HP (Hewlett-Packard) SB Series manuale d’uso

SB SER IES FI BEROP TIC SW ITCH User ’s Manual[...]

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SD000153 Rev. J M ay 2000 Contents Safety I nfo rmat ion , Ins truct io ns, and Sym bol s .......................................................................1 Safe ty Information ...........................................................................................................1 Classi f ication .........................................[...]

SD000153 Rev. J M ay 2000 Sampl e Driv er Appl icati on: Electr i c al Equival ent of Driv er.............................................17 Poweri ng Up the Switch ................................................................................................18 Usi ng and Selecting a Channel .......................................................[...]

SD000153 Rev. J M ay 2000 For sales and service information, contact JDS Uniphase or your local r epr esentative. JDS U n iphase Cor poration 570 West Hu nt Cl ub Road Nepean, Ontar io, Canada K2G 5W8 Ph one: 613 727-1303 Fax: 613 727-8284 E-m ail: sales@jdsunph .com Website: http://www.jdsu nph.com[...]

Sa fety – 1 Safety Informati on, Instr uctions, and Sy mbols Safety I n for m ation Clas si ficatio n The uni t consis ts of an exposed metal chassi s that is connected direct ly to earth via a power cord and, ther efore, is c lassi fied as a Cl ass 1 instr ument. Class 1 ref ers to equipm ent rel ying on ground protection as a m eans o f shock p[...]

Sa fety – 2 Safety I n str u ction s The follow ing safety instr uctions m ust be obser ved whenev er the unit i s operated, s ervi ced, or repai red. Fail ure to compl y wi th any of these inst ructi ons or w ith any pr ecaution or war ning contained in the user’ s manual is i n direc t viol ation of the standards of design, m anufacture, and [...]

Sa fety – 3 cir cuit the fuse. • Unl ess absol utely neces sary, do not attem pt to adjust or perform any mai ntenance or repair procedure when the u ni t is opened and c onnected to a power sou rce. • Repai rs are to be car ried out only by a qualified profe ssional. • D o not attempt any adj ustment, m aintenance, or repair procedur e to [...]

Sa fety – 4 Safety Sy m bols The follow ing sy mbols and messages can be mar ked on the unit ( Table 1) . Observ e al l saf ety instructi ons that ar e assoc iated with a symbol. T abl e 1: Safety Symbols Symbol Descr ipti on Laser safety. See the us er’s manual for i nstruc tions on handl ing and operati ng the un it safe ly. See the user ’s[...]

Sa fety – 5 Compliance CE Complia nc e The unit has been designed and tested to comply wit h direct ive 73/23/EEC and it s subsequent amendm ents by the European C omm unity ( EC or C E). T he direc tive r elates to el ectri cal equipm ent designed for us e wit hin certain v oltage l imi ts. I t ensur es that electr ical equipm ent is constr ucte[...]

Gener al Inf orm at ion and Speci fi cati ons – 6 Gener al Infor m ation and S pecifications Gener al In formation Thi s us er’s m anual f or the SB Series Fiber optic Sw itch c ontains com plete operati ng instructio ns. The SB Ser ies 1xN progr amm able swi tches ar e designed to c onnect a single fiberoptic input channel to any of N (up to 4[...]

Gener al Inf orm at ion and Speci fi cati ons – 7 Figure 2: S ingle-C ommon C onfigura tion Dual-Common (SB-D) S witc h Configura tion The D configurati on pr ovides simul taneous connecti on of a bank of inputs to outputs ( Figur e 3). T he input A can be connec ted to 1A of 1B or …( N/2)A. In this dual-c ommon configurati on, channel connecti[...]

Gener al Inf orm at ion and Speci fi cati ons – 8 Figure 4: S ingle-St ep Dua l-Com mon C onfigura tion Dual-Common Block ing (SB-F) Sw itch Confi guration Thi s c onf igur ation all ows one of the inputs to be al igned w ith an output in a bl ocki ng sense, wi th reduced output c hannel c ounts available ( Figur e 5). Figure 5: D ual-C omm on Bl[...]

Gener al Inf orm at ion and Speci fi cati ons – 9 Specification s The f o llo wing optic al specific ati ons descr ibe the warranted character isti cs o f the uni t ( Tabl e 2) . Supplem entary s pecificati ons descr ibe the typi cal non- war ranted perform ance of the unit (T able 3 and Tabl e 4). T ab l e 2: O p ti cal S p ecif i cati o n s Par[...]

Gener al Inf orm at ion and Speci fi cati ons – 10 T ab l e 3: O p erati n g Sp eci fi cati o n s Local c ontrol • Step-up, step- down channel selec tion • Contr ol of one externa l relay d rive r • I EEE 488.1 address selec tion • Return- to-loc al f unction • Language selecti on Remo te control • GPIB interface: I EEE 488.1 1987 c a[...]

Gettin g Sta rte d – 11 Getting Star ted The SB Ser ies Fi beropti c Swit ch consi sts of the swit ch unit and an AC pow er cor d. The rack- mount ki t is opti onal. Before I nitializing an d Operating the Un it I nspect the un it for any signs of damage. Read the user ’s manual thoroughl y, and becom e f am iliar with a ll saf ety symbo ls an [...]

Gettin g Sta rte d – 12 Tem peratu re The u nit can be operated in the temperature range of 0 to 55 ° C. Humidity The un it can be operated i n environments with up to 95 % humidity (0 to 55 °C). Do not expose it to any envir onmental c onditions or changes to env ironm ental conditi ons that can cause condensati on to f orm insi de the unit. V[...]

Gettin g Sta rte d – 13 Ship r eturn mater ial in the ori ginal s hipping c ontainer and pac king materi al. If these are not avail able, pack aging guidelines are as f oll ows: 1. W e ar an anti-s tatic wrist strap and work in an E SD cont rolled area. 2. Cover the front panel with a strip of cardboard. 3. W rap t he unit i n anti- st ati c pa c[...]

Gettin g Sta rte d – 14 1. Blow the sl eeve wi th f ilter ed compr essed a ir ( Fi gure 6). Fi gu re 6: Co nn ecto r Cl eani ng (co nn ecto r typ e can vary) 2. Apply opti cal gr ade isopropy l alc ohol or opt ic al grade ethanol (do not use r ubbing al cohol) to a s mall area of a lin t -free towel and r ub the end of t he ferrule over the wet a[...]

Operat ing and M aintenance I nstruct ion s – 15 Operating and M aintenance Instr uctions Fron t Pane l The front of the switc h is shown in Fi gure 7. Figure 7: Front of the Sw itch Operat ing K eys The operat ing keys are de scribed i n Table 5. T ab l e 5: O p erati ng Keys Key D escri pti on I / O Turn s t he po w er on ( I ) and o ff ( O ) D[...]

Operat ing and M aintenance I nstruct ion s – 16 T ab l e 6: St at u s LEDs LED D escri pti on REM I ndicates that the GPIB or RS232 interface is in Remo te mode. All fron t-panel keys except Local are locked out. LOCK I ndicates that the SB s witc h is in Loc al Loc kout mode. Thi s mode prevents the Local key from returning t he SB s witch to L[...]

Operat ing and M aintenance I nstruct ion s – 17 Figure 9: S witch Se tup without T T L Extern al Sw itch M odul e with TTL Input Cont rols The setup for a swi tch w ith TT L is shown in Figure 10. Figure 10: Switc h Setup wit h T T L Sample Dr iver A pplicatio n: El ectrical E quiv alent of Dr iver A sam ple dr iver application is sh own in Fig [...]

Operat ing and M aintenance I nstruct ion s – 18 Fi gu re 11: Samp l e Driver Appl i cati o n : El ectri cal Eq ui valen t o f Dri ver Caution Do not exc eed 100 mA per dri ver. Powerin g Up the Switch To power up the switch: 1. Connect the s witc h to the AC pow er source w ith the AC power cor d provided. 2. Set the power sw itch to I ( on) to [...]

Operat ing and M aintenance I nstruct ion s – 19 To sel ect a channel : 1. Press the ▲ or ▼ key to sc roll to the channel num ber r equired. T he swi tch mec hanism advances to t he channel when the key is r eleased. I n SB-C m odels ( SB1CXXXXX+2XXXXXXXX) , the channel num ber dis played i s the curr ent channel number connec ted to the comm[...]

Operat ing and M aintenance I nstruct ion s – 20 appli cations. All dr iver s are contr olled by remote comm ands (use the D rive r p ort at the back of the swi tch) . Dri ver 1 can also be control led locally by th e Driv er 1 key. To contr ol driv er 1 l ocall y: 1. Pr ess the D riv er 1 key to toggle dri ver 1 on and off f or m anual contr ol.[...]

Operat ing and M aintenance I nstruct ion s – 21 2. At the computer , ini tiali ze the seri al por t to 1200 baud, eight bit ASC II character c ode, one sto p bit , and no parity . U s e the followin g MS-DOS 2 Qbas ic pr ogram as an example: OPEN " C OM 2;1200,N,8,1" F O R RANDO M AS #1 PRI NT #1, " CLOSE 5" PRI NT #1, "[...]

Operat ing and M aintenance I nstruct ion s – 22 6. Reinstal l the connector panel, guidi ng the f iber s back to ens ure that they do not bend shar ply.[...]

Program mi ng Gui de – 23 Pr ogr amm ing G uide The followi ng pr ogram ming instruc tions f or the SB swi tch are i ntended f or us ers w ho are f amilia r with th e GP IB int erf ace and how to send or recei ve mes sages over a devic e. A detail ed descri ption of the GPIB i nterface is contained in ANSI/IEEE Std. 488.1- 1987 IEEE Standard D ig[...]

Program mi ng Gui de – 24 3. Press th e G PIB ADDR key. The new address i s activ ated and stored. T o leave the GPI B addres s unchanged, pres s the Dri ver 1 key. GPI B In terface Fun ctions The GPI B inter f ace f unctions ar e lis ted in Table 7. T ab l e 7: G P I B In t erf ace Functions M ne moni c Function SH1 sour ce handshake, complete c[...]

Program mi ng Gui de – 25 T ab le 8: RS232 In terf ace Sp ecifi cati o ns N am e Symbol Pin N umber Signal Di rec tion trans mitted data TxD 2 out rec eived data Rx D 3 in reques t to send RT S 8 out clear to send CT S 7 in data term inal ready DT R 6 out signal ground SG 5 — The data protocol is per manentl y set to 1200 baud ASCI I char acter[...]

Program mi ng Gui de – 26 • A com mand is contained i n a message, and m essages can contain mor e than one com mand, each one separated by a se micolo n (;). For example, CL OSE 6;XDR 2 1 <C R> <LF> contains t wo comm ands. • All GPI B comm ands m ust end wi th the term inating s equence <CR > <LF>. • All RS232 comm[...]

Program mi ng Gui de – 27 XDRS i Dri vers Control Sets all eight r elay dr iver s accor ding to the binar y conv ersi on of i. The binary weight of the driv ers is as follows: • Drive r 1 = 1 • Drive r 2 = 2 • Drive r 3 = 4 • Drive r 4 = 8 • Dri ver 5 = 16 • Dri ver 6 = 32 • Dri ver 7 = 64 • Dri ver 8 = 128 Add together the w eigh[...]

Program mi ng Gui de – 28 XDRS? Dri vers Retur ns the states of all dr iver s i n a binar y-coded int eger. LRN ? Le arn Retur ns a string containing three comm ands that, if sent, res et the swit ch to its c urrent s tate, for exampl e, CLOSE i ; XDR S k;SRE l , w here i r epresents the curr ent path number, k repr esents the states of t he exte[...]

Program mi ng Gui de – 29 OPC? Op erati on Co mp let e Retur ns the status of the input buf f er. • 1 = the input buffer i s empty , f or exam ple, all com mands have been executed • 0 = the input buffer i s not empt y , fo r exam ple, com mands ar e st ill pending IDN? Ide n tif ie r Retur ns a s tring that i dentifies the m anuf acturer , t[...]

Program mi ng Gui de – 30 err or request er ror av ailabl e err or • Bit 7 (sel f -test er ror ) is set if a cali bration er ror i s detected after power -up or af ter the self-tes t query ( TS T? ) is executed. At all other ti mes it is 0. • Bit 6 ( service r equest) is set when the inte rr upt request logi c of the switch detects a reason t[...]

Program mi ng Gui de – 31 equipped wi th a National Ins trum ents 3 GPI B interface board, w ith N ational I nstr uments Uni vers al Language I nterface dri vers l oaded. The co m mands that control the GPI B are simi lar to He wlet t Pa cka rd 4 HP Bas ic c ommands . M ost other c ontroll er board m anufacturers provi de basic output and input s[...]

Program mi ng Gui de – 32 WE N D PRI NT sr ' pri nt f inal value of sr END Gene ra ting a S e rv i c e Re quest Interrupt This example tests the ser vice r equest interr upt function. It unmasks t he settled bi t in the SRQ mask r egister and selects a c hannel. An inter rupt is generated when the swi tch reaches the channel. ON PEN GOSU B S[...]

Program mi ng Gui de – 33 equipped w ith a ser ial port. CO M po rt 2 of the c om puter is designated as t he s erial port and is connected to the s witc h. Before using any of these examples, ensure th at the active i nterface c omm and set is SB. The R S232 interface cannot r eceive an S RQ interrupt. The R S232C com mands that appear in this s[...]

Program mi ng Gui de – 34 To change the c ommand s et: 1. Press and hol d the GPIB A DDR key while the SB switch po wers u p. Th e a ctive int erf a ce setting i s di splayed. 2. Press the ▲ key to scro ll to the r equi red command set , for example, SB, SC, or SX. 3. Press the GPIB ADDR key to save the sett ing. SC S eri es Sw itc h Comm and S[...]

Program mi ng Gui de – 35 T ab le 14: SX Swi tch C omma nd Set Syntax Func tion An swi tch to channel n Sn set dri ver n Cn cl ear dri v er n Bk conf igure d river s w i th bi nary code k E enable u nit to ass ert SRQ int errupt af ter co m pleting each command D dis able SRQ inter rupt e xcept when an er ror occurs R rem ote mode: l ock out fron[...]