Black Boxメーカー1-Port 10/100 Device Serverの使用説明書/サービス説明書
ページ先へ移動 of 68
LE S3 01A us er m anu al B L A C K B O X ® A c c e s s a s e r i a l R S- 2 3 2 o r R S- 42 2/ 48 5 d e v i c e o v e r a 1 0 - or 1 0 0 - Mbps net work. • Re mo t ely mo n it or , ma n age , an d c on tr ol a n i nd ust ri a l devi c e in t he f iel d .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om T rademark s Us ed in this Manua l W e ‘ re he r e t o h el p! If y o u h av e a n y q ue s.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 3 LE S3 01A us er m anu al FC C and IC RF I Stat ements Feder al Comm uni cati ons Commi ssion and Ind us try Canada Rad.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 4 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om NOM Stat ement Instrucc iones de Segu ridad ( Normas Ofic ia les Mexicanas E lectrica l Safety Stat ement) 1 . T o das las instrucciones de seguridad y operación d eberán ser leídas ant es de que el apara to el éctrico sea operado.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 5 LE S3 01A us er m anu al T able of Content s C h a p t e r P a g e 1 . Specific ations ..................................................................................
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 6 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om T able of Content s C h a p t e r P a g e 5. Using Vir tual C OM ...............................................................................
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 7 LE S3 01A us er m anu al Cha pter 1: Specif icat ions 1 . Spe cificati ons 1 .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 8 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 1: Specif icat ions 1 . 3 DB9 P in Assignments T able 1 - 1 shows the LES301 A unit’ s DB9 connector pin assignments. T able 1 - 1 . DB9 connec tor pin assignments.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 9 LE S3 01A us er m anu al Cha pter 1: Specif icat ions 1 .5 Power T ermi na l Block C onnec t or F . G. VIN- VI N + Figure 1 - 2. T ermin al block signa ls. NOTE: VI N - and V IN + can be reverse d.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 0 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 1: Specif icat ions 1 .6.4 RUN LED T able 1 - 6. RU N L ED . Message Descr ipt ion LED o n Jum per JP1 Pin 1 and Pin 2 ar e sh or t; this dis abl es AP fir mware in flash me mor y LED is blink ing at t he rate o nce ever y 0.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 1 LE S3 01A us er m anu al Chapte r 2 : Over view 2. Over vie w 2. 1 Intr oduc ti on The LES3 0 1 A E th er ne t Ser ia l Se rver is a g at ew ay betwe en Et he rne t (T C P/ IP) and RS - 23 2 or RS -4 8 5 / RS- 42 2 c om mu ni ca ti on s.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 2 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Chapte r 2 : Over view DB 9 m a l e s e r i al port DC 9 –30 V Re set but to n RJ - 4 5 10 - / 10 0 - M b p s por t DI N rail screw hole W allmount screw hole Figure 2 - 2.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 3 LE S3 01A us er m anu al Chapte r 2 : Over view TCP Client M ode : LE S30 1 A can be co nf ig ur ed as a T C P cl ien t on T C P/ IP netwo rk to estab li sh a co nn ecti on wi th oth er applications (s er ver ) in the host computer ac tively .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 4 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 3 : Hardw ar e Setup 3. Har dwar e Setup NOTE: Figures 2- 1 through 2- 3 in Chapter 2 show the LES30 1 A unit ’s back, top, and front view s.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P age 1 5 LE S3 01A us er m anu al Cha pter 3 : Hardw ar e Setup 3. 1 . 2 COM P or t LED T able 3-2 . C O M p ort L ED mes sage. Message Descr ipt ion Off No dat a is t ransmi tte d o n th e COM por t LED i s blinking Data is trans mit ted on the COM p or t 3.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 6 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup 4. Sof t wa re Setu p The LES301 A Ethe rnet Serial S er ver is shipped with defa ult settings shown in T able 4 - 1 .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 7 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup Figure 4 - 2. Static I P s etup dialog window . 4. 1 .2 Auto IP (Dynamic IP) A DHC P serve r ca n au t om at ica ll y ass i gn t he IP ad dr ess an d netw ork sett in gs .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 1 8 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup 4. 2 Con figu rat ion b y T el net Uti li t y Y ou can use the T elnet utility to change configur ation settings of the LES301 A .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P age 1 9 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup Figure 4 - 6.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 0 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup 4. 2.2 N etworki ng Selec t “ 2 ” from “Input choice and enter ( 0 – 4) :” to enter the Net working pag e ( see Figure 4 - 7).
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P a ge 2 1 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup 4. 2.3 Change t he Password 1 . Sel ect “ 3” fr om “In pu t ch oi ce and en te r (0 – 4):” an d th e f ol lo win g sc re en appe ars (see F ig ur e 4- 8).
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 2 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup The page enables you to confi gure C OM 1 paramete r set tings, includi ng C O M working mode, p or t parameters, enabli ng or disabling serial buffer’ s data, and set ting packet delimiter .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 3 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup Figure 4 - 1 1 . Link M ode —T CP ser ver setup. 4. 2.5 Con figu re the L ES30 1 A as a TCP C li ent 1 . T ype “ 2 ” at the “Input choice ( 1–5) and enter :“ prompt (se e Figure 4 - 1 1) 2 .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 4 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup Figure 4 - 1 2. Link mod e TC P clien t setup. 4. 2.6 Con fig ure th e LES30 1 A as a UDP Cl ient For exa mpl e , th e loc al port is 4660, the desti n at io n IP is 1 0 .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Page 2 5 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup 4. 2. 7 C OM Port Se tting T y pe “ 2 ” at the “Input choice and enter (1 – 4) :” prompt for C OM 1 . The following screen will appear .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 6 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup 4. 2.9 Settin g Pack et Deli mit er Pack et d elimi ter is a way of controll ing packets within s erial commun ication.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 7 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup 5. Clic k on the ” Rest art” but ton to activate the change. Y ou can also m odify various settings throu gh the Web ser ver int er face .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 8 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup Figure 4 - 1 9. O ver view . 4.3. 2 Change t he Passwor d and RS -23 2 / RS - 4 85 / RS - 42 2 T ype Selec t ion 1 .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 2 9 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup 2 . T y pe in the old pass word in the “ Old Password” fi.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 30 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup Figure 4 - 22 .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pag e 3 1 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup 4.3. 4 Con fig ure the L ES30 1 A as a T CP Ser ver Y ou can config ure the L ES30 1 A with transpar ent m ode as the d ef ault.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 3 2 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup Figure 4 - 2 4. C OM 1 setup — TC P s er ver . NO TES : 1 . The de fa ul t port n um ber for the LES3 0 1 A is 4660 and it i s ass oc ia ted wi th seri a l port C OM 1 res pect iv ely .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Page 3 3 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup 7 . In pu t th e err or re tryi ng t ime at the “W ait in g Ti me Betwee n Re-co nn ect A tte mp ts (0 min u te , 1– 2 5 5):” pr omp t .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 34 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup Figure 4 - 26. C OM 1 setup — pair connec tion. C onfigur e the LES30 1 A as U DP mode. The lo cal por t is 4 660, the d estination I P is 1 0.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pag e 3 5 LE S3 01A us er m anu al Cha pter 4 : Soft war e Setup Figure 4 - 2 7 . C OM1 setup — UD P mode. 1 . C l ic k on “Sa v e C on f ig ur at io n ” to sav e the ch an ges .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 36 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 4 : Soft war e Setup Figure 4 - 29 . MS - DOS command prompt window . Ste p 2 : C ha n g e t o n e w IP vi a T el n e t Po rt 1 . • In pu t “ te ln et 1 0 .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Page 3 7 LE S3 01A us er m anu al Cha pter 5 : Using Vir tua l C OM 5. Usi ng Vir tu al C OM Vi rtu a l C OM d r i v er m od e f o r wi n d o ws c o n v ert s C OM d a ta t o LAN d at a t o c on tr ol th e RS- 2 3 2 p ort o n a n L E S3 0 1 A vi a t h e LAN .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 38 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 5 : Using Vir tua l C OM 5. 1 . 3 Limi tatio n Th e Vi rtu a l C OM dr i ve r e n a bl e s y ou t o s el e ct up t o 2 56 C OM p o rts a s V i rt u a l C OM p ort s i n a Se r i a l Ma n a g er P C .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P age 3 9 LE S3 01A us er m anu al Cha pter 5 : Using Vir tua l C OM Figure 5 -3 . En able Vir tual C OM via T elnet. 5.2. 2 Run Ser ia l / IP on P C In the Window S tar t Menu, go to “Pr ograms, ” s elect “Serial / IP” and selec t “ C ontrol Panel.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 40 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 5 : Using Vir tua l C OM Figu re 5 - 4. Seria l / I P configura tio n. On the right side of Figure 5 - 4 is a sample Vir tual C OM C ontr ol Panel w indow .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P age 4 1 LE S3 01A us er m anu al Cha pter 5 : Using Vir tua l C OM 5. Cl ick the “C onfiguration Wizard” but ton and then click the “S tart” but ton that appears in the wizard window .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 4 2 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 6 : SNMP Setup 6. SNMP Setup 6. 1 SNMP Net work Ma nagement P latform LES30 1 A is.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 4 3 LE S3 01A us er m anu al Cha pter 6 : SNMP Setup Figure 6 -3 . Net workView displays the devices found .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 4 4 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 7: Start W r it ing Y our Own Appli cati ons 7 . Star t W rit ing Y our Own Applicat ions Before you star t writing hos t applications or programs to interact with LES30 1 A, mak e sure you have done the followi ng.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pag e 4 5 LE S3 01A us er m anu al Cha pter 7: Start W r it ing Y our Own Appli cati ons 7 . 2. 2 T CP TEST2 in Visu al C T o st art the program, t ype in the following command in the command line prompt: T C PTE S T2 IP _ A dd r e ss P o rt_ N u mb e r Figure 7 - 2.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 46 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Cha pter 8 : Di agn os t ics 8. Diag nostics There are several ways that you can check on the s tatus and avail ability of the L ES30 1 A.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 4 7 LE S3 01A us er m anu al Appendix A : U pgr ade System Fir mw ar e Appendix A: Upgrade S ystem Fi rmw are After a new version of firmwar e is released, you can download it from w w w.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 48 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix A : U pgr ade System Fir mw ar e Figure A -3.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 4 9 LE S3 01A us er m anu al Appendix B : Disable System F irm wa re Appendix B: Disable S ystem Fi rmw are The application progra m (AP ) LES301 A firmwa re can be disabled.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 50 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y Appendix C: Using Ser ia lMan ager Uti li t y C . 1 Seri alM anager Ut il ity Intr oduc ti on The SerialManager utility is a special tool for device mana gement and configura tion.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 5 1 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y Figure C -2 . Main menu. Alternatively , you c an sel ect the search m ethod by clicking the “Rescan but ton ” on the toolbar .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 5 2 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y Figure C - 4. Broad cast S earch s creen. Search by IP Addre ss Once “Search by IP Address” is selec ted, an int er face will p op up.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pag e 5 3 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y Figure C - 6.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 54 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y Figure C - 8 . Ser ialManag er s creen. Y ou can selec t and d ownload the required firmware from the disk.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P age 5 5 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y C . 3.3 Configur ation Us e th is fu ncti on t o se t up par am et ers in the de vi ce con f ig ur a tio n , to imp ort an d t o expo rt the par a me te rs, and to se t up some op ti o n s.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 56 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y SNMP Y ou can modif y S NMP set tings of any sele cted device. The suppor ted SNMP fields are Name, Location, and Con tac t.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pag e 5 7 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y F i gu re C - 1 3 .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 58 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y C OM pr ope rty rep re sen ts th e pa r ame t.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Page 5 9 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y Expor t Set tings Y ou can save the parameter.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 60 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y Figure C - 1 6. Web brows er . Configure by T elne t Most dev ic es s up port T el ne t log i n.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P age 6 1 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y C .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 6 2 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y Figure C - 20. Change Pas sword s creen. C .3.5 Vir tu al C OM So m e de v i c es s u p po rt v irt ua l s er i a l po rt f u n ct io n .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pa ge 6 3 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y Figure C -22 . V ir tual C OM wo rking a rea. Selec t the device you want to establish a V irtual C O M connec tion with — you can sele ct multiple d evices.
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 64 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y Figure C - 23. Add devices. The device is add ed. Right-click on any p ort and a menu w ill appear .
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om Pag e 6 5 LE S3 01A us er m anu al Appendix C : Using Seria lM ana ger Uti l it y Figure C -2 4. Mapping drop- dow n menu. If you s elec t Por t Mapping… , a new window will appear .
72 4 - 7 46 -5 50 0 | black box.c om Pa ge 66 LE S3 01A us er m anu al 72 4 - 7 46 -5 50 0 | black box.c om Appendix C : Using Seria lM ana ger Uti l it y Figure C -2 6.
72 4 - 7 46 -5 50 0 | black box.c om 72 4 - 7 46 -5 50 0 | black box.c om P age 6 7 LE S3 01A us er m anu al NO TES.
72 4 - 7 46 -5 50 0 | black box.c om About Bl ack Bo x Black Box provides an ex tensive range of net working and infr astruc ture product s. Y ou’l l find ever y thing from cabinets and racks a n d .
デバイスBlack Box 1-Port 10/100 Device Serverの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Black Box 1-Port 10/100 Device Serverをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBlack Box 1-Port 10/100 Device Serverの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Black Box 1-Port 10/100 Device Serverの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Black Box 1-Port 10/100 Device Serverで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Black Box 1-Port 10/100 Device Serverを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBlack Box 1-Port 10/100 Device Serverの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Black Box 1-Port 10/100 Device Serverに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBlack Box 1-Port 10/100 Device Serverデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
