001 8784-A2-G B20-30 Enterprise Spec ific T raps P ossib le Settings : Enable, Disable Def ault Setting : Disable Determines if SNMP traps are g enerated for en ter prise-speci fic e vents . Enable – SNMP traps are generat ed f or enterpriseSpecific e vents .
8784-A2-G B20-30 F ebruary 2001 B-1 B Standards Compliance f or SNMP T raps SNMP T rap s This sec tion des cribes the unit's compli ance w ith SNMP sta ndard s and any specia l operation al features for the SNMP traps suppor ted.
B. Standard s Complia nce for SNMP Trap s B-2 Fe bruary 2001 8 784-A2-GB20-30 linkUp and linkDown The link SNMP traps ar e: linkUp – The uni t recogn izes that one of the com munication inter f aces i s operationa l. linkDown – The unit recogni zes that one o f the co mmunicatio n inter f aces is not operati onal.
B. Standard s Complia nce for SNMP Trap s 8784-A2-G B20-30 F ebruary 2001 B-3 Enterprise-Specif ic T raps The ente r pri seSpe cific trap i ndicates that an enter pr ise- specifi c ev ent has occurre d. The Specifi c-trap field identi fies the par tic ular trap t hat occur red.
B. Standard s Complia nce for SNMP Trap s B-4 Fe bruary 2001 8 784-A2-GB20-30 The tes ts that affect the en ter pr iseT estStar t, ente r pri seT estStop, and the v a riable-bin dings ar e different for each par tic ular int erf ace . Diagnosti c tests are only su ppor ted on t he physical T1 netwo rk a nd user data por t inter f ace s.
8784-A2-G B20-30 F ebruary 2001 C-1 C Connector Pin Assignment s Overview This se ction list s the pin assig nments for the front panel 50-pi n DTE conne ctor . F or informati on about th e DSLA M connec tors, see the ap propr iate DS LAM in stallati on document .
C. Conne ctor Pin Assi gnments C-2 February 2 001 8784-A2-G B20-30.
8784-A2-G B20-30 F ebruary 2001 D-1 D T echnical Specif ications Specifications Criteria* Size Length: 1 0 inches (25 .4 cm) Height: 12.3 inches (31.1 cm) Width: 0.8 inch (2.0 cm) We i g h t Ap proxima tely 1 .3 l bs. (0.6 k g) Appr ova ls Saf ety Cer tificati ons Ref er to the eq uipment's label f or approv als on product.
D. Techni ca l Sp ec ific at ion s D-2 February 2 001 8784-A2-G B20-30.
8784-A2-G B20-30 F ebruary 2001 GL-1 Glossary 511 A rando m bit test 51 1 b ytes in le ngth. AIS Alarm Indicati on Signal. A s ignal trans mitted do wnstream i nstead of the norm al signal to preserve tr an smissi on con tinu ity and to indica te to the res t of the netw ork that a f ault e x ists .
Glossa ry GL-2 February 20 01 8784-A2-GB20-30 DSR Data Set Rea dy . A signal from t he modem to the DTE that ind icates the m odem is turned ON and c onnected to the DTE. DSX-1 Digital Si gnal Cross Con nect le vel 1. An interc onnection po int fo r terminals, m ultiple x ers and tr ansm issi on facili ties.
Glossary 8784-A2-G B20-30 F ebruary 2001 GL-3 FTP File T ra nsfer Pr otoc ol. A TC P/IP stan dar d pro toc ol th at a llows a user on on e ho st t o acce ss and tr ansf er files to a nd from anoth er host ov er a network, pro vided tha t the client s upplies a login identifie r and pass word to the server .
Glossa ry GL-4 February 20 01 8784-A2-GB20-30 ro ut e r A dev ice that co nnects LANs by dy namically rout ing data a ccording to destination and av ailab le rout es. RS-449 An Ele ctronic Industries Association 's standard f or a g eneral-purpose , 37-position , DCE/DTE interfa ce .
8784-A2-G B20-30 F ebruary 2001 IN-1 Index A Abort All T ests, 5-1, 5-9 access Communi ty Name, A-13 SNMP, 7-4 to asyn chronous term inal interfa ce, 2-3, 7-1 to the as ynchronous terminal interface, .
Index IN-2 February 2001 8784 -A2-GB20-30 D del eting a Logi n I D, 7-3 Desti nation, SNMP trap s, A-17 Device and tes t monitoring, 1-2 Failed self-tes t result, 4-5 statu s me ss age , 4-3 messa ges.
Index 8784-A2-G B20-30 F ebruary 2001 IN-3 Link Trap Inter faces, A-18 Traps, A-18 Up LEDs, 4-14 link-la yer protocols , 8 -1 link U p an d link Dow n trap s, B-2 local L ine Loopbac k (LLB), 5-3 mana.
Index IN-4 February 2001 8784 -A2-GB20-30 P Pass ed, self-te st result , 4- 5 pattern te st, 5-7 Peer IP Addre ss, A- 3 perf orman ce st atis tic s Current Network Performan ce, 4-10 DSX-1 Perfo rmanc.
Index 8784-A2-G B20-30 F ebruary 2001 IN-5 T tech nical spec ifications, D-1 Telco init iat ed Line Lo opback, 5-10 Loopbac k, enabl ing/disabli ng, A-9 Payload Loopback , 5-10 Remot e Line Loopb ack,.
Index IN-6 February 2001 8784 -A2-GB20-30.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Paradyne 8784 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Paradyne 8784 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Paradyne 8784 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Paradyne 8784 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Paradyne 8784, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Paradyne 8784.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Paradyne 8784. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Paradyne 8784 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
