Zomwe Zili: * Imathandizira 9.95Gb/s mpaka 11.3Gb/s bit rates * Hot-pluggable SFP+ footprint * Single LC for Bi-directional Transmission * Utali wautali wa ulalo wa 40km * Womangidwa mu 1270/1330 WDM Fyuluta * Yopanda 12330nm kapena 12330nm DFB Laser. * Kutaya mphamvu 4.5Gb/s; pamene otsika, mlingo wolowera deta 4.5Gb/s; ikatsika, kuchuluka kwa deta yolowera 1000 V) Electrostatic Discharge (ESD)kwa Single LC Receptacle IEC 61000-4-2GR-1089-CORE Yogwirizana ndi FCEMIC Electromagnetic Gawo 15 Class BEN55022 Kalasi B (CISPR 22B) VCCI Kalasi B Yogwirizana ndi miyezo Laser Eye Safety FDA 21CFR 1040.10 ndi 1040.11EN60950, EN (IEC) 60825-1,2 Yogwirizana ndi Gulu loyamba la laser product. l Dera Lovomerezeka Lomwe Likulangizidwa Lothandizira Bungwe Lopereka Mphamvu Yopatsa Mphamvu Yowonjezera Yothamanga Kwambiri Circuit l Mechanical Dimensions JHA ili ndi ufulu wosintha zinthu kapena zidziwitso zomwe zili pano popanda chidziwitso. Palibe mlandu womwe umaganiziridwa chifukwa chogwiritsa ntchito kapena kugwiritsa ntchito. Palibe ufulu pansi pa patent iliyonse yomwe imatsagana ndi kugulitsa zinthu zotere kapena zambiri. Lofalitsidwa ndi Shenzhen JHA Technology Co., Ltd. Copyright © JHA Ufulu Onse Ndiotetezedwa

Chiyambi JHA-P302016CBMZH mndandanda masiwichi amapereka kuchokera maukonde mfundo imodzi amagwiritsa Cat5 chingwe kufala munthawi yomweyo deta ndi mphamvu, pamene AC mphamvu si mphamvu kapena kutenga mphamvu zovuta (monga PTZ makamera ndi WiMAX zipangizo), JHA-P302016CBMZH mndandanda lakonzedwa maukonde opanda zingwe. , chitetezo automation ntchito. JHA-P302016CBMZH mndandanda masiwichi amachepetsa kwambiri mtengo wa waya wogwiritsa ntchito magetsi, malo olowera opanda zingwe a LAN, makamera owonera makanema ndi zida zina ziyenera kugwiritsidwa ntchito kuti zithandizire bwino ntchito zatsopano ndi ntchito, kupatsa ogwiritsa ntchito kusinthasintha kwakukulu komanso kuyenda. Ma aligorivimu odzimva otsogola okha pamagetsi okhazikika a PD, chifukwa chake musadandaule za kuwonongeka kwa zida za PoE PoE zachinsinsi kapena zomwe sizili wamba. Mapangidwe osavuta komanso odalirika, JHA-P302016CBMZH mndandanda wazodziwikiratu zofunikira za PoE, liwiro, duplex, ndikugwiritsa ntchito chingwe cha Auto Up TM mtundu wa chingwe. Zomwe zili *16*10/100mbps POE port,2*10/100/1000mbps UP Link; *250m Kutalikirana; Thandizo la Vlan * Ntchito ya Watchdog * Imathandizira Utumiki Wabwino (QoS) * Thandizani IEEE802.3AF/AT * Mphamvu Zonse: 250W (52V 4.8A), magetsi amkati; * Doko lonse lothandizidwa ndi MDI/MDIX auto flip and self negotiation *Support IEEE802.3x flow control for Full-duplex mode and backpressure for Half-duplex mode. * Doko lililonse max. magetsi afika 30W. Specification Model 16 + 2 doko 250m POE lophimba (Anamanga-mu) Model No. JHA-P302016CBMZH PoE Port 1 kuti 16 doko thandizo IEEE802.3af/pa UP ulalo doko 17th-18th doko thandizo 1000Mbps PoE linanena bungwe 105.33WEE/ / pa PoE mphamvu yonse ≤200W PoE mtundu End-span Mphamvu mtunda ≤250m Network Standard IEEE 802.3, IEEE802.3u,802.3x, 802.3af/pa Network Medium 100/1000BASE-TX: 5 kalasi ndi pamwamba sanali shielded zopotoka awiri Gndege Bandwidth 2m2 Bandwidth Distance ≤2m² Data Distance Kutumiza Malo Osungirako ndi Kupititsa patsogolo Mlingo 10BASE-T:14880PPS/port100BASE-tx:14800pps/port 1001000BASE-T:1488095pps/doko MAC Adilesi 2K MAC adiresi tebulo Port function Mphamvu patsogolo, MACEE8 Kuphunzira kwathunthu kwa IEX2ging. -duplex ndi mode ndi backpressure kwa Chizindikiro LINK/ACT. 100Mbps; Chizindikiro cha POE; Chizindikiro cha MPHAMVU; EXTENDER chizindikiro Malo Ogwirira Ntchito Kutentha: -10 ° -- 55 ° C Mphamvu yolowera AC100-240V 50/60HZ Kulemera 1.3kg Kukula 202mm * 140mm * 45mm(L*W*H) Dimension Order Information Model No. Katundu JHA-P302016CBMZH 16 Madoko 10/100M PoE+2 Uplink Gigabit Ethernet Port, magetsi omanga, okhala ndi VLAN, ntchito ya Watchdog

16 Slots 2U 19" Managed Rack Mount Chassis Introduction JHA-ME16 idapangidwa mwapadera kuti muzitha kutengera ma Chassis-based Media Converters. Chassis imakulolani kuti muyike zosinthira zama media angapo mu rack zida pamodzi ndi zida za netiweki zomwe amapereka Kutembenuza kwa media. Izi zimapereka mwayi wopulumutsa danga, ndipo cabling imawoneka ngati nyama chosinthira ndi Ethernet transmission media conversion unit yomwe imatembenuza ma siginecha amagetsi pa chingwe chopotoka cha mtunda waufupi komanso ma sign akutali Amatchedwanso CHIKWANGWANI to Ethernet converter Fiber optical media converter nthawi zambiri imagwiritsa ntchito intaneti pomwe chingwe cha Efaneti sichimatha kubisala ndipo chimayenera kugwiritsa ntchito chingwe cha fiber optical kukulitsa mtunda wotumizira. Komanso ili mu njira yolumikizira intaneti ya MAN Broadband. Fiber optical media converter imaphwanya malire a mtunda wa 100m wa chingwe chamagetsi cha Ethernet, imapangitsa kufalikira kwa intaneti mpaka 120KM bwino, kutengera chipset chodzipereka chapamwamba komanso chosungira champhamvu chachikulu kuti chipereke mawonekedwe osatsekereza otumizira. Kuonjezera apo, imaperekanso ntchito yoyendetsera bwino, kupatula mikangano ndikupereka zolakwika kuti zitsimikizire chitetezo ndi kukhazikika kwa kutumiza deta. Mawonekedwe ♦ Metal case, 19 inch rack standard , two unit-height ♦ Imathandizira kukhazikitsa Rack Mounting ♦ Nyumba mpaka khumi ndi zisanu ndi chimodzi FR-6000 series media converter modules ♦ Modularized module with media converter modules, network management module, power supply modules ♦ Slide- mu gawo lakumbuyo kwa ma module a AC/DC ♦ Ma module amagetsi osafunikira ♦ Kutentha kosinthika kwa ma module osinthira ♦ Okhala ndi mafani oziziritsa kuti atsimikizire kugwira ntchito kodalirika ♦ Kasamalidwe kanzeru kuti muzitha kuyang'anira bwino kulumikizana kwanu kofunikira Dimension Specification Faceplate 16 network management card slot +1 network management board slot Fan Redundant fan poziziritsa Hot Swappable Inde pagawo lamphamvu , gawo loyang'anira ndi gawo la bizinesi MTBF ≥30,000 maola Protocol Standard IEE802.3: CSMA/CD, IEE802.3i: 10Base-T, IEE802.3i: 100Base-T EMI Electromagnetic Interference Test EMC IEC61000-4-2(ESD) ±8kV(contact) ±15(air) IEC61000-4-3(RS) 10V/m(80MHz~2GHz) IEC61000-4-4(EFT) Khomo la Mphamvu: 4kV, Khomo la Data: ±2kV IEC61000-4-5(Surge) Doko la Mphamvu: ±2kV/DM, ±4kV/CM, Khomo la Data: ±2kV IEC61000-4-6( CS) 3V(10kHz~150kHz), 10V(150kHz~80MHz) IEC61000-4-16 (Common Mode Conduction) 30V (Cont), 300V (1S) Power Supply Redundant magetsi, thandizo 220VAC ndi -48VDC Working Environment Kutentha kwa ntchito: -20 ~ 70 ℃ Kutentha kwapakati: 50 ℃ % mpaka 90% Kutentha Kosungirako: -40 ~ 70 ℃ Kusungirako Chinyezi: 5% mpaka 90% osasunthika Kuyika 2U Rack Mount Dimension Chassis: 485 * 318 * 90mm Module Khadi: 115 * 88 * 26mm Order Information Model No. Kufotokozera Katundu JHA-ME16-2A -slot AC 220V, Dual Power Managed Rack Mount Chassis

Mbali ♦ Support 1000Mbps wapawiri CHIKWANGWANI njira; ♦ Chiyankhulo muyezo amathandiza PCI Express 2.0; ♦ Thandizani MSI, MSI-X, kuthandizira mzere wa VMDq; ♦ Thandizani ISCSI mathamangitsidwe; ♦ Thandizani njira ya QOS; ♦ Thandizani FCOE kutsitsa; ♦ Thandizani mzere wa RSS / TX; ♦ Thandizani 802.3x kuwongolera kuyenda; ♦ Imathandizira machitidwe ambiri ogwiritsira ntchito maukonde ndipo amatha kutumizidwa kwambiri. Kufotokozera JHA-GWC401 ndi gigabit fiber network khadi yoperekedwa kwa seva, ili ndi mawonekedwe anayi a 1000M LC optical fiber, omwe amatha kuthandizira 4000Mbs transmission bandwidth, ndikuthandizira PCI-E X4 standard slot, kuonetsetsa kuti khadi la intaneti likugwira ntchito bwino komanso lokhazikika. khadi la netiweki limathandiziranso VLAN, njira ya QOS, kuwongolera kuyenda ndi ntchito zina, zoyenera kugwiritsa ntchito ma LAN apakati ndi akulu. Ubwino Wazinthu ♦ JHA-GWC401 network khadi itengera Intel I350 choyambirira chip; ♦ Ma board onse a PCB ali ndi magawo 6-8; ♦ Pamwamba pa ma netiweki khadi amatengera njira yopopera tini kuti mupewe okosijeni wa mkuwa wopanda kanthu ndikusunga kusungunuka; ♦ Zigawo za khadi la netiweki zimapangidwa ndi zinthu zomwe zimapangidwira fakitale yoyambirira, ndipo magetsi amapangidwa ndi TI ndi LTC magetsi aku United States, kuti adziwe kukhazikika kwamagetsi pamanetiweki khadi; ♦ Lowani chala chagolide ndi 5μ golide wolemera kuti mulumikizane modalirika, kutayika kochepa, kutayika kwa paketi yotsika ndi kuchedwa kwa data; ♦ Mawonekedwe a khadi la netiweki ali ndi zotchingira ziwiri, zomwe zimatha kupewa kusokoneza ndikupangitsa kuti kufalikira kwa data kukhale bwino; ♦ Ndi kutentha kwakuya pamaneti, kumatha kuchepetsa kutentha kwa ma netiweki nthawi iliyonse, kuwongolera. kukhazikika kwa ntchito ndikukulitsa moyo wautumiki wa kirediti kadi; ♦ Makhadi onse a netiweki amadutsa maola 24 akugwira ntchito kukalamba pansi pa kutentha kwa madigiri 90, ndikuyesa mwamphamvu, kutsimikizira kudalirika kwakukulu komanso kukhazikika kwapaintaneti; Support 10Gbps wapawiri fiber channel; Product Specification Nambala Yogulitsa JHA-GWC401 Dzina Logulitsa Gigabit quad-channel universal fiber network khadi Mtundu wa Efaneti seva netiweki khadi Purosesa Chip Intel I350 Gigabit Efaneti controller Bus Type PCI Express X4, yogwirizana ndi X4, X8 ndi X16 PCI-E slots Network Interface Type SFP System Interface Type PCIe v2.0 (5.0GT/s) Ethernet Storage iSCSI, FCoE, NFS Transmission Rate (Mbps) 1000M Type of Transmission Sipakatikati LC CHIKWANGWANI, pansi MMF 62.5/50 microns Web Miyezo IEEE802.3 Zapadera Intel Virtualization Technology for Connectivity;Virtual machine device queue (VMDq) ndi SR-IOV;Multi-CPU load balancing;Kusefa kwapaketi kwapamwamba (pa doko); Thandizo la VLAN ndi kuyika chizindikiro cha VLAN, kuchotsa ndi kusefa paketi; ISCSI mathamangitsidwe, iSCSI kutali boot; Ethernet fiber channel; Adaptive katundu kusanja; Thandizo lamagulu; TCP fufuzani ndikutsitsa, gawo la TCP / lalikulu kutumiza kutsitsa, kuchepetsa kusokoneza; IPv6 kutsitsa; Seva Yogwirizana ndi Seva ya Lenovo, seva ya inspur, seva ya HP, seva ya cisco, seva ya huawei, seva ya dell, seva ya asus, seva ya IBM, seva ya shuguang, seva yatsinghua tongfang, seva ya Great Wall, seva ya wuzhou, seva ya baode, seva ya microstar, seva ya zhengrui ndi Chitsimikizo cha seva ya DIY Chitsimikizo chaukadaulo wapamwamba, chiphaso cha ISO9001, chiphaso cha CE, FCC certification, ROHS certification, REACH certification Compatible Operating System Windows XP SP3,Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 SP2, Windows Server 2008 SP2 Core, Windows Server 2008 R2 SP1 Windows Server 20068 RPE (2003 PE),WinPE 2.1 (2008 PE) WinPE 3.0 (2008 R2 PE), Linux Stable Kernel version 2.6/3.x ,Linux RHEL 5.8 Linux RHEL 6.2,Linux SLES 10 SP4, Linux SLES 11 SP2,FreeBSD 9 ,EFI 1.2, UEFI 2.3, VMware ESXi 5.02,VMware ESX M/N.potsatira 3 (GA TBD) Utali 13.8 cm (5.43 mainchesi) M'lifupi 6.8 masentimita (2.68 mainchesi) Working Temperature 0℃~55℃(32℉~131℉) yosungirako Kutentha -40 ℃~70 ℃(-40℉~158℉) Kuyitanitsa Chidziwitso Gawo Nambala Nambala Katundu Kufotokozera JHA-GWC401 Intel I350 chip, PCIe x4 (5.0GT/s), Gigabit SFP Quad Port, 1000Mbps Transmission Rate

E1-31 Channel RS232/RS422/RS485 Converter JHA-CE1D31/R31/Q31 Chidule Chosinthira mawonekedwe ichi chimachokera ku FPGA, kupereka 31Channel RS232/485/422 kutumiza pa E1 mawonekedwe. Chogulitsacho chimadutsa zosemphana pakati pa mtunda wolumikizirana wamawonekedwe achikhalidwe komanso kuchuluka kwa kulumikizana, kuonjezera apo, zimathanso kuthetsa kusokoneza kwa ma elekitiroma, kusokoneza kwa mphete ndi kuwonongeka kwa mphezi. Chipangizocho chimathandizira kwambiri kudalirika, chitetezo komanso chinsinsi cha kulumikizana kwa data. Amagwiritsidwa ntchito kwambiri poyang'anira mafakitale osiyanasiyana, kuwongolera njira komanso nthawi zowongolera magalimoto, makamaka ku Banki, ndi Mphamvu ndi magawo ena ndi machitidwe omwe ali ndi zofunikira zapadera pakusokoneza ma electromagnetic chilengedwe. RS232/RS485/RS422 njira imatha kufalitsa deta yosinthika mosiyanasiyana 0Kbps-14400bps baud rate. Chithunzi Chogulitsa 19inch 1U mtundu Mbali Zotengera kudzikonda kwa IC Support 3 mzere RS232 (TXD,RXD,GND), chithandizo cha CD,DSR,CTS Khalani ndi Loop Back Mode itatu: E1 mawonekedwe Loop Back (ANA)、RS232/485 / 422 mawonekedwe Loop Back (DIG)、Lamula RS232/485/422 mawonekedwe akutali Loop Back(REM) RS232/RS485/RS422 imathandizira pulagi yotentha, imathandizira kulumikizana kwa chipangizo cha DTE kapena DCE RS232/RS485/RS422 njira imatha kufalitsa ma data osinthika asynchronously 0Kbps-14400bps kuchuluka kwa baud BER Tester Serial port interface chitetezo champhezi chafikira IEC61000-4-5 (8/20μS) DM(Mode Wosiyana): 6KV, Impedance (2 Ohm), CM(Common Mode): 6KV, Impedance (2 Ohm) muyezo Perekani 2 impedances: 75 Ohm kusalinganika ndi 120 Ohm bwino; Itha kupanga E1 serial converter (A) --- E1 fiber optic Modem (B) --- fiber serial Modem (C) topology AC 220V, DC-48V, DC+24V, DC Power ndi Polarity-Free Parameters ♦ E1 mawonekedwe Chiyanjanitso Standard: kutsatira ndondomeko G.703; Chiyanjanitso Rate: 2048Kbps ± 50ppm; Chiyankhulo kodi: HDB3; Kulepheretsa: 75Ω (osalinganiza), 120Ω (yokwanira); Kulekerera kwa Jitter: Mogwirizana ndi protocol G.742 ndi G.823 Kuyimitsidwa Kuloledwa: 0~6dBm ♦ mawonekedwe a seri Standard EIA/TIA-232 RS-232 (ITU-T V.28) EIA/TIA-422 RS-422 (ITU -T V.11) EIA/TIA-485 RS-485 (ISO/IEC8284) Serial Interface RS-422: TXD+, TXD-, RXD+, RXD-, Signal Ground RS-485 4 mawaya: TXD+, TXD-, RXD+, RXD-, Signal Ground RS-485 2 mawaya: Corpond Data+(Respond Data+ TX+), Deta- (Zogwirizana TX-）, Signal Ground RS-232: RXD, TXD, Signal Ground ♦ Malo ogwirira ntchito: -10°C ~ 50°C Chinyezi chogwira ntchito: 5%~95 % (palibe condensation) Kutentha kosungira: -40°C ~ 80°C Chinyezi Chosungira: 5% ~ 95 % (palibe condensation) Mfundo Nambala Yachitsanzo: JHA-CE1D31/R31/Q31 Kufotokozera Kwantchito E1-31 Channel RS232/RS422/RS485 Converter Port Description One E1 Interface, 31 Data Interface Mphamvu yamagetsi: AC180V ~ 260V;DC -48V;DC +24VPower Kugwiritsa: ≤10W Dimension Dimension kukula: 485X138X44mm (WXDXH) Kulemera 2.0KG/chidutswa Kugwiritsa Ntchito Njira yothetsera 1 Njira yothetsera 2

Mwachidule JHA700-E212XI-HZ220 EPON HGU ndi imodzi mwamapangidwe a EPON Optical network unit kuti akwaniritse zofunikira za netiweki yofikira pa burodibandi. Imagwira ntchito mu FTTH/FTTO kuti ipereke data, mawu ndi ntchito zamakanema potengera netiweki ya EPON. EPON ndi mibadwo yaposachedwa yaukadaulo wapaintaneti. IEEE802.3ah ndiye protocol yokhazikika ya EPON. Muyezo wa EPON umasiyana ndi miyezo ina ya PON chifukwa umakwaniritsa ma bandwidth apamwamba komanso kuchita bwino kwambiri pogwiritsa ntchito mapaketi akulu, osinthasintha. EPON imapereka kulongedza bwino kwa kuchuluka kwa anthu omwe ali ndi kuchuluka kwa anthu, okhala ndi magawo amagawo omwe amalola kuti ntchito zamtundu wapamwamba (QOS) zizitha kulumikizana ndi mawu komanso makanema pamawu komanso makanema. Maukonde a EPON amapereka kudalirika ndi magwiridwe antchito omwe amayembekezeredwa pamabizinesi ndipo amapereka njira yowoneka bwino yoperekera ntchito zogona. EPON imathandizira kutumizidwa kwa Fiber To The Home (FTTH) mwachuma zomwe zimabweretsa kukula kokulirapo padziko lonse lapansi. JHA700-E212XI-HZ220 imapereka doko limodzi la POTS, FE imodzi ndi madoko a FE/GE odzisinthira okha a Ethernet. JHA700-E212XI-HZ220 imakhala ndi luso lotumiza zinthu zambiri kuti zitsimikizire kuti mumadziwa bwino kwambiri ndi ma VoIP, intaneti ndi makanema a HD. Chifukwa chake, JHA700-E212XI-HZ220 imapereka njira yabwino yothetsera vutoli komanso luso lamtsogolo lothandizira kutumizidwa kwa FTTH. Ili ndi kuyanjana kwa chipani chachitatu kuti igwire ntchito ndi gulu lachitatu la OLT, monga Huawei/ZTE/Fiberhome/Alcatel-Lucen. Mawonekedwe azinthu ndi matanthauzo a LED Kufotokozera Chizindikiro 1 Mphamvu ya PWR Yayatsidwa: ONT yayatsidwa; Yozimitsa: ONT yazimitsa; 2 PON ONT Register Pa: Kupambana kulembetsa ku OLT;Kuphethira: Mukulembetsa ku OLT;Kuzimitsa: Mukulembetsa ku OLT; 3 LOS GPON ma siginecha owoneka Yayatsidwa: Mphamvu yakuwala yotsika kuposa kukhudzika kwa wolandila ;Kuzimitsa: Kuwala mu doko la 4 FE / GE LAN Pamalo: Kulumikizana kwa Efaneti ndi kwabwinobwino;Kuthwanima: Deta ikutumizidwa kudzera pa doko la Efaneti;Kuzimitsa: Kulumikizana kwa Efaneti sikunachitike. khazikitsa; 5 TEL Udindo wapadoko la foni Yatsegulidwa:Kulumikizana pakati pa doko la TEL ndi seva ya mawu kwakhazikitsidwaKuBlinking:Ntchito ya mawu yapadoko la TEL yakhazikitsidwa;Kuzimitsa:Kulumikizana pakati pa doko la TEL ndi seva ya mawu sikunakhazikitsidwe. Mawonekedwe ♦ Yogwirizana kwathunthu ndi IEEE802.3ah ♦ Thandizani doko limodzi la POTS ♦ Thandizani madoko amodzi a FE ndi FE / GE auto-adapting Ethernet ♦ Support OAM ndi TR069 kwa kasamalidwe kakutali ♦ Kuthandizira Webusaiti yoyang'anira kwanuko ♦ Thandizani Auto-kukambirana ndi MDI/MDIX ♦ Thandizani mawonekedwe a mawonekedwe a Efaneti, njira yogwirira ntchito ndi kayendetsedwe ka kayendetsedwe kake ♦ Thandizo loopback ku UNI ♦ Kusefa paketi yothandizira ndi kuteteza mauthenga otsutsana ndi malamulo otsutsana ndi malamulo ♦ Thandizani ziwerengero za machitidwe a mizere ya Efaneti ♦ Thandizani VLAN tagged processing processing, traffic classification etc. SIP protocol ♦ Thandizani IGMP Snooping ♦ Thandizani AES-128 Mfundo Zazikulu Zazigawo Zofotokozera Chiyankhulo PON Port 1 EPON mawonekedwe owoneka bwino Kumanani ndi 1000BASE-PX20+ muyezo Symmetric 1.25Gbps kumtunda/kutsikira kwa SC single-mode fiber split chiyerekezo: 1:64 Mtunda wotumizira 20KM Efaneti Port(LAN) 1*10/110M ndi 110M / 100/1000M Auto-kukambilana RJ45 portsFull Duplex / Half-DuplexRJ45, Auto-MDI/MDI-X Transmission Distance 100 Meter POTS Port 1*RJ11 with 3RENMax 1km distanceBalanced mphete, 50V RMS Power Supply Port 12V DC input Management Network Management Standard ikugwirizana ndi IEEE mawonekedwe a OAM. 3 Thandizo TR-069 ndi WEB management Management Function Status monitor, Configuration management, Alarm management, Log management LED Indicator LEDS PWR: PowerLOS: Optical linkPON: ONU Register FE: Link Status of Ethernet Interface FE/GE: Link Status of Ethernet Interface TEL: Voice madoko Zofotokozera Zachilengedwe Chipolopolo Chapulasitiki Chosungira Mphamvu Zakunja 12V 1A DC chopangira magetsiKugwiritsa ntchito mphamvu: