China Yogulitsa LC Lumikizani Quotes wopanga - 40Gb/s QSFP+ ER4, 40km 1310nm SFP Transceiver JHA-QC40 - JHA
China Wholesale LC Connect Quotes Manufacturer - 40Gb/s QSFP+ ER4, 40km 1310nm SFP Transceiver JHA-QC40 - JHA Tsatanetsatane:
Mawonekedwe:
◊ 4 CWDM kamangidwe ka MUX/DEMUX
◊ Kufikira 11.2Gbps pa bandwidth iliyonse
◊ Aggregate bandwidth > 40Gbps
◊ Cholumikizira cha Duplex LC
◊ Kugwirizana ndi 40G Ethernet IEEE802.3ba ndi 40GBASE-ER4 Standard
◊ QSFP MSA imagwirizana
◊ chowunikira chithunzi cha APD
◊ Kutumiza mpaka 40 km
◊ Imagwirizana ndi mitengo ya data ya QDR/DDR Infiniband
◊ Single +3.3V magetsi akugwira ntchito
◊ Ntchito zowunikira za digito zomangidwa
◊ Kutentha kosiyanasiyana 0°C mpaka 70°C
◊ Gawo Logwirizana ndi RoHS
Mapulogalamu:
◊ Rack to rack
◊ Malo opangira data Kusintha ndi Ma routers
◊ Ma network a Metro
◊ Kusintha ndi Ma router
◊ 40G BASE-ER4 Ethernet Maulalo
Kufotokozera:
JHA-QC40 ndi gawo la transceiver lopangidwira 40km optical communication applications. Mapangidwewo amagwirizana ndi 40GBASE-ER4 ya IEEE P802.3ba muyezo. Gawoli limasintha njira za 4 zolowetsa (ch) za deta yamagetsi ya 10Gb / s ku zizindikiro za kuwala kwa 4 CWDM, ndipo zimawachulukitsa mu njira imodzi ya 40Gb / s optical transmission. Mosiyana, kumbali yolandila, module optically de-multiplexes a 40Gb / s kulowetsa muzitsulo za 4 CWDM, ndikuwatembenuzira ku deta yamagetsi ya 4.
Mafunde apakati a njira za 4 CWDM ndi 1271, 1291, 1311 ndi 1331 nm monga mamembala a CWDM wavelength grid akufotokozedwa mu ITU-T G694.2. Ili ndi cholumikizira cha duplex LC cholumikizira mawonekedwe owoneka bwino ndi cholumikizira cha 38-pin cha mawonekedwe amagetsi. Kuti muchepetse kufalikira kwa kuwala munjira yayitali, fiber single-mode (SMF) iyenera kugwiritsidwa ntchito mu gawoli.
Chogulitsacho chimapangidwa ndi mawonekedwe, mawonekedwe owoneka / magetsi komanso mawonekedwe a digito malinga ndi QSFP Multi-Source Agreement (MSA). Lapangidwa kuti likwaniritse zovuta zogwirira ntchito zakunja kuphatikiza kutentha, chinyezi ndi kusokoneza kwa EMI.
Gawoli limagwira ntchito kuchokera ku mphamvu imodzi ya + 3.3V ndi zizindikiro zolamulira zapadziko lonse za LVCMOS / LVTTL monga Module Present, Reset, Interrupt and Low Power Mode zilipo ndi ma modules. A 2-waya serial mawonekedwe akupezeka kuti atumize ndi kulandira zizindikiro zowongolera zovuta komanso kupeza chidziwitso cha digito. Makanema apawokha amatha kuyan'anidwa ndipo mayendedwe osagwiritsidwa ntchito amatha kutsekedwa kuti azitha kusinthasintha kwambiri.
JHA-QC40 idapangidwa ndi mawonekedwe, kulumikizana kwamagetsi / kuwala komanso mawonekedwe a digito malinga ndi QSFP Multi-Source Agreement (MSA). Lapangidwa kuti likwaniritse zovuta zogwirira ntchito zakunja kuphatikiza kutentha, chinyezi ndi kusokoneza kwa EMI. Gawoli limapereka magwiridwe antchito apamwamba kwambiri komanso kuphatikiza kwazinthu, kupezeka kudzera pamawonekedwe a waya awiri.
•Mtheradi Maximum Mavoti
Parameter | Chizindikiro | Min. | Chitsanzo | Max. | Chigawo |
Kutentha Kosungirako | TS | -40 |
| + 85 | °C |
Supply Voltage | VCCT, R | -0.5 |
| 4 | V |
Chinyezi Chachibale | RH | 0 |
| 85 | % |
•AnalimbikitsaMalo Ogwirira Ntchito:
Parameter | Chizindikiro | Min. | Chitsanzo | Max. | Chigawo |
Kutentha kwa ntchito | TC | 0 |
| + 70 | °C |
Supply Voltage | VCCT, R | + 3.13 | 3.3 | + 3.47 | V |
Supply Current | IneCC |
|
| 1000 | mA |
Kutaya Mphamvu | PD |
|
| 3.5 | MU |
•Makhalidwe Amagetsi(TON = 0 mpaka 70 °C, VCC= 3.13 mpaka 3.47 V
Parameter | Chizindikiro | Min | Mtundu | Max | Chigawo | Zindikirani |
Mtengo wa Data pa Channel |
| - | 10.3125 | 11.2 | Gbps |
|
Kugwiritsa Ntchito Mphamvu |
| - | 2.5 | 3.5 | MU |
|
Supply Current | Icc |
| 0.75 | 1.0 | A |
|
Control I/O Voltage-High | HIV | 2.0 |
| Vcc | V |
|
Control I/O Voltage-Low | CHIFUNIRO | 0 |
| 0.7 | V |
|
Inter-Channel Skew | TSK |
|
| 150 | Sal |
|
Nthawi ya RESETL |
|
| 10 |
| Ife |
|
RESETL De-assert nthawi |
|
|
| 100 | Ms |
|
Mphamvu Pa Nthawi |
|
|
| 100 | Ms |
|
Wotumiza | ||||||
Kulekerera kwa Voltage Kumodzi Komaliza |
| 0.3 |
| 4 | V | 1 |
Common mode Voltage Tolerance |
| 15 |
|
| mv |
|
Transmit Input Diff Voltage | IFE | 150 |
| 1200 | mv |
|
Transmit Input Diff Impedance | CHENJEZO | 85 | 100 | 115 |
|
|
Data Dependent Input Jitter | DDJ |
| 0.3 |
| UI |
|
Wolandira | ||||||
Kulekerera kwa Voltage Kumodzi Komaliza |
| 0.3 |
| 4 | V |
|
Mphamvu ya Rx Output Diff Voltage | Vo | 370 | 600 | 950 | mv |
|
Rx Output Rise and Fall Voltage | Tr/Tf |
|
| 35 | ps | 1 |
Total Jitter | TJ |
| 0.3 |
| UI |
|
Zindikirani:
- 20~80%
•Optical Parameters(TOP = 0 mpaka 70°C, VCC = 3.0 mpaka 3.6 Volts)
Parameter | Chizindikiro | Min | Mtundu | Max | Chigawo | Ref. |
Wotumiza | ||||||
Ntchito ya Wavelength | L0 | 1264.5 | 1271 | 1277.5 | nm |
|
L1 | 1284.5 | 1291 | 1297.5 | nm |
| |
L2 | 1304.5 | 1311 | 1317.5 | nm |
| |
L3 | 1324.5 | 1331 | 1337.5 | nm |
| |
Side-mode Suppression Ratio | SMSR | 30 | - | - | dB |
|
Total Average Launch Power | PT | - | - | 8.3 | dBm |
|
Avereji Yoyambitsa Mphamvu, Njira iliyonse |
| -3 | - | 5 | dBm |
|
TDP, Lane iliyonse | TDP |
|
| 2.3 | dB |
|
Mlingo wa Extinction | NDI | 3.5 | 6.0 |
| dB | |
Tanthauzo la Chigoba cha Diso la Transmitter {X1, X2, X3, Y1, Y2, Y3} |
| {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} |
| |||
Optical Return Loss Tolerance |
| - | - | 20 | dB |
|
Average Launch Power OFF Transmitter, Njira iliyonse | Poof |
|
| -30 | dBm |
|
Relative Intensity Noise | Komanso |
|
| -128 | dB/HZ | 1 |
Optical Return Loss Tolerance |
| - | - | 12 | dB |
|
Wolandira | ||||||
Kuwonongeka Kwambiri | THd | 3 |
|
| dBm | 1 |
Avereji ya Mphamvu pa Kulowetsa kwa Receiver, Njira iliyonse | R | -makumi awiri ndi mphambu imodzi |
| -6 | dBm |
|
Landirani Magetsi 3 dB kumtunda kwa Dulani pafupipafupi, Njira iliyonse |
|
|
| 12.3 | GHz |
|
Kulondola kwa RSSI |
| -2 |
| 2 | dB |
|
Receiver Reflectance | Rrx |
|
| -26 | dB |
|
Receiver Power (OMA), Njira iliyonse |
| - | - | 3.5 | dBm |
|
Landirani Magetsi 3 dB kumtunda kwa Cutoff Frequency, Njira iliyonse |
|
|
| 12.3 | GHz |
|
LOS De-Assert | THED |
|
| -25 | dBm |
|
Chithunzi cha LOS | THEA | -35 |
|
| dBm |
|
LOS Hysteresis | THEH | 0.5 |
|
| dB |
|
Zindikirani
- 12dB Chiwonetsero
•Diagnostic Monitoring Interface
Digital diagnostics monitoring ntchito ikupezeka pa QSFP + ER4 yonse. Mawonekedwe a 2-waya siriyo amapereka wosuta kulumikizana ndi module. Mapangidwe a kukumbukira akuwonetsedwa mukuyenda. Malo okumbukira amakonzedwa kukhala apansi, tsamba limodzi, malo adilesi a 128 byte ndi masamba angapo apamwamba adilesi. Kapangidwe kameneka kamalola kuti maadiresi omwe ali patsamba lapansi azitha kufika panthaŵi yake, monga Interrupt Flags and Monitors. Zolemba zocheperako za nthawi yovuta, monga chidziwitso cha serial ID ndi zoikamo pakhomo, zilipo ndi ntchito ya Tsamba Sankhani. Mawonekedwe adilesi omwe amagwiritsidwa ntchito ndi A0xh ndipo amagwiritsidwa ntchito makamaka pa nthawi yovuta kwambiri monga kusokoneza kusokoneza kuti athe kuwerengera kamodzi kwa deta yonse yokhudzana ndi vuto losokoneza. Pambuyo pa kusokoneza, IntL yatsimikiziridwa, wolandirayo akhoza kuwerenga mzere wa mbendera kuti adziwe njira yomwe yakhudzidwa ndi mtundu wa mbendera.
Zamkatimu za Memory ID ya EEPROM (Ah)
Zambiri Adilesi | Utali | Dzina la Utali | Kufotokozera ndi Zamkatimu | |
Minda ya ID Yoyambira | ||||
128 | 1 | Chizindikiritso | Mtundu wa Chizindikiritso cha serial Module(D=QSFP+) | |
129 | 1 | Zowonjezera. Chizindikiritso | Chizindikiritso Chowonjezera cha Seri Module(90=2.5W) | |
130 | 1 | Cholumikizira | Khodi ya cholumikizira (7=LC) | |
131-138 | 8 | Kutsata kwatsatanetsatane | Khodi yogwirizana ndi zamagetsi kapena kuwala kwamagetsi (40GBASE-LR4) | |
139 | 1 | Encoding | Khodi ya siriyo kabisidwe aligorivimu(5=64B66B) | |
140 | 1 | BR, Dzina | Mtengo wocheperako, magawo a 100 MBits/s(6C=108) | |
141 | 1 | Matengo owonjezera sankhani Kutsatira | Ma tag owonjezera sankhani kutsatira | |
142 | 1 | Utali (SMF) | Kutalika kwa ulalo kumathandizidwa ndi SMF fiber mu km (28=40KM) | |
143 | 1 | Utali (OM3 50um) | Kutalika kwa ulalo wothandizidwa ndi EBW 50/125um CHIKWANGWANI (OM3), mayunitsi a 2m | |
144 | 1 | Utali (OM2 50um) | Kutalika kwa ulalo kumathandizidwa ndi 50/125um fiber (OM2), mayunitsi a 1m | |
145 | 1 | Utali (OM1 62.5um) | Kutalika kwa ulalo kumathandizidwa ndi 62.5/125um fiber (OM1), mayunitsi a 1m | |
146 | 1 | Utali (Mkuwa) | Lumikizani kutalika kwa chingwe chamkuwa kapena chogwira ntchito, chimagwirizanitsa kutalika kwa 1m Link yothandizidwa ndi 50/125um fiber (OM4), mayunitsi a 2m pamene Byte 147 ilengeza 850nm VCSEL monga tafotokozera mu Table 37 | |
147 | 1 | Chipangizo chamakono | Zipangizo zamakono | |
148-163 | 16 | Dzina la ogulitsa | QSFP+ dzina la ogulitsa: TIBTRONIX (ASCII) | |
164 | 1 | Module Yowonjezera | Ma Module Owonjezera a InfiniBand | |
165-167 | 3 | Wogulitsa YES | ID ya kampani ya QSFP + IEEE (000840) | |
168-183 | 16 | Wogulitsa PN | Nambala yagawo: JHA-QC40 (ASCII) | |
184-185 | 2 | Vendor rev | Mulingo wobwerezanso wa gawo lina loperekedwa ndi wogulitsa (ASCII) (X1) | |
186-187 | 2 | Kutalika kwa mafunde kapena Chingwe cha Copper Attenuation | Laser wavelength mwadzina (wavelength=mtengo/20 mu nm) kapena kutsitsa chingwe chamkuwa mu dB pa 2.5GHz (Adrs 186) ndi 5.0GHz (Adrs 187) (65A4=1301) | |
188-189 | 2 | Kulekerera kwa Wavelength |
Mtundu wotsimikizika wa laser wavelength(+/- mtengo) kuchokera mwadzina kutalika kwa mafunde. (wavelength Tol.=mtengo/200 mu nm) (1C84=36.5) | |
190 | 1 | Max kesi temp. | Kutentha kwakukulu kwa kutentha kwa madigiri C (70) | |
191 | 1 | CC_BASE | Chongani khodi ya maziko a ID (maadiresi 128-190) | |
Ma ID owonjezera | ||||
192-195 | 4 | Zosankha | Rate Select, TX Khutsani, Tx Fault, LOS, Zizindikiro Zochenjeza za: Kutentha, VCC, RX, mphamvu, TX Bias | |
196-211 | 16 | Wogulitsa SN | Nambala ya seri yoperekedwa ndi wogulitsa (ASCII) | |
212-219 | 8 | Date Kodi | Nambala ya deti la wopanga | |
220 | 1 | Diagnostic Monitoring Type | Imawonetsa kuti ndi mitundu iti yowunikira matenda yomwe ikugwiritsidwa ntchito (ngati ilipo) mu gawoli. Bit 1, 0 Yosungidwa (8=Average Power) | |
221 | 1 | Zosankha Zowonjezera | Imawonetsa kuti ndi zinthu ziti zowonjezera zomwe zakhazikitsidwa mu module. | |
222 | 1 | Zosungidwa | ||
223 | 1 | CC_EXT | Chongani khodi ya Extended ID Fields (maadiresi 192-222) | |
Minda Ya ID Yotsimikizika Yogulitsa | ||||
224-255 | 32 | Wogulitsa Wachindunji EEPROM |
•Nthawi ya Soft Control ndi Status Functions
Parameter | Chizindikiro | Max | Chigawo | Mikhalidwe |
Nthawi Yoyambitsa | t_ini | 2000 | Ms | Nthawi kuchokera pamagetsi pa1, pulagi yotentha kapena kukwera m'mphepete mwa Bwezerani mpaka gawoli likugwira ntchito2 |
Bwezerani Nthawi Yoyambira Yoyambira | t_reset_init | 2 | μs | Kubwezeretsanso kumapangidwa ndi mulingo wocheperako wotalikirapo kuposa nthawi yocheperako yomwe ilipo pa ResetL pin. |
Seri Bus Hardware Ready Time | t_mndandanda | 2000 | Ms | Nthawi kuchokera pamagetsi pa1 mpaka gawo litayankhidwa ndi kutumiza kwa data pa 2-waya serial bus |
Monitor Data ReadyNthawi | t_data | 2000 | Ms | Nthawi yochokera kumphamvu kupita ku1 kupita ku data yomwe sinakonzekere, pang'ono 0 ya Byte 2, yodetsedwa ndipo IntL idatsimikiza |
Bwezerani Nthawi Yowonjezera | t_kusintha | 2000 | Ms | Nthawi yochokera kumtunda kwa pini ya ResetL mpaka gawoli likugwira ntchito bwino2 |
LPMode Assert Time | ton_LPMode | 100 | μs | Nthawi kuyambira kutsimikizira kwa LPMode (Vin: LPMode = Vih) mpaka kugwiritsa ntchito mphamvu kwa module kulowetsa Mphamvu yotsika |
Nthawi ya IntL Assert | toni_IntL | 200 | Ms | Nthawi kuchokera pazochitika zomwe zimayambitsa IntL mpaka Vout:IntL = Vol |
Nthawi ya IntL Deassert | toff_IntL | 500 | μs | toff_IntL 500 μs Nthawi kuyambira poyera pa read3 kugwira ntchito kwa mbendera yogwirizana mpaka Vout:IntL = Voh. Izi zikuphatikiza nthawi zophatikizira Rx LOS, Tx Fault ndi mabendera ena. |
Rx LOS Assert Nthawi | toni_los | 100 | Ms | Nthawi yochokera ku Rx LOS state kupita ku Rx LOS bit set ndi IntL idatsimikiza |
Nthawi Yotsimikizira Mbendera | tani_mbendera | 200 | Ms | Nthawi kuchokera pazochitika zomwe zikuyambitsa mbendera kupita kugulu logwirizana ndi mbendera ndipo IntL idatsimikiza |
Mask Assert Time | toni_maski | 100 | Ms | Nthawi yochokera ku mask bit set4 mpaka kutsimikiza kwa IntL kuletsedwa |
Mask De-asserted Time | toff_mask | 100 | Ms | Nthawi kuchokera ku mask bit cleared4 mpaka ntchito yogwirizana ya IntlL iyambiranso |
ModSelL Assert Time | ton_ModSelL | 100 | μs | Nthawi kuyambira kutsimikizira kwa ModSelL mpaka gawo likuyankha kutumizidwa kwa data pa 2-waya serial bus |
ModSelL Deassert Time | toff_ModSelL | 100 | μs | Nthawi kuchokera ku dessertion ya ModSelL mpaka gawoli siliyankha kufalitsa kwa data pa 2-waya serial bus. |
Mphamvu_kupitirira-kukwera kapenaNthawi Yowonjezera Mphamvu | toni_Pdown | 100 | Ms | Nthawi yochokera ku P_Down bit set 4 mpaka kugwiritsa ntchito mphamvu kwa module kulowetsa Mphamvu yotsika |
Power_over-ride kapena Power-set De-assert Time | toff_Pdown | 300 | Ms | Nthawi kuchokera ku P_Down bit cleared4 mpaka gawoli likugwira ntchito bwino3 |
Zindikirani:
1. Mphamvu yamagetsi imatanthauzidwa ngati nthawi yomweyo pamene magetsi amagetsi afika ndikukhalabe kapena pamwamba pa mtengo wochepa wotchulidwa.
2. Kugwira ntchito mokwanira kumatanthauzidwa kuti IntL imanenedweratu chifukwa cha data yomwe sinakonzekere pang'ono, bit 0 byte 2 de-asserted.
3. Kuyezedwa kuchokera m'mphepete mwa wotchi pambuyo poyimitsa pang'ono powerenga.
4. Kuyezedwa kuchokera m'mphepete mwa wotchi pambuyo poyimitsa pang'ono polemba.
•Chithunzi cha Transceiver Block
•Pin Ntchito
Chithunzi cha Host Board Connector Block Pin Nambala ndi Dzina
•PinKufotokozera
Pin | Zomveka | Chizindikiro | Dzina/Mafotokozedwe | Ref. |
1 |
| GND | Pansi | 1 |
2 | CML-I | tx2n | Kulowetsa kwa data ya Transmitter |
|
3 | CML-I | tx2 p | Transmitter Non-Inverted Data output |
|
4 |
| GND | Pansi | 1 |
5 | CML-I | tx4n | Transmitter Inverted Data Output |
|
6 | CML-I | tx4p | Zotulutsa Zosasinthika za Transmitter |
|
7 |
| GND | Pansi | 1 |
8 | LVTTL-I | ModSel | Sankhani Module |
|
9 | LVTTL-I | Bwezerani L | Kusintha kwa Module |
|
10 |
| VccRx | + 3.3V Wolandila Magetsi | 2 |
11 | LVCMOS-I/O | Mtengo wa magawo SCL | 2-Waya Serial Interface Clock |
|
12 | LVCMOS-I/O | SDA | 2-Waya seri Interface Data |
|
13 |
| GND | Pansi | 1 |
14 | CML-O | rx3p | Receiver Inverted Data Output |
|
15 | CML-O | Rx3n | Receiver Non-Inverted Data Output |
|
16 |
| GND | Pansi | 1 |
17 | CML-O | Rx1p | Receiver Inverted Data Output |
|
18 | CML-O | Rx1n | Receiver Non-Inverted Data Output |
|
19 |
| GND | Pansi | 1 |
20 |
| GND | Pansi | 1 |
makumi awiri ndi mphambu imodzi | CML-O | Rx2n | Receiver Inverted Data Output |
|
makumi awiri ndimphambu ziwiri | CML-O | Rx2p | Receiver Non-Inverted Data Output |
|
makumi awiri ndi mphambu zitatu |
| GND | Pansi | 1 |
makumi awiri ndi mphambu zinayi | CML-O | Rx4n | Receiver Inverted Data Output |
|
25 | CML-O | rx4p | Receiver Non-Inverted Data Output |
|
26 |
| GND | Pansi | 1 |
27 | Chithunzi cha LVTTL-O | ModPrsL | Module Present |
|
28 | Chithunzi cha LVTTL-O | IntL | Dumitsani |
|
29 |
| VccTx | + 3.3V Power Supply Transmitter | 2 |
30 |
| Vcc1 | + 3.3V Kupereka Mphamvu | 2 |
31 | LVTTL-I | LPMode | Low Power Mode |
|
32 |
| GND | Pansi | 1 |
33 | CML-I | tx3 p | Transmitter Inverted Data Output |
|
34 | CML-I | Tx3n | Zotulutsa Zosasinthika za Transmitter |
|
35 |
| GND | Pansi | 1 |
36 | CML-I | tx1p | Transmitter Inverted Data Output |
|
37 | CML-I | Tx1n | Zotulutsa Zosasinthika za Transmitter |
|
38 |
| GND | Pansi | 1 |
Ndemanga:
- GND ndiye chizindikiro cha single and supply(mphamvu) yodziwika bwino pama module a QSFP, Zonse ndizofala mkati mwa gawo la QSFP ndipo ma voltages onse amatchulidwira ku izi zomwe zadziwika mwanjira ina. Lumikizani izi molunjika ku gulu lokhala ndi chizindikiro cha common ground. Kutulutsa kwa laser kumayimitsidwa pa TDIS> 2.0V kapena kutsegulidwa, kuyatsa pa TDIS
- VccRx, Vcc1 ndi VccTx ndi omwe amalandila ndi kutumiza magetsi ndipo azigwiritsidwa ntchito nthawi imodzi. Alangizidwa khamu board mphamvu zosefera zikuwonetsedwa pansipa. VccRx, Vcc1 ndi VccTx akhoza kulumikizidwa mkati mkati mwa QSFP transceiver module mu kuphatikiza kulikonse. Zikhomo zolumikizira zimavotera chilichonse kuti chikhale choposa 500mA.
•Alangizidwa Circuit
•Makulidwe a Makina
Zithunzi zatsatanetsatane wazinthu:
Zogwirizana nazo:
Ziribe kanthu wogula watsopano kapena kasitomala wakale, Timakhulupirira mukulankhula kwautali kwambiri komanso ubale wodalirika wa China Wholesale LC Connect Quotes Manufacturer - 40Gb/s QSFP+ ER4, 40km 1310nm SFP Transceiver JHA-QC40 – JHA , Zogulitsa zidzaperekedwa padziko lonse lapansi , monga: Germany, Lithuania, Greece, Timatsatira moona mtima, kothandiza, kothandiza wopambana wothamanga ntchito ndi nzeru zamabizinesi okhudzana ndi anthu. Ubwino wabwino kwambiri, mtengo wololera komanso kukhutira kwamakasitomala kumatsatiridwa nthawi zonse! Ngati muli ndi chidwi ndi katundu wathu, ingoyesani kutilankhulana ife kuti mumve zambiri!
Wolemba Steven waku Bangkok - 2018.07.26 16:51
Iyi ndi bizinesi yoyamba kampani yathu itakhazikitsa, zogulitsa ndi ntchito ndizokhutiritsa kwambiri, tili ndi chiyambi chabwino, tikuyembekeza kugwirizana mosalekeza mtsogolo!
Wolemba Madeline wochokera ku Detroit - 2018.02.12 14:52