Lub GPON OLT Transceiver module yog tsim los rau Gigabit Ethernet Passive Optical Network (GPON) 20km kis tau. Lub module muaj 1490nm continuous-mode transmitter thiab 1310nm burst-mode receiver. Lub transmitter seem siv 1490nm DFB laser thiab ib lub integrated laser driver uas tau tsim los kom muaj kev nyab xeeb rau qhov muag hauv chav kawm-1 hauv qab ib qho kev ua txhaum. Lub laser driver muaj APC thiab kev them nyiaj kub, uas yog siv los ua kom lub zog tso tawm optical thiab qhov sib piv tas li thaum kub thiab laus.
Qhov seem ntawm lub receiver siv lub APD thiab BM-preamplifier uas sib xyaw ua ke. Lub module muaj lub luag haujlwm uas qhia txog lub teeb liab burst-power-detect. Lub receiver muaj lub luag haujlwm digitalized burst mode optical power monitoring, uas hloov pauv lub zog optical ONU uas tau txais ncaj qha rau hauv digital, nrog rau lub tswv yim Trigger los ntawm lub system. Thaum ntug ntawm Trigger pom, lub processor DDM pib hloov pauv lub zog optical burst, cov txiaj ntsig digital muaj nyob ntawm DDM interface tom qab Burst Optical Power Conversion Time. Qhov dav ntawm Trigger pulse yuav tsum ntau dua Burst Optical Power Conversion Holding Time. Lub WDM coupler sib xyaw ua ke tuaj yeem paub qhov txawv ntawm 1310nm input lub teeb los ntawm 1490nm output lub teeb. Lub pob hlau lav qhov zoo heev ntawm EMI thiab EMC.
Cov yam ntxwv ntawm cov khoom
- Ib qho fiber ntau bi-directional cov ntaub ntawv txuas asymmetric TX2488Mbps / RX1244Mbps daim ntawv thov
- 1490nm hom DFB laser transmitter thiab 1310nm burst-hom APD-TIA receiver
- Pob Khoom Me Me Uas Muaj Pluggable Nrog SC/UPC Connector
- Pib dua qhov kev tsim qauv ntawm lub tshuab txais burst-hom txhawb nqa ntau dua 15dB dynamic range
- Ib qho + 3.3V fais fab mov
- Kev soj ntsuam xyuas cov cuab yeej digital
- Digital burst RSSI muaj nuj nqi los saib xyuas qib fais fab optical input
- LVPECL sib xws nrog cov ntaub ntawv nkag / tso zis interface
- LVTTL transmitter lov tes taw tswj
- LVTTL transmitter laser txhaum tswb
- LVTTL receiver Signal Detect (SD) qhia
- EMI tsawg thiab kev tiv thaiv ESD zoo heev
- Chav Kawm I laser kev nyab xeeb tus qauv IEC-60825 raws li
| Hluav Taws Xob Ccov yam ntxwv | ||||||||
| Cov Qauv | Lub Cim | Tsawg kawg | Hom | Qhov siab tshaj plaws | Chav | Cov Lus Cim | ||
| Lub tshuab xa xov | ||||||||
| Kev Sib Txawv ntawm Cov Ntaub Ntawv Nkag Mus | Vin | 200 | - | 2400 | mVpp | 1 | ||
| Kev Tawm Tswv Yim Sib Txawv Impedance | Zin | 90 | 100 | 110 | ohm | |||
| Tx_Disable | Tua tawm | VD | 2.0 | - | VCC | V | ||
| Qhib kom ua haujlwm | VEN | GND | - | GND+0.8 | V | |||
| TX_ Qhov Txhaum | Qhov txhaum | VF | 2.0 | - | VCC | V | ||
| Ib txwm | VNO | GND | - | GND+0.8 | V | |||
| Tus txais | ||||||||
| Qhov Sib Txawv Hnub Tso Tawm Swing | Vout | 600 | - | 1500 xyoo | mVpp | 2 | ||
| Cov zis sib txawv impedance | Zout | 90 | 100 | 110 | ohm | |||
| Lub Sijhawm Tshawb Pom Teeb Liab De-assert | TSDD | ns | - | - | 12.8 | 3 | ||
| Lub Sijhawm Tshawb Pom Teeb Liab | TSDA | ns | - | - | 50 | 4 | ||
| Tshawb Pom Teeb LiabHluav taws xob | Siab | VOH | 2.4 | - | VCC | V | ||
| Qis | VOL | GND | - | GND+0.4 | V | |||
| Cov Yam Ntxim Saib ntawm Qhov Muag | ||||||
| Cov Qauv | Lub Cim | Chav | Min. | Hom. | Max. | Cov Lus Cim |
| Lub tshuab xa xov | ||||||
| Tus Nqi Ntaub Ntawv | BR | Mbps | - | 2488 | - | |
| Qhov Chaw Kho Qhov Muag Pom Kev Wavelength | λC | nm | 1480 xyoo | 1490 xyoo | 1500 xyoo | |
| Qhov Dav ntawm Lub Teeb Pom Kev (-20dB) | ∆λ | nm | - | - | 1 | |
| Sab Hom Kev Tiv Thaiv Ratio | SMSR | dB | 30 | - | ||
| Fais fab-OFF Transmitter Optical Power | dBm | - | - | -39 | 3 | |
| Qhov Sib Piv ntawm Kev Ploj Mus | ER | dB | 8.2 | - | - | 4 |
| Kev kam rau lub teeb pom kev ntawm lub Transmitter | dB | -15 | - | - | ||
| Kev nplua rau kev xa tawm thiab kev tawg tawm | TDP | dB | - | - | 1 | |
| Daim duab qhia txog lub teeb pom kev zoo | ITU-T G.984.2 | 5 | ||||
| Cov Qauv | Lub Cim | Chav tsev | Tsawg kawg | Hom. | Qhov siab tshaj plaws | Cov Lus Cim |
| Tus txais | ||||||
| Tus Nqi Ntaub Ntawv | BR | Mbps | - | 1244 | - | |
| Kev Ua Haujlwm Wavelength | λC | nm | 1260 | 1310 | 1360 xyoo | |
| Lub zog kho qhov muag saturation | PSAT (C++) | dBm | -12 | - | - | 6 |
| PSAT (C+++) | dBm | -15 | - | - | 6 | |
| PSAT (C++++) | dBm | -15 | - | - | 6 | |
| Teeb liab ntes tau qib | SDA | dBm | - | - | -34 | 6 |
| Kev Tshawb Pom Teeb Liab De-Assert Qib | SDD | dBm | -45 | - | - | 6 |
| Teeb liab ntes Hysteresis | dBm | 0.5 | - | 6 | ||
| Kev cuam tshuam ntawm tus txais | dB | - | - | -12 | ||
| Tus Txais Kev Tawm Tsam Hom Dynamic Range | dB | 15 | 7 | |||
| Tseeb tiag Qhov siab tshaj plaws Kev Ntsuas | |||||
| Cov Qauv | Mob | Chav tsev | Min. | Hom. | Max. |
| Kev Muab Hluav Taws Xob | V | -0.5 | - | 3.6 | |
| Kub Cia Khoom | Qhov Kub ntawm Rooj Plaub | ℃ | -45 | - | +85 |
| Qhov av noo, Kev khaws cia | Tsis muaj Condensing | % | +5 | - | +95 |
| Rx Tag Nrho Lub Hwj Chim Optical | Qhov Kev Puas Tsuaj Siab Tshaj Plaws | dBm | - | - | -8 |
| Kev Ua Haujlwm Ib puag ncignt | |||||
| Cov Qauv | Mob | Chav tsev | Min. | Hom. | Max. |
| Lub zog fais fab mov | V | 3.13 | 3.3 | 3.47 | |
| Kub ntawm qhov chaw ua haujlwm | Tus Qauv | ℃ | 0 | - | +70 |