Modul SFP dị mma - 40Gb/s QSFP+ ER4, 40km 1310nm SFP transceiver JHA-QC40 - JHA
Modul SFP dị mma - 40Gb/s QSFP+ ER4, 40km 1310nm SFP Transceiver JHA-QC40 - Nkọwa JHA:
Atụmatụ:
◊ 4 CWDM ụzọ MUX/DEMUX imewe
◊ Ruo 11.2Gbps kwa bandwit ọwa
◊ Mkpokọta bandwit> 40Gbps
◊ Duplex LC njikọ
◊ Dabara na 40G Ethernet IEEE802.3ba na 40GBASE-ER4 Standard
◊ QSFP MSA kwadoro
◊ Ihe nchọpụta foto APD
◊ Nfefe ruru 40km
◊ Dabara na ọnụego data QDR/DDR Infiniband
◊ Single + 3.3V ike ọkọnọ na-arụ ọrụ
◊ Ọrụ nchọpụta dijitalụ arụnyere n'ime ya
◊ Okpomọkụ sitere na 0°C ruo 70°C
◊ Akụkụ kwekọrọ na RoHS
Ngwa:
◊ Ọkwa na akwa akwa
◊ Data center Switches na Routers
◊ netwọkụ metro
◊ Switches na ndị na-anya ụgbọ ala
◊ Njikọ 40G BASE-ER4 Ethernet
Nkọwa:
JHA-QC40 bụ modul transceiver emebere maka ngwa nkwurịta okwu anya 40km. Nhazi ahụ dabara na 40GBASE-ER4 nke ọkọlọtọ IEEE P802.3ba. Modul na-atụgharị 4 ntinye ọwa (ch) nke 10Gb / s eletriki data na 4 CWDM akara ngosi anya, na multiplexes ha n'ime otu ọwa maka 40Gb / s ngwa anya nnyefe. N'aka nke ọzọ, n'akụkụ nke nnata, modul optically de-multiplexes a 40Gb / s ntinye n'ime 4 CWDM ọwa akara, na-atụgharị ha na 4 ọwa mmepụta data eletriki.
Ogologo wavelength nke etiti nke ọwa 4 CWDM bụ 1271, 1291, 1311 na 1331 nm dị ka ndị otu CWDM wavelength grid akọwapụtara na ITU-T G694.2. Ọ nwere njikọ LC duplex maka interface anya yana njikọ 38-pin maka ngwa eletrik. Iji wedata mgbasawanye anya na sistemu ogologo oge, a ga-etinyerịrị eriri otu mode (SMF) na modul a.
Emebere ngwaahịa a n'ụdị ụdị, njikọ anya/ọkụ eletrik na interface nchọpụta dijitalụ dị ka Agreement Multi-Source Agreement (MSA) QSFP siri dị. Emebere ya ka ọ zute ọnọdụ arụ ọrụ mpụga kacha sie ike gụnyere okpomọkụ, iru mmiri na ndabichi EMI.
Modul na-arụ ọrụ site na otu + 3.3V ike ọkọnọ na LVCMOS/LVTTL akara ngosi njikwa ụwa dị ka Module Present, Reset, Interrupt na Low Power Mode dị na modulu. Oghere Usoro nke waya abụọ dị maka izipu ma nata akara njikwa dị mgbagwoju anya yana ịnweta ozi nyocha dijitalụ. Enwere ike ilebara ọwa nke ọ bụla anya yana enwere ike mechie ọwa ndị na-ejighị ya maka mgbanwe nhazi kachasị.
Emebere JHA-QC40 na ụdị ihe, njikọ anya/ọkụ eletrik na interface nchọpụta dijitalụ dị ka Agreement Multi-Source Agreement (MSA) QSFP siri dị. Emebere ya ka ọ zute ọnọdụ arụ ọrụ mpụga kacha sie ike gụnyere okpomọkụ, iru mmiri na ndabichi EMI. Modul ahụ na-enye ọrụ dị oke elu yana njikọta njirimara, nke a na-enweta site na interface serial waya abụọ.
•Oke kacha oke
| Oke | Akara | Min. | Ụdị | Oke. | Nkeji |
| Okpomọkụ nchekwa | TS | -40 |
| +85 | Celsius C |
| Voltaji na-eweta | VCCT, R | -0.5 |
| 4 | V |
| Iru mmiri dị n'etiti | RH | 0 |
| 85 | % |
•Akwadorogburugburu arụ ọrụ:
| Oke | Akara | Min. | Ụdị | Oke. | Nkeji |
| Ọnọdụ okpomọkụ na-arụ ọrụ | TC | 0 |
| +70 | Celsius C |
| Voltaji na-eweta | VCCT, R | + 3.13 | 3.3 | + 3.47 | V |
| Nyefee ugbu a | ICC |
|
| 1000 | mA |
| Mgbasa ike | PD |
|
| 3.5 | N'ime |
•Àgwà ọkụ eletrik(TGBANYE = 0 ruo 70 Celsius C, VCC= 3.13 ruo 3.47 volts
| Oke | Akara | Min | Ụdị | Oke | Nkeji | Rịba ama |
| Ọnụego data kwa ọwa |
| - | 10.3125 | 11.2 | Gbps |
|
| Oriri ike |
| - | 2.5 | 3.5 | N'ime |
|
| Nyefee ugbu a | Icc |
| 0.75 | 1.0 | A |
|
| Njikwa I/O Voltaji-Elu | HIV | 2.0 |
| Vcc | V |
|
| Ejikwa voltaji I/O dị ala | GA-EME | 0 |
| 0.7 | V |
|
| Inter-Channel Skew | TSK |
|
| 150 | Ps |
|
| Ogologo oge nrụpụta |
|
| 10 |
| Anyị |
|
| RESETL Wepu oge nkwuputa |
|
|
| 100 | ms |
|
| Ike Na Oge |
|
|
| 100 | ms |
|
| Nyefe | ||||||
| Nlekere voltaji akwụsịla otu |
| 0.3 |
| 4 | V | 1 |
| Ụdị nkịtị nnabata voltaji |
| 15 |
|
| mV |
|
| Nyefee voltaji dị iche iche ntinye | ANYỊ | 150 |
| 1200 | mV |
|
| Nyefee ihe mgbochi dị iche na ntinye ntinye | AHỤMỤ | 85 | 100 | 115 |
|
|
| Jitter ntinye data dabere | DDJ |
| 0.3 |
| UI |
|
| Onye nnata | ||||||
| Nlekere voltaji akwụsịla otu |
| 0.3 |
| 4 | V |
|
| Mpụta Rx Diff Voltage | Vo | 370 | 600 | 950 | mV |
|
| Mpụta Rx Rise na Fall Voltage | Tr/Tf |
|
| 35 | ps | 1 |
| ngụkọta Jitter | TJ |
| 0.3 |
| UI |
|
Mara:
- 20~80%
•Ngwa anya (TOP = 0 ruo 70CelsiusC, VCC = 3.0 ruo 3.6V)
| Oke | Akara | Min | Ụdị | Oke | Nkeji | Ref. |
| Nyefe | ||||||
| Ọrụ Ogologo Ogologo | 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 |
| |
| Ratio nkwụsị nke akụkụ | SMSR | 30 | - | - | dB |
|
| Mgbakọta Nkezi Mwepụta Ike | PT | - | - | 8.3 | dBm |
|
| Nkezi Ike mmalite, Lane ọ bụla |
| -3 | - | 5 | dBm |
|
| TDP, Lane ọ bụla | TDP |
|
| 2.3 | dB |
|
| Oke mkpochapụ | BỤ | 3.5 | 6.0 |
| dB | |
| Nkọwa nkpuchi anya nke nnyefe {X1, X2, X3, Y1, Y2, Y3} |
| {0.25, 0.4, 0.45, 0.25, 0.28, 0.4} |
| |||
| Nleta mgbaghara ngwa anya |
| - | - | 20 | dB |
|
| Nkezi Mwepụta Ike Gbanyụọ Transmitter, Lane ọ bụla | Ụjọ |
|
| -30 | dBm |
|
| Mkpọtụ ike dị n'etiti | Ọzọkwa |
|
| -128 | dB/HZ | 1 |
| Nleta mgbaghara ngwa anya |
| - | - | 12 | dB |
|
| Onye nnata | ||||||
| Oke mmebi | THd | 3 |
|
| dBm | 1 |
| Nkezi Ike na ntinye nnabata, Lane ọ bụla | R | -iri abụọ na otu |
| -6 | dBm |
|
| Nata ọkụ eletrik 3 dB elu mbelata ugboro ole, Lane ọ bụla |
|
|
| 12.3 | GHz |
|
| RSSI ziri ezi |
| -2 |
| 2 | dB |
|
| Ntụleghachi nke nnata | Rrx |
|
| -26 | dB |
|
| Ike nnata (OMA), Lane ọ bụla |
| - | - | 3.5 | dBm |
|
| Nata Igwe ọkụ eletrik 3 dB elu Cutoff Frequency, Lane ọ bụla |
|
|
| 12.3 | GHz |
|
| LOS De-Nkwupụta | THED |
|
| -25 | dBm |
|
| LOS nkwupụta | THEA | -35 |
|
| dBm |
|
| LOS Hysteresis | THEH | 0.5 |
|
| dB |
|
Rịba ama
- Ntughari 12dB
•Interface nlekota nyocha
Ọrụ nlekota nyocha dijitalụ dị na QSFP+ ER4 niile. Oghere Usoro 2-waya na-enye onye ọrụ ka ọ kpọtụrụ modul. E gosipụtara nhazi nke ebe nchekwa na-asọpụta. A haziri oghere ebe nchekwa ka ọ bụrụ ibe dị ala, otu ibe, oghere adreesị nke 128 bytes yana ọtụtụ ibe oghere adreesị elu. Ihe owuwu a na-enye ohere ịnweta adreesị n'oge dị n'okpuru, dị ka Ọkọlọtọ Nkwụsị na Nyocha. Ntinye oge dị obere oge dị oke egwu, dị ka ozi ID serial na ntọala ọnụ ụzọ, dị na ọrụ Họrọ Page. Adreesị interface a na-eji bụ A0xh ma bụrụ nke a na-ejikarị eme ihe maka oge dị oke egwu data dị ka nkwụsịtụ njikwa iji mee ka otu oge gụọ maka data niile metụtara ọnọdụ nkwụsịtụ. Mgbe nkwụsịtụ gasịrị, ekwupụtala IntL, onye ọbịa nwere ike ịgụpụta mpaghara ọkọlọtọ iji chọpụta ọwa emetụtara na ụdị ọkọlọtọ.
Ọdịnaya ebe nchekwa EEPROM Serial ID (Ahuhu)
| Data adreesị | Ogologo | Aha nke Ogologo | Nkọwa na ọdịnaya | |
| Ogige NJ isi | ||||
| 128 | 1 | Ihe nchọpụta | Ụdị njirimara Module nsoro (D=QSFP+) | |
| 129 | 1 | Ext. Ihe nchọpụta | Ihe nchọpụta agbatịgoro nke Oghere Usoro Module(90=2.5W) | |
| 130 | 1 | Njikọ | Koodu ụdị njikọ (7=LC) | |
| 131-138 | 8 | Nkwekọrịta nkọwapụta | Koodu maka ndakọrịta eletrọnịkị ma ọ bụ ndakọrịta anya (40GBASE-LR4) | |
| 139 | 1 | Ntinye koodu | Koodu maka ngbanwe usoro algorithm (5=64B66B) | |
| 140 | 1 | BR, aha | Ọnụego ntanye aha, nkeji 100 MBits/s (6C=108) | |
| 141 | 1 | Ọnụego agbatịgoro họrọ nnabata | Mkpado maka ọnụọgụ agbatị họrọ nnabata | |
| 142 | 1 | Ogologo (SMF) | Ogologo njikọ akwadoro maka eriri SMF na km (28=40KM) | |
| 143 | 1 | Ogologo (OM3 50um) | Ogologo njikọ akwadoro maka EBW 50/125um fiber(OM3), nkeji nke 2m | |
| 144 | 1 | Ogologo (OM2 50um) | Ogologo njikọ akwadoro maka eriri 50/125um (OM2), nkeji 1m | |
| 145 | 1 | Ogologo (OM1 62.5um) | Ogologo njikọ akwadoro maka eriri 62.5/125um (OM1), nkeji 1m | |
| 146 | 1 | Ogologo (ọla kọpa) | Ogologo njikọ nke ọla kọpa ma ọ bụ eriri na-arụ ọrụ, jikọtara ọnụ nke ogologo njikọ 1m kwadoro maka 50/125um fiber (OM4), nkeji 2m mgbe Byte 147 na-ekwupụta 850nm VCSEL dị ka akọwara na Tebụl 37. | |
| 147 | 1 | Teknụzụ ngwaọrụ | Teknụzụ ngwaọrụ | |
| 148-163 | 16 | Aha onye na-ere ere | Aha onye na-ere QSFP+: TIBTRONIX (ASCII) | |
| 164 | 1 | Modul gbatịrị agbatị | Koodu modul agbatịgoro maka InfiniBand | |
| 165-167 | 3 | Onye na-ere ahịa EE | NJ ụlọ ọrụ IEEE onye na-ere QSFP+ (000840) | |
| 168-183 | 16 | Onye na-ere ahịa PN | Nọmba akụkụ: JHA-QC40 (ASCII) | |
| 184-185 | 2 | Onye na-ere ahịa rev | Ọkwa ngbanwe maka nọmba akụkụ nke onye na-ere ahịa (ASCII) nyere (X1) | |
| 186-187 | 2 | Ogologo ebili mmiri ma ọ bụ eriri ọla kọpa Attenuation | Ogologo ikuku laser aha (obere ogologo = uru / 20 na nm) ma ọ bụ attenuation eriri ọla kọpa na dB na 2.5GHz (Adrs 186) na 5.0GHz (Adrs 187) (65A4=1301) | |
| 188-189 | 2 | Nkwenye ogologo ogologo |
Ekwadoro nso nke ogologo ikuku laser (+/- uru) site na ọnụ ala ogologo ife efe. (Tol ogologo ogologo = uru/200 na nm) (1C84=36.5) | |
| 190 | 1 | Oke ọnọdụ okpomọkụ. | Okpomọkụ kachasị na ogo C (70) | |
| 191 | 1 | CC_BASE | Lelee koodu maka oghere ID ntọala (adreesị 128-190) | |
| Oghere ID agbatịkwuru | ||||
| 192-195 | 4 | Nhọrọ | Ọnụọgụgụ Họrọ, TX Gbanyụọ, Mmehie Tx, LOS, Ngosipụta ịdọ aka ná ntị maka: Okpomọkụ, VCC, RX, ike, TX Bias | |
| 196-211 | 16 | Onye na-ere ahịa SN | Nọmba nsoghere nke onye na-ere ahịa nyere (ASCII) | |
| 212-219 | 8 | Koodu ụbọchị | Koodu ụbọchị nrụpụta nke onye na-ere ere | |
| 220 | 1 | Ụdị nlekota nyocha | Na-egosi ụdị nlebanya nyocha nke etinyere (ọ bụrụ na ọ bụla) na Modul. Bit 1, 0 echekwara (8=Ọkara Ike) | |
| 221 | 1 | Nhọrọ ndị emelitere | Na-egosi atụmatụ agbakwunyere nhọrọ etinyere na modul. | |
| 222 | 1 | Echekwara | ||
| 223 | 1 | CC_EXT | Lelee koodu maka ubi ID agbatịkwuru (adreesị 192-222) | |
| Ebe NJ ndị na-ere ahịa akọwapụtara | ||||
| 224-255 | 32 | Onye na-ere ahịa Specific EEPROM | ||
•Oge maka njikwa dị nro na ọrụ ọnọdụ
| Oke | Akara | Oke | Nkeji | Ọnọdụ |
| Oge mmalite | t_init | 2000 | ms | Oge site na ike on1, plọg na-ekpo ọkụ ma ọ bụ ịrị elu nke Tọgharia ruo mgbe modul arụrụ ọrụ nke ọma2 |
| Tọgharịa oge ntinye ntinye | t_reset_init | 2 | μs | A na-emepụta nrụpụta site n'ogo dị ala karịa oge ntọgharị kacha nta dị na ntụtụ ResetL. |
| Oge akwadoro ngwaike ụgbọ ala serial | t_usoro | 2000 | ms | Oge site na ike na1 ruo mgbe modul zara maka nnyefe data n'elu bọs nwere waya abụọ |
| Nyochaa Njikere DataOge | t_data | 2000 | ms | Oge site na ike on1 ruo data adịghị njikere, bit 0 nke Byte 2, deasserted na IntL kwadoro |
| Tọgharịa oge nkwuputa | t_tọgharịa | 2000 | ms | Oge site na ịrị elu na ntụtụ ResetL ruo mgbe modul arụrụ ọrụ nke ọma2 |
| Oge nkwuputa LPMode | ton_LPMode | 100 | μs | Oge site na nkwuputa nke LPMode (Vin: LPMode = Vih) ruo mgbe oriri ike modul abanye n'ọkwa ike dị ala. |
| Oge nkwuputa IntL | ton_IntL | 200 | ms | Oge site na ọnọdụ ọnọdụ na-ebute IntL ruo Vout:IntL = Vol |
| Oge Deassert IntL | toff_IntL | 500 | μs | toff_IntL 500 μs Oge site na doro anya na ịgụ 3 ọrụ nke ọkọlọtọ metụtara ruo mgbe Vout:IntL = Voh. Nke a gụnyere oge deassert maka Rx LOS, Tx Fault na ibe n'ibe ọkọlọtọ ndị ọzọ. |
| Oge nkwuputa Rx LOS | ton_los | 100 | ms | Oge sitere na steeti Rx LOS ruo Rx LOS bit set na IntL kwuputara |
| Oge nkwuputa ọkọlọtọ | ton_flag | 200 | ms | Oge site na ọnọdụ ọnọdụ na-akpalite ọkọlọtọ ruo n'ọtọtụ ọkọlọtọ jikọtara yana IntL kwuputara |
| Oge nkpuchi mkpuchi | ton_nkpuchi | 100 | ms | Oge site na nkpuchi bit set4 ruo mgbe egbochiri nkwenye IntL metụtara |
| Oge ewepụrụ nkpuchi | toff_mask | 100 | ms | A kpochapụrụ oge site na ihe nkpuchi 4 ruo mgbe ọrụ Intl metụtara ga-amaliteghachi |
| Oge nkwuputa ModSelL | ton_ModSelL | 100 | μs | Oge site na nkwuputa nke ModSelL ruo mgbe modul zara nnyefe data n'elu bọs 2-waya. |
| Oge Deassert ModSelL | toff_ModSelL | 100 | μs | Oge site na deassertion nke ModSelL ruo mgbe modul anaghị azaghachi na nnyefe data n'elu ụgbọ ala 2-waya. |
| Ike_over-ịnya ma ọ bụOge Nkwanye Ike | ton_Pdown | 100 | ms | Oge site na P_Down bit setịpụrụ 4 ruo mgbe oriri ike modul na-abanye n'ọkwa ike dị ala |
| Ike_over-ride ma ọ bụ Oge mwepu-atọkwa ike | toff_Pdown | 300 | ms | Oge site na P_Down bit ekpochapụ4 ruo mgbe modul arụrụ ọrụ nke ọma3 |
Rịba ama:
1. A na-akọwa ike ọkụ dị ka ngwa ngwa mgbe voltaji ọkọnọ ruru ma nọgide na ma ọ bụ karịa uru kacha nta akọwapụtara.
2. A kọwapụtara arụmọrụ zuru oke dị ka IntL siri kwupụta n'ihi data adịghị njikere bit, bit 0 byte 2 de-ekwuputa.
3. Atụtara site na ọdịda elekere mgbe nkwụsịtụ nke azụmahịa gụchara.
4. Atụtara site na ọdịda elekere ọdịda mgbe nkwụsịtụ nke ide azụmahịa.
•Eserese ihe mgbochi transceiver
•Pin Ọrụ
Eserese nke Host Board Connector Block Pin Numbers and Name
•NtụtụNkọwa
| Ntụtụ | Ezi uche | Akara | Aha/Nkọwapụta | Ref. |
| 1 |
| GND | Ala | 1 |
| 2 | CML-I | Tx2n | Ntinye data ntụgharị atụgharịgharị |
|
| 3 | CML-I | Tx2 p | Mbupute data anaghị agbanwe agbanwe |
|
| 4 |
| GND | Ala | 1 |
| 5 | CML-I | Tx4n | Mbupute data ntụgharị transmitter |
|
| 6 | CML-I | Tx4p | Mbupute data anaghị atụgharị ebugharị |
|
| 7 |
| GND | Ala | 1 |
| 8 | LVTTL-I | ModSelL | Họrọ Modul |
|
| 9 | LVTTL-I | TọghariaL | Ntọgharị modul |
|
| 10 |
| VccRx | + 3.3V Onye na-anata ike | 2 |
| 11 | LVCMOS-I/O | SCL | 2- Waya Serial Interface elekere |
|
| 12 | LVCMOS-I/O | SDA | 2-Wire Serial Interface Data |
|
| 13 |
| GND | Ala | 1 |
| 14 | CML-O | Rx3p | Mmepụta data atụgharịrị nke nnata |
|
| 15 | CML-O | Rx3n | Mmepụta data anaghị atụgharị nnata |
|
| 16 |
| GND | Ala | 1 |
| 17 | CML-O | Rx1p | Mmepụta data atụgharịrị nke nnata |
|
| 18 | CML-O | Rx1n | Mmepụta data anaghị atụgharị nnata |
|
| 19 |
| GND | Ala | 1 |
| 20 |
| GND | Ala | 1 |
| iri abụọ na otu | CML-O | Rx2n | Mmepụta data atụgharịrị nke nnata |
|
| iri abụọ na abụọ | CML-O | Rx2p | Mmepụta data anaghị atụgharị nnata |
|
| iri abụọ na atọ |
| GND | Ala | 1 |
| iri abụọ na anọ | CML-O | Rx4n | Mmepụta data atụgharịrị nke nnata |
|
| 25 | CML-O | Rx4p | Mmepụta data anaghị atụgharị nnata |
|
| 26 |
| GND | Ala | 1 |
| 27 | LVTTL-O | ModPrsL | Modul dị ugbu a |
|
| 28 | LVTTL-O | IntL | Kwụsị |
|
| 29 |
| VccTx | + 3.3V Onye na-ebunye ike | 2 |
| 30 |
| Vcc1 | + 3.3V ike ọkọnọ | 2 |
| 31 | LVTTL-I | LPMode | Ụdị Ike dị ala |
|
| 32 |
| GND | Ala | 1 |
| 33 | CML-I | Tx 3 p | Mbupute data ntụgharị transmitter |
|
| 34 | CML-I | Tx3n | Mbupute data anaghị atụgharị ebugharị |
|
| 35 |
| GND | Ala | 1 |
| 36 | CML-I | Tx1p | Mbupute data ntụgharị transmitter |
|
| 37 | CML-I | Tx1n | Mbupute data anaghị atụgharị ebugharị |
|
| 38 |
| GND | Ala | 1 |
ndetu:
- GND bụ akara maka otu na ọkọnọ (ike) nke a na-ahụkarị maka modul QSFP, Ha niile na-ahụkarị n'ime modul QSFP yana voltaji modul niile na-ezo aka na nke a nwere ike ịpụta. Jikọọ ihe ndị a ozugbo na mgbama ụgbọ elu nkịtị nke bọọdụ nnabata. Nrụpụta laser agbanyụrụ na TDIS>2.0V ma ọ bụ meghere, agbanyere na TDIS
- VccRx, Vcc1 na VccTx bụ ndị nnata na ndị na-ebunye ike na-ebunye ma a ga-etinye ya n'otu oge. A na-egosi nzacha ọkụ ọkụ bọọdụ ndị ọbịa akwadoro n'okpuru. Enwere ike jikọọ VccRx, Vcc1 na VccTx n'ime modul transceiver QSFP na ngwakọta ọ bụla. Enyere ntụtụ njikọ nke ọ bụla maka oke ugbu a nke 500mA.
•Sekit akwadoro
•Akụkụ igwe
Foto nkọwa ngwaahịa:
Ntuziaka ngwaahịa emetụtara:
A na-ahụta ngwaahịa anyị n'ụzọ zuru oke ma bụrụ ndị a pụrụ ịdabere na ya site na ndị ọrụ njedebe ma nwee ike izute mgbe niile na-agbanwe ego na mmekọrịta ọha na eze na-achọ ezigbo mma SFP Module - 40Gb / s QSFP + ER4, 40km 1310nm SFP Transceiver JHA-QC40 - JHA, ngwaahịa ahụ ga-enye ihe niile. ụwa, dị ka: Armenia, Australia, Uruguay, Ka ị na-eji ihe onwunwe si na mgbasa ozi na mba ahia, anyị na-anabata ndị na-azụ ahịa si n'ebe niile n'ịntanetị na n'ịntanetị. N'agbanyeghị ezigbo mma ngwọta anyị na-enye, irè na-eju afọ consulting ọrụ na-ọnọ site anyị ọkachamara mgbe-ire ọrụ otu. A ga-ezigara gị ndepụta ngwaahịa na paramita zuru ezu yana ozi ọ bụla ọzọ n'oge maka ajụjụ gị. Yabụ biko kpọtụrụ anyị site na izipu anyị email ma ọ bụ kpọọ anyị ma ọ bụrụ na ị nwere ajụjụ ọ bụla gbasara ụlọ ọrụ anyị. ị nwekwara ike nweta ozi adreesị anyị site na ibe weebụ anyị wee bịa na ụlọ ọrụ anyị iji nweta nyocha ubi nke ngwa ahịa anyị. Anyị nwere obi ike na anyị ga-ekekọrịta ihe ọ rụpụtara ma mepụta mmekọrịta siri ike na ndị enyi anyị n'ahịa a. Anyị na-achọ ajụjụ gị.
Site na Martin Tesch si Czech - 2017.06.19 13:51 Onye na-eweta ngwaahịa a na-enye ngwaahịa dị elu mana ọnụ ahịa dị ala, ọ bụ ezigbo nrụpụta na onye mmekọ azụmahịa.
Site na Yannick Vergoz si Lucerne - 2018.12.10 7:03 ehihie 
