Telefoni ya VoIP ya JWBT820 yotetezeka kuphulika yapangidwa kuti igwiritsidwe ntchito pazochitika zadzidzidzi
kulankhulana m'malo ovuta. Foni imatha kupirira kusiyana kwakukulu kwa kutentha, chinyezi chambiri, madzi ndi fumbi la m'nyanja, mlengalenga wowononga, mpweya wophulika ndi tinthu tating'onoting'ono, komanso kuwonongeka kwa makina, zomwe zimapangitsa kuti ikhale yogwira ntchito bwino kwambiri ngati chitetezo cha IP68, ngakhale chitseko chitakhala chotseguka.
Thupi la foni limapangidwa ndi aluminiyamu, chinthu cholimba kwambiri chopangira zinthu zotayira, chokhala ndi keypad yonse ya zinc alloy yokhala ndi mabatani 15 (0-9, *, #, Redial, SOS, Volume control).
Pali mitundu ingapo, yosinthidwa mtundu, yokhala ndi chingwe chosapanga dzimbiri chotetezedwa kapena chozungulira, yokhala ndi kapena yopanda chitseko, yokhala ndi keypad, yopanda keypad ndipo ngati ifunidwa ili ndi mabatani ena owonjezera.
Zigawo za foni zimapangidwa ndi wodzipangira yekha, zigawo zonse monga keypad, cradle, ndi handset zitha kusinthidwa.
1. Thandizani mizere iwiri ya SIP, SIP 2.0 (RFC3261).
2. Makhodi a Audio: G.711, G.722, G.729.
3. Ma Protocol a IP: IPv4, TCP, UDP, TFTP, RTP, RTCP, DHCP, SIP.
4. Khodi yoletsa ma echo: G.167/G.168.
5. Imathandizira duplex yonse.
6.WAN/LAN: thandizani Bridge mode.
7. Thandizani DHCP kupeza IP pa doko la WAN.
8. Imathandizira PPPoE ya xDSL.
9. Imathandizira DHCP pakugawa IP pa doko la WAN.
10. Ili ndi chipolopolo chopangira aluminiyamu chokhala ndi mphamvu zambiri zamakanika komanso cholimba.
11. Ili ndi foni ya Heavy Duty yokhala ndi cholandirira chothandizira kumva (HAC) komanso maikolofoni yoletsa phokoso.
12. Ikuphatikizapo keypad yopangidwa ndi zinc alloy ndi Magnetic reed hook-switch.
13. Amapereka chitetezo choteteza nyengo motsatira miyezo ya IP68.
14. Kutentha kwa ntchito kumayambira madigiri -40 mpaka madigiri +70.
15. Yophimbidwa ndi utoto wa polyester wokhazikika ndi UV mu mtundu wophimbidwa ndi ufa.
16. Yokhazikika pakhoma, Kukhazikitsa kosavuta.
17. Makoma ndi mitundu yambiri.
18. Chida chowonjezera cha foni chopangidwa nokha chikupezeka.
19.ATEX,CE, FCC, RoHS, ISO9001 yogwirizana
Foni iyi yosaphulika ndi yoyenera kugwiritsidwa ntchito m'malo ovuta:
1. Yapangidwira kugwiritsidwa ntchito mumlengalenga wa mpweya wophulika ku Zone 1 ndi Zone 2.
2. Yoyenera mlengalenga wophulika wa IIA, IIB, ndi IIC.
3. Yopangidwira kugwiritsidwa ntchito m'malo omwe fumbi limapezeka mosavuta ku Zone 20, Zone 21, ndi Zone 22.
4. Yoyesedwa pa kalasi ya kutentha T1 ~ T6.
5. Mlengalenga wa mafuta ndi gasi, makampani opanga mafuta, Ngalande, sitima yapansi panthaka, njanji, LRT, msewu wothamanga, sitima zapamadzi, sitima, gombe, malo opangira magetsi, mlatho ndi zina zotero.
| Chinthu | Deta yaukadaulo |
| Chizindikiro chosaphulika | ExdibIICT6Gb/EXtDA21IP66T80℃ |
| Voteji | AC 100-230 VDC/POE |
| Ntchito Yoyimirira Panopa | ≤0.2A |
| Kuyankha Kwafupipafupi | 250 ~3000 Hz |
| Voliyumu ya Ringer | >85dB(A) |
| Kalasi ya dzimbiri | WF1 |
| Kutentha kwa Malo Ozungulira | -40~+60℃ |
| Kupanikizika kwa Mlengalenga | 80~110KPa |
| Chinyezi Chaching'ono | ≤95% |
| Dzenje Lotsogolera | 1-G3/4” |
| Kukhazikitsa | Yokhazikika pakhoma |
Ngati muli ndi pempho lililonse la mtundu, tidziwitseni mtundu wa Pantone No.
85% ya zida zosinthira zimapangidwa ndi fakitale yathu ndipo ndi makina oyesera ofanana, tikhoza kutsimikizira ntchito ndi muyezo mwachindunji.