Intshayelelo
Ukuthenga izixhobo zonxibelelwano kwiindawo ezinobungozi akupheleli nje ekukhetheni ifowuni eqinileyo kodwa kungaphezulu kokufanisa isixhobo neengozi zokutsha, iziqinisekiso, kunye neemfuno zokusebenza zesiza. Iimpazamo ezininzi zokuthenga zenzeka ngaphambi kokuba abathengisi bathelekiswe, xa ulwahlulo lweengozi lungacacanga, imigangatho efunekayo ingaqondwa kakuhle, okanye iimfuno ezisebenzayo ezifana namanqanaba engxolo, umbane, kunye nokufikelela kulondolozo zinganakwa. Eli nqaku lichaza iimpazamo eziqhelekileyo ezenziwa yimibutho xa ikhetha iifowuni ezingakwaziyo ukuqhuma, lichaza isizathu sokuba ezo mpazamo zidala iingxaki zokhuseleko, ukuthobela imithetho, okanye iindleko, kwaye linika abafundi isiseko esicacileyo sokuvavanya iinkcukacha ngaphambi kokuba bangene kwizigqibo ezineenkcukacha zokuthenga.
Kutheni iiFowuni eziQinisekisa ukuQhushulwa zithengwa kakubi?
Ukuthenga izixhobo zonxibelelwano ezikwaziyo ukumelana nokuqhuma ngumsebenzi onzima apho ukuchaneka kobunjineli, ukuthotyelwa kwemithetho, kunye nemida yohlahlo-lwabiwo mali ingqubana khona.iifowuni ezingenakugqabhuka, iziphumo zidlulela ngaphaya kokuphazamiseka kokusebenza; zizisa iingozi ezinkulu zokutsha kwiindawo eziguquguqukayo okanye zibangele iindleko ezinkulu nezingeyomfuneko zemali. Nangona ezi zixhobo zibaluleke kakhulu kwiindawo zokucocisa ioyile, kwizityalo zeekhemikhali, nakwiiplatifomu zaselwandle, amaqela okuthenga ahlala esenza iimpazamo ezibalulekileyo ngexesha lezigaba zokuchazwa kunye nokufunyanwa kwezixhobo.
Ingcambu yokuthengwa okungacwangciswanga kakuhle kukungahambelani phakathi kwezinto zobunjineli ezinobungozi kunye neengcinga zorhwebo eziqhuba umjikelo wokuthengwa. Ngokuhlukanisa kanye apho inkqubo yokuthenga ingaphumeleli khona, abathengi bobuchwephesha kunye nabaphathi bezakhiwo banokususa ubuthathaka besakhiwo kwiinethiwekhi zabo zonxibelelwano.
Indlela uvavanyo lweengozi olubuthathaka olukhokelela ngayo ekuthengeni okungafanelekanga
Impazamo enkulu ekuthengeni iifowuni ezingaqhumiyo kukuxhomekeka kwiindidi zeendawo ezinobungozi ezindala, ezibanzi kakhulu, okanye ezingabhalwanga kakuhle. Amaqela okuthenga adla ngokufumana imiyalelo engacacanga yokuthenga izixhobo "ezikhuselekileyo ngaphakathi" okanye "ezingenakuqhuma" ngaphandle kokuchaza iNdawo okanye iCandelo ngqo. Umzekelo, ukungasebenzisi iNdawo 1 (I-ATEX) okanye iifowuni eziqinisekisiweyo zeCandelo loku-1, iCandelo loku-1 (NEC) zesixhobo esifuna kuphela ukuthotyelwa kweCandelo lesi-2 okanye iCandelo lesi-2 yimpazamo ebiza kakhulu. Olu lwazi lugqithisileyo ludla ngokunyusela iindleko zemali ngama-40% ukuya kuma-60% ngeyunithi nganye, njengoko izixhobo zeCandelo loku-1 zifuna iindawo eziqinileyo zokufaka umbane kunye neendlela ezintsonkothileyo zomlilo.
Ngokwahlukileyo koko, izixhobo ezingachazwanga kakuhle ngenxa yovavanyo olubuthathaka lwengozi kudala iingozi ezinkulu. Ukuba indawo icubungula i-hydrogen kodwa uvavanyo lungafumani mfuneko yesatifikethi seGas Group IIC, abathengi banokuthenga ngempazamo iifowuni zeGroup IIA okanye ze-IIB. Kwimeko yempazamo, ezi zixhobo zingalinganiswanga ngokwaneleyo azinazo ii-tight gap tolerances ezifunekayo ukupholisa i-ignition yangaphakathi esekelwe kwi-hydrogen, nto leyo eguqula ifowuni ngokwayo ibe ngumthombo oyintloko we-ignition.
Kutheni uqikelelo lweendleko zomjikelo wobomi luphazamisa izigqibo
Ngaphaya kwenkcitho yokuqala yenkunzi (iCapEx), iingcamango zeendleko zomjikelo wobomi ezineziphene zihlala ziphazamisa izigqibo zokuthenga. Abathengi bahlala bevavanya iifowuni ezikhuphisanayo ezichasene nokuqhuma ngokusekelwe kuphela kwixabiso leyunithi yokuqala, bengayinaki inkcitho yokusebenza yexesha elide (i-OpEx) efunekayo ukugcina ukuthobela imithetho kwiindawo zoshishino ezinzima. Ifowuni efunyenwe nge-$800 ebonakala ngathi iyakhuphisana inokwenza iindleko zokulungisa ezingaphezulu kwe-$2,500 kwiminyaka emihlanu ukuba ifuna izixhobo ezizezakho okanye inkonzo ekhethekileyo, edinga abasebenzi abaninzi.
Ngaphezu koko, abathengi badla ngokusilela ukuchaza iMean Time Between Failures (MTBF) kunye neendleko zokungasebenzi kwemveliso. Kwimeko yokugrumba elwandle, ukungaphumeleli kwe-node yonxibelelwano olukhuselekileyo ngenxa yokugrumba kwangethuba okanye ukungena komswakama akupheleli nje ekumiseni imisebenzi yendawo kodwa kubangela iindleko ezinkulu zokulungiselela ukuthumela iingcali eziqinisekisiweyo. Ukuqwalasela ubuncinane imfuneko ye-MTBF yeeyure ezingama-50,000 kunye nokuvavanya ukufumaneka kwezinto ezisemgangathweni, ezinokutshintshwa ngokulula ngamanyathelo angenakuxoxiswana ngawo ukuze kubekho imodeli echanekileyo yeendleko zomjikelo wobomi.
Iimpazamo zeNkcazelo yoBugcisa eziBalulekileyo kakhulu
Iinkcukacha zobugcisa zichaza ukhuseleko kunye nokusebenza kakuhle kweizixhobo zonxibelelwano lwemizi-mvelisoXa abathengi bengaqondi okanye bengawunaki iimfuno zobugcisa ezingaqhelekanga, babeka emngciphekweni wokusebenzisa izixhobo ezingakwaziyo ukumelana neemeko zokusingqongileyo okanye ezenza kube lula ukunxibelelana ngokucacileyo ngexesha likaxakeka. Ukuchaneka kwiinkcukacha zezixhobo kuphela kwendlela yokukhusela ezi ngxaki zokusebenza.
Indlela yokufanisa iifowuni nendawo enobungozi ngokwenene
Iindawo ezinobungozi zifuna ukuhambelana ngokuchanekileyo phakathi kwengozi yokusingqongileyo kunye neeparamitha zesiqinisekiso sefowuni. Ngaphaya kweNdawo okanye iCandelo elisisiseko, abathengi kufuneka bahlole ngokungqongqo iKlasi yoBushushu (iKlasi ye-T). Impazamo exhaphakileyo kukufuna ngokungeyomfuneko umlinganiselo we-T6 (ubushushu obuphezulu bomphezulu obuyi-85°C) xa umlinganiselo we-T4 (135°C) wanele ngokupheleleyo kwiigesi ezithile ezikhoyo. Ukuchaza ngokugqithisileyo iKlasi ye-T kunciphisa kakhulu ukhetho lwabathengisi kwaye kunyusa iindleko ngaphandle kokubonelela ngenzuzo yokhuseleko ebonakalayo.
Ukongeza, iprotokholi yonxibelelwano ethile kufuneka ihambelane neziseko zophuhliso zesakhiwo. Abathengi badla ngokuzama ukudibanisa iifowuni ze-analog ezidala ezingakwaziyo ukuqhuma kwiinethiwekhi zanamhlanje ezisekelwe kwi-IP besebenzisa abaguquli be-analog-to-digital abakwindawo, abangaqinisekiswanga, nto leyo ephelisa ukuthotyelwa kwendibano kwindawo enobungozi ngoko nangoko. Ingcaciso ethe ngqo yeefowuni ze-SIP/VoIP zemveli eziqinisekisiweyo kwindawo ethile iyafuneka kwiindlela zanamhlanje zokusasazwa.
Zeziphi iimpawu ze-enclosure, i-IP rating, i-acoustic output, kunye ne-handset ezibaluleke kakhulu
Indlela eyakhiwe ngayo ifowuni ilawula ukuba ingasinda. Abathengi badla ngokungaziqondi iireyithingi ze-Ingress Protection (IP), becinga ukuba i-IP66 (ukhuseleko kwiilwandle ezinzima/iijethi zamanzi ezinamandla) ingaphantsi kune-IP67 (ukuntywiliselwa okwethutyana). Kwiindawo ezininzi zokuhlamba iikhemikhali, ukumelana noxinzelelo oluphezulu lwe-IP66 kubaluleke kakhulu kunokumelana nokuntywiliselwa kwe-IP67. Izinto ezivalekileyo nazo zinefuthe elikhulu kwixesha elide; ukuchaza i-aluminium eqhelekileyo kwindawo enobungozi kakhulu elwandle endaweni yeGlass Reinforced Polyester (GRP) okanye iStainless Steel 316L kuya kukhokelela ekuwohlokeni ngokukhawuleza.
Ukusebenza kwe-acoustic yenye indlela eqhele ukujongwa gwenxa ngayo. Kwiindawo ezinengxolo ephezulu njengamagumbi e-compressor, ingxolo ye-ambient ingadlula i-100 dB. Ukuthenga ifowuni ekwaziyo ukuqhuma ene-ringer eqhelekileyo ye-80 dB(A) kuqinisekisa ukuba akukho zifowuni zifunyenweyo ngexesha lemisebenzi ebalulekileyo. Iinkcukacha kufuneka zifune inkqubo yokulumkisa nge-acoustic okanye ebonakalayo, edla ngokufuna i-relay eyakhelwe ngaphakathi ukuze ivuse isandi sangaphandle se-110 dB(A) okanye i-Xenon strobe beacon eqinisekisiweyo. Iintambo ze-handset nazo kufuneka zivavanywe; iintambo ezijikeleziweyo eziqhelekileyo ziyaqhekeka xa zisetyenziswa kwimizi-mveliso, nto leyo ebangela ukuba iintambo zentsimbi engagqwaliyo ezixhonyiweyo ezinobunzima obuyi-200kg.
Indlela yokuthelekisa iimodeli ngokufanelekileyo
Ukuvavanya iimodeli ezikhuphisanayo kufuna ukudlulela ngaphaya kweencwadana zokuthengisa kunye nokuthelekisa ngokuthe ngqo iinkcukacha zobunjineli eziphambili. Abathengi kufuneka balungelelanise izixhobo, isiqinisekiso, kunye nobuchule be-acoustic ngokuchasene nesiseko esichanekileyo ukuthintela ukungaphumeleli kokuthengwa kwenkqubo.
| Uphawu/Inkcazelo | Imodeli yeAluminiyam esemgangathweni | Imodeli ye-GRP (iGlass Reinforced Polyester) | Imodeli yentsimbi engatyiwayo engama-316L |
|---|---|---|---|
| Isalathisi seendleko ezihambelanayo | 1.0x (Isiseko) | 1.2x – 1.4x | 2.0x – 2.5x |
| Ukumelana nokugqwala | Iphakathi (ifuna ukugqunywa kwe-epoxy) | Iphezulu (ingakhuselekanga kwiikhemikhali ezininzi) | Igqithisile (ilungele ulwandle/unxweme) |
| Ukumelana neempembelelo | Iphezulu (ngesiqhelo i-IK09) | Phezulu (IK09/IK10) | Ubuninzi (IK10+) |
| Iprofayili yoBunzima | Inzima (~5-7 kg) | Ilula (~3-5 kg) | Inzima kakhulu (~8-12 kg) |
| Ireyithingi eqhelekileyo ye-IP | IP66 / IP67 | IP66 / IP67 | IP66 / IP67 / IP68 |
Iimpazamo zokuthobela imithetho kunye nesatifikethi ezinengozi ephezulu
Ukuthobela imithetho kusebenza njengesiseko esipheleleyo sezixhobo ezinobungozi kwindawo enobungozi. Nangona kunjalo, imeko-bume yemithetho yehlabathi yahlukene kakhulu, kwaye ukutolika gwenxa imigangatho yesatifikethi yenye yeempazamo eziyingozi ngokomthetho nangokwezimali umthengi anokuziphosisa. Ukufakwa kwezixhobo ezingathobeli imithetho akupheleli nje ekupheliseni imigaqo-nkqubo yeinshorensi yesakhiwo kodwa kubeka umbutho kwizohlwayo eziqatha zolawulo.
Kutheni ukubhidanisa imithetho ye-ATEX, i-IECEx, i-NEC, kunye neyasekuhlaleni kubangela iingxaki
Imeko yehlabathi yokhuseleko lokuqhuma ilawulwa ziinkqubo ezahlukeneyo, ezihambelana nejografi. Impazamo enkulu yenzeka xa amaqela okuthenga ecinga ukuba izatifikethi zinokutshintshana kuyo yonke indawo. Umzekelo, ukuthenga ifowuni enesatifikethi se-ATEX Directive 2014/34/EU saseYurophu uze uyifake kwindawo yaseMntla Melika elawulwa yimigangatho ye-NEC 500/505 (OSHA) kukwaphulwa komthetho ngokuthe ngqo, nokuba ukunyamezelana kobunjineli besixhobo kwanele ngokwetekhnoloji.
Ngokufanayo, ukudideka kwenkqubo ye-IECEx yamazwe ngamazwe kunye nemiyalelo yasekuhlaleni kubangela ukulibaziseka okukhulu kweprojekthi. Nangona i-IECEx isebenza njengesiseko semigangatho emininzi yesizwe, amazwe afana neTshayina (CCC Ex), iBrazil (INMETRO), kunye neRashiya (EAC Ex) afuna uvavanyo lwasekhaya kunye neempawu zesatifikethi. Abathengi abangaphumeleliyo ukucacisa isiqinisekiso sengingqi esifunekayo kwiSicelo sabo seNgqikelelo (RFQ) badla ngokujongana nokubanjwa kwerhafu okanye ukufakelwa ngokutsha ngenkani, okubangela ukuba iprojekthi iqalise ukusebenza ngeenyanga.
Indlela yokuqinisekisa izatifikethi, iilebheli, kunye neefayile zobugcisa
Ukuthembela kuphela kwibango lomthengisi elithi "alinakwenzeka ukuba liqhume" ngaphandle kokuqinisekisa amaxwebhu asisiseko kukusilela okucwangcisiweyo ngononophelo. Abathengi kufuneka baqinisekise ngononophelo iSatifikethi soVavanyo lwe-EU-Type okanye uxwebhu olulinganayo lwendawo. Oku kuquka ukujonga inombolo yeNotified Body (NB) kunye nokujonga ukufaneleka kwesatifikethi kwisiseko sedatha searhente ekhuphayo ukuqinisekisa ukuba asimiswanga okanye asirhoxiswanga.
Ngaphezu koko, ipleyiti yedatha yesixhobo (ileyibhile) kufuneka ihambelane ngokungqongqo neefayile zobugcisa kunye nohlu lweengozi oluchanekileyo lwesakhiwo. Amaqela okuthenga kufuneka ahlole izaziso zokuqinisekisa umgangatho womenzi (umz., i-ATEX QAN okanye i-IECEx QAR) ukuqinisekisa imigangatho yokuvelisa ehambelanayo. Ukungavumi abathengisi ababonisa amazinga okungasebenzi kakuhle kwentsimi angaphezulu kwe-1.5% okanye abo bangakwaziyo ukuvelisa iingxelo zovavanyo ezipheleleyo, ezilandelelanayo kwiyunithi nganye sisicwangciso esiyimfuneko sokunciphisa umngcipheko.
Indlela Ukufunyanwa, Ukufakwa, kunye Nokugcinwa Konyuswa Ngayo Iindleko Ezipheleleyo
Ixabiso lilonke lobunini beefowuni ezingakwaziyo ukuqhuma lidlula ngaphaya kweodolo yokuqala yokuthenga. Iimpazamo ekufumaneni izixhobo, iindlela zokufakela ezingafanelekanga, kunye neenkqubo zokulungisa ezingakhathalelwanga zihlala zisiba nzima, nto leyo eguqula ukuthenga okubonakala ngathi kubiza kakhulu kube yingxaki yemali eqhubekayo. Ukulawula ezi zinto ziguqukayo kufuna ulawulo oluqatha lwabathengisi kunye nokubambelela ngokungqongqo kwiinkqubo zokufakela eziqinisekisiweyo.
Indlela ukukhethwa kwabathengisi, amaxesha okunikezelwa kweempahla, kunye nezixhobo ezingasetyenziswayo ezichaphazela ngayo iziphumo
Ukuguquguquka kwekhonkco lobonelelo ngeenkonzo kunefuthe elikhulu kwimpumelelo yokuthunyelwa kweenkonzo zonxibelelwano zoshishino. Izixhobo ezikwaziyo ukumelana nokuqhuma azisoloko zithengiswa ngokusesikweni; ukwenziwa kwezixhobo ezikhethekileyo kunye novavanyo oluqinileyo lwebhetshi kuthetha ukuba amaxesha okukhokela ahlala ethatha iiveki ezisi-8 ukuya kwezili-16. Abathengi abangaphumeleliyo ukuchaza le mijikelo yokuvelisa eyongeziweyo badla ngokubhenela kwimithwalo yeenqwelo-moya ekhawulezileyo, enokongeza i-15% ukuya kwi-20% kwixabiso lilonke leprojekthi ngenxa yobunzima obukhulu beendawo ezibiyelweyo.
Ukukhethwa kwabathengisi kufuneka kubeke phambili ukufumaneka okuqinisekisiweyoizixhobo ezingasetyenziswanga eziqinisekisiweyoUkuba umthengisi uphelisa ibhodi enkulu okanye ikhiphedi eqinisekisiweyo ngaphandle kokutshintshwa kwesixhobo esihambelanayo, yonke ifowuni kufuneka ilahlwe xa kukho ukusilela okuncinci kwesixhobo. Ukuqinisekisa isiqinisekiso sesivumelwano sokufumaneka kwezixhobo ezingasetyenziswayo ubuncinane iminyaka eli-10 emva kokuthengwa kukukhusela okubalulekileyo ekuphelelweni lixesha.
Zeziphi iimpazamo zokufakela nokulungisa ezidala umngcipheko onokuthintelwa
Kwanefowuni eqinisekisiweyo kakhulu ekwaziyo ukumelana nokuqhuma iba yingozi enkulu ukuba ifakwe ngendlela engafanelekanga. Impazamo exhaphakileyo kukusetyenziswa kwee-cable glands ezisemgangathweni, ezingaqinisekiswanga ngexesha lokufakwa. Ukuba ifowuni ye-Ex d (engatshiyo) ifakwe i-gland engaqinisekiswanga, ukuthembeka kwendlela yelangatye kuyaphazamiseka ngoko nangoko, nto leyo ethintela ngokusemthethweni isiqinisekiso sonke sendibano kwaye ivumela iigesi eziqhumayo ukuba zihambe nge-conduit.
Iimpazamo zokulungisa nazo zidala imingcipheko enokuthi iphepheke. Iibholiti ezinzima ezigcina indawo evalekileyo engatshiyo kufuneka ziqiniswe ngokweemfuno zomenzi. Ukungaphumeleli ukusebenzisa i-torque efunekayo—umzekelo, ukuqiniswa okungaphelelanga kwi-10 Nm xa iinkcukacha zifuna i-15 Nm—kushiya izikhewu ezincinci kwiiflanges ezenziwe ngomatshini, nto leyo eyenza indlela yomlilo ingasebenzi ngexesha lokuqhuma kwangaphakathi. Ukugcinwa rhoqo kufuneka kwenziwe kuphela ziingcali eziqinisekisiweyo zeCompEx (okanye ezilinganayo) ukuqinisekisa ukuba ezi mpawu zibalulekileyo ziyagcinwa.
Ngawaphi amanyathelo okuthenga aphucula uthelekiso lwababoneleli
Ukuze kuncitshiswe le mingcipheko, amaqela okuthenga kufuneka asebenzise imilinganiselo yovavanyo ecwangcisiweyo elinganisa imilinganiselo ye-logistics kunye ne-operational kunye namaxabiso eeyunithi. Oku kuqinisekisa umbono opheleleyo wezakhono zabathengisi.
| Iikhrayitheriya zoVavanyo | Umthengisi A (Ixabiso eliphantsi lokuqala) | Umthengisi B (i-TCO ephuculweyo) | Impembelelo yoThengo |
|---|---|---|---|
| Iyunithi yeCapEx | $850 | $1,100 | Umahluko wokuqala webhajethi yi-$250 ngeyunithi nganye. |
| Ixesha Eliqhelekileyo Lokukhokela | Iiveki ezili-14 ukuya kwezili-16 | Iiveki ezi-6 ukuya kwezi-8 | Ukusasazwa ngokukhawuleza kunciphisa iindleko zokubamba iiprojekthi. |
| Isiqinisekiso sezinto ezingasetyenziswanga | Iminyaka emi-3 | Iminyaka eli-10 | Ithintela ukutshintshwa ngenkani ngaphambi kwexesha. |
| Ukubandakanywa kweCable Gland | Ayifakwanga | Ifakiwe (Iqinisekisiweyo Ngaphandle kokuqinisekiswa) | Igcina ~$50-$80 ngeyunithi nganye kwaye ithintela iimpazamo zokufakela. |
| Uvavanyo lweMTBF | Iiyure ezingama-35,000 | Iiyure ezingama-65,000 | Inciphisa ngokuthe ngqo ixesha lokungasebenzi kunye nokugcinwa kwe-OpEx. |
Indlela Abathengi Abafanele Basenze Ngayo Isigqibo Sokugqibela
Ukuphela kwenkqubo yokuthenga kufuna ukudibanisa iimfuno zobunjineli, imiyalelo yokulawula, kunye nemida yemali ibe sisigqibo esinye sokuthenga esidibeneyo. Abathengi kufuneka bayeke ukwenza izigqibo ezizimeleyo, apho ukuthenga kulandela ixabiso eliphantsi ngelixa ubunjineli bufuna iinkcukacha eziphezulu kangangoko kungakhathaliseki ukuba kuyimfuneko ngokwenene.
Yeyiphi indlela yokwenza izigqibo ehambelana nobunjineli, ukuthengwa, kunye nokusebenza
Isakhelo esiqinileyo sezigqibo silungelelanisa izinto eziphambili zobunjineli, ukuthengwa, kunye nemisebenzi. Ubunjineli kufuneka buchaze imida enzima: iZone/Division echanekileyo, iGas Group, iThempelity Class, kunye neprotocol yenethiwekhi efunekayo (umz., i-SIP phezu kwe-IEEE 802.3af PoE). Imisebenzi iyalela iimfuno ze-ergonomic kunye nokusebenza, ezifana nesidingo sekhibhodi epheleleyo ngokuchasene ne-auto-dial hotline, okanye ukuhlanganiswa kwenkqubo yokulumkisa ebonakalayo ye-90 dB(A).
Indima yokuthengwa kwempahla kwesi sikhokelo kukufumana izixhobo ezihlangabezana nale mida ingenakuxoxiswana ngayo ngelixa kulungiswa iindleko zizonke zobunini.
Izinto ezibalulekileyo ekufuneka ziqwalaselwe
- Izigqibo ezibalulekileyo kunye nesizathu seeFowuni eziQinisekisa ukuQhuma
- Iinkcukacha, ukuthobela imithetho, kunye nokuhlolwa komngcipheko okufuneka kuqinisekiswe ngaphambi kokuba uzibophelele
- Amanyathelo alandelayo asebenzayo kunye nezilumkiso abafundi abanokuzisebenzisa ngoko nangoko
Imibuzo ebuzwa qho
Yeyiphi impazamo eqhelekileyo xa uthenga iifowuni ezingakwaziyo ukuqhuma?
Sebenzisa umlinganiselo wengozi ongacacanga. Soloko uqinisekisa iNdawo/uLwahlulo oluchanekileyo, iqela legesi, kunye nodidi lobushushu ngaphambi kokuba u-odole ukuze uphephe ukucaciswa okungakhuselekanga okanye ukucaciswa okugqithisileyo okubiza kakhulu.
Ngaba ndisoloko ndifuna ireyithingi ephezulu ye-ATEX okanye ye-T6?
Hayi. Ukuthenga ngaphaya kwemfuneko yendawo kunokunyusa iindleko kakhulu. Thelekisa isiqinisekiso sefowuni novavanyo lwakho lwendawo enobungozi olubhaliweyo.
Kutheni ukukhetha iprotocol kubalulekile kwiifowuni ezingakwaziyo ukuqhuma?
Ukungalingani kunokwaphula ukuhambelana okanye kube nzima ukufaka. Ukuba iwebhusayithi yakho isebenzisa i-IP PBX okanye i-VoIP, khetha ifowuni ye-SIP eqinisekisiweyo endaweni yokongeza ii-converters ezingaqinisekiswanga.
Zeziphi iimpawu zokusingqongileyo ekufuneka ndizijonge phambi kokuba ndizithenge?
Qinisekisa ukalisho lwe-IP, ukumelana nokugqwala, imveliso ye-acoustic, kunye nokuqina kwefowuni. Kwiindawo ezikude nolwandle, emigodini, okanye ngaphandle, ezi nkcukacha zihlala zibalulekile njengesatifikethi esingenakuqhuma.
USiniwo anganceda njani ukunciphisa iimpazamo zokuthenga?
I-Siniwo inika inkxaso kwindawo enye ukusuka kuyilo kunye nokudibanisa ukuya ekufakweni nasekugcinweni, inceda abathengi ukuba bahambelane neefowuni eziqinisekisiweyo ezimelana nokuqhuma neemeko zokwenyani zendawo yemizi-mveliso.
Ixesha lokuthumela: Epreli-30-2026