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Ikoti rya RET AISG 2.0 rya Andrew ATCB-B01 Commscope APC-D8 rya PVC ry'abagabo n'abagore
IBISOBANURO
Utwuma twa SFP tw’itumanaho ni module zikora neza kandi zihendutse zishyigikira umuvuduko w’amakuru wa 1.25Gbps n’intera yo kohereza amakuru ya 10KM hamwe na SMF.
Iyi transceiver igizwe n'ibice bitatu: transmitter ya laser ya FP, PIN photodiode ihujwe na trans- impedance preamplifier (TIA) na MCU control unit. Moduli zose zujuje ibisabwa mu rwego rwa mbere mu bijyanye n'umutekano wa laser.
Utwuma dutanga amakuru (transceivers) duhura na SFP Multi-Source Agreement (MSA) na SFF-8472. Kugira ngo ubone andi makuru, reba SFP MSA.
Moduli Guhagarika Ishusho
Gutumiza Amakuru
| Igice Oya. | Amakuru Igipimo (cya optique) | Laser | Fibre Ubwoko | Intera | Ikoranabuhanga Interuro | Ubushyuhe | DDMI | Latch Ibara |
| SFP-GE-LX | 1.25Gbps | FP | SMF | 10KM | LC | 0~70℃ | Y | Ubururu |
| SFP-GE-LX-E | 1.25Gbps | FP | SMF | 10KM | LC | -20~85℃ | Y | Ubururu |
| SFP-GE-LX-I | 1.25Gbps | FP | SMF | 10KM | LC | -40~85℃ | Y | Ubururu |
Byuzuye Ntarengwa Amanota
| Igipimo | Ikimenyetso | Iminota | Ubwoko | Umubare munini | Ishami | Ref. |
| Umuvuduko ntarengwa w'amashanyarazi | Vcc | -0.5 | 3.6 | V | ||
| Ubushyuhe bwo kubika | TS | -40 | 85 | °C | ||
| Ubushyuhe buciriritse - Gukora | RHO | 5 | 85 | % | ||
| Ubushuhe bugereranye - Ububiko | RHS | 5 | 95 | % |
Bisabwe Imikorere Ibisabwa
| Igipimo | Ikimenyetso | Ntoya. | Ibisanzwe | Max. | Ishami | Inyandiko |
| Ubushyuhe bwo gukora mu gasanduku | Hejuru | 0 | - | 70 | ℃ | Ubucuruzi |
| -40 | 85 | Inganda | ||||
| Ingufu z'amashanyarazi | VCC | 3.13 | 3.3 | 3.47 | V | |
| Intera yo kohereza | TD | - | - | 10 | km | Ku bijyanye na SMF |
Amashanyarazi Ibiranga
| Igipimo | Ikimenyetso | Iminota | Ubwoko | Umubare munini | Ishami | Ref. |
| Ingufu z'amashanyarazi | Vcc | 3.15 | 3.3 | 3.6 | V | |
| Umuvuduko w'ibicuruzwa | Icc | 303 | mA | |||
| Umuyoboro | ||||||
| Impedansi y'itandukaniro ry'ibyinjira | Rin | 100 | Ω | 1 | ||
| Ihindagurika ry'uburyo bwo kwinjiza amakuru rimwe | Vin,pp | 250 | 1200 | mV | ||
| Kohereza Voltage Idakora | VD | Vcc–1.3 | Vcc | V | ||
| Kohereza Voltage Ifasha Kohereza | VEN | Vee | Vee+ 0.8 | V | 2 | |
| Igihe cyo Kwemeza Kohereza Guhagarika Kohereza | 10 | us | ||||
| Uwakira | ||||||
| Guhindura uburyo bwo gusohora amakuru burangira rimwe | Vout,pp | 250 | 800 | mV | 3 | |
| Igihe cyo kuzamuka kw'amakuru | tr | 100 | 175 | ps | 4 | |
| Igihe cyo gusohora amakuru | tf | 100 | 175 | ps | 4 | |
| Ikosa rya Los | Ikosa rya VLOS | Vcc–0.5 | VccHOST | V | 5 | |
| LOS Ibisanzwe | Ibipimo ngenderwaho bya VLOS | Vee | Vee+0.5 | V | 5 | |
| Kwanga gutanga amashanyarazi | PSR | 100 | mVpp | 6 | ||
Inyandiko:
1. Ihujwe neza na TX data input pins. Nyuma yaho AC ihujwe.
2. Cyangwa serivise ifunguye.
3. Mu kurangiza itandukaniro rya 100 ohms.
4. 20 – 80%
5. Gutakaza Ikimenyetso ni LVTTL. Logike 0 igaragaza imikorere isanzwe; logike 1 igaragaza ko nta kimenyetso cyabonetse.
6. Uburyo bwo kwakira bujyanye n'uburyo amashanyarazi akoreshwa hagati ya 20 Hz na 1.5 MHz kugeza ku gaciro kagenwe gakoreshwa binyuze mu muyoboro wagenewe kuyungurura amashanyarazi.
Ikoranabuhanga na Ibiranga
| Igipimo | Ikimenyetso | Iminota | Ubwoko | Umubare munini | Ishami | Ref. |
| Umuyoboro | ||||||
| Iherezo ry'ubuzima (Impera y'ubuzima) | POUT | -9.0 | -3.0 | dBm | 1 | |
| Uburebure bw'urumuri rw'izuba | λ | 1270 | 1310 | 1355 | nm | |
| Gushingira ku bushyuhe bw'uburebure bw'umuraba | 0.08 | 0.125 | nm/°C | |||
| Ubugari bwa Spectral (-20dB) | σ | 3.5 | nm | |||
| Igipimo cyo Kuzimira kw'Amaso | ER | 10 | dB | |||
| Igipimo cyo kugabanya uburebure bw'uruti rw'uruti | Iminota ya SSR | 30 | dB | |||
| Igihe cyo Kuzamuka/Guhinda kw'Izuba | tr/ tf | 100 | 160 | ps | ||
| RIN | RIN | -120 | dB/Hz | |||
| Ijwi ritunguruka (kuva ku gasongero kugeza ku gasongero) | 100 | ps | ||||
| Uwakira | ||||||
| Impuzandengo ya Rx Sensitivity @ Gigabit Ethernet | RSENS3 | -20 | dBm | 2 | ||
| Ingufu ntarengwa zo kwinjira | PMAX | -3.0 | dBm | |||
| Uburebure bw'Umuraba w'Ikirahure cy'Itara | λC | 1260 | 1310 | 1620 | nm | |
| LOS De -Assert | LOSD | -22 | dBm | |||
| Itangazo rya LOS | LOSA | -40 | dBm | |||
| Los Hysteresis | 1.0 | dB | ||||
| Itsinda rya Receiver Jitter @1.25Gbps | 160 | ps | 3 | |||
Inyandiko:
1. Umutekano wa Laser wo mu cyiciro cya 1 hakurikijwe amabwiriza ya FDA/CDRH na IEC-825-1.
2. Hamwe n'igipimo cy'ibura ry'ibinyabuzima. Bipimwe hakoreshejwe icyitegererezo cya @PRBS=2^7-1 NRZ, @1.25Gb/s, BER<10-12.
3. Guhindagura byongeweho n'uwakira (agace k'umuvuduko kugeza ku gasongero). Byapimwe kuri -18.0dBm ikigereranyo cy'ubuhanga bwa Rx, @PRBS=2^7-1 icyerekezo cy'ikizamini cya NRZ.
Ikoranabuhanga Isuzumabumenyi
| Igipimo | Urugendo | Uburinganire | Ishami | Gupima |
| Ubushyuhe | -40 kugeza kuri 85 | ± 3 | ºC | Imbere |
| Umuvuduko w'amashanyarazi | 0 kuri Vcc | ± 3% | V | Imbere |
| Uburiganya bwa Tx | Kuva kuri 0 kugeza ku 100 | ± 10% | mA | Imbere |
| Ingufu zo Gusohora za Tx | -9 kugeza -3 | ± 3 | dB | Imbere |
| Ingufu zo kwinjira za Rx | -20 kugeza -3 | ± 3 | dB | Imbere |
Pin Ishusho
Pin Ibisobanuro
| Pin | Ikimenyetso | Izina/Ibisobanuro | Ref. |
| 1 | V EET | Igitaka cyo kohereza (Kizwi nkaho gikoreshwa n'ubutaka bwo kwakira) | 1 |
| 2 | T IKOSA | Ikosa ry'umuyoboro w'itumanaho. | 2 |
| 3 | T DIS | Guhagarika Kohereza. Isohoka rya laser ryafunzwe iyo rifunguye cyangwa rivanguye. | 3 |
| 4 | MOD_DEF(2) | Ibisobanuro bya Moduli 2. Umurongo w'amakuru kuri ID y'uruhererekane. | 4 |
| 5 | MOD_DEF(1) | Ibisobanuro bya Moduli 1. Umurongo w'isaha kuri ID y'uruhererekane. | 4 |
| 6 | MOD_DEF(0) | Ibisobanuro bya Moduli 0. Ifite ishingiro muri Moduli. | 4 |
| 7 | Guhitamo amanota | Nta guhuza bikenewe | |
| 8 | Los | Kubura ikimenyetso cy'ikimenyetso. Logique 0 igaragaza imikorere isanzwe. | 5 |
| 9 | V EER | Igitaka cyo kwakira (Kizwi nkaho gikoreshwa n'ubutaka bwo kohereza ubutumwa) | 1 |
| 10 | V EER | Igitaka cyo kwakira (Kizwi nkaho gikoreshwa n'ubutaka bwo kohereza ubutumwa) | 1 |
| 11 | V EER | Igitaka cyo kwakira (Kizwi nkaho gikoreshwa n'ubutaka bwo kohereza ubutumwa) | 1 |
| 12 | RD- | Amakuru ya Receiver Inverted. AC ihujwe | |
| 13 | RD+ | Ikirahuri kidahinduye amakuru. AC ihujwe | |
| 14 | V EER | Igitaka cyo kwakira (Kizwi nkaho gikoreshwa n'ubutaka bwo kohereza ubutumwa) | 1 |
| 15 | V CCR | Ingufu z'amashanyarazi zo kwakira | |
| 16 | V CCT | Ingufu zo Kohereza | |
| 17 | V EET | Igitaka cyo kohereza (Kizwi nkaho gikoreshwa n'ubutaka bwo kwakira) | 1 |
| 18 | TD+ | Amakuru adahinduriwe muri AC ahujwe. | |
| 19 | TD- | Itumanaho ry’amakuru rihinduriwe muri AC. | |
| 20 | V EET | Igitaka cyo kohereza (Kizwi nkaho gikoreshwa n'ubutaka bwo kwakira) | 1 |
Inyandiko:
1. Ubutaka bw'uruziga butandukanijwe imbere n'ubutaka bwa chassis.
2. T
IKOSA
ni igikoresho gifunguye gikusanya/gisohora amazi, kigomba gukururwa gifite resistor ya 4.7k – 10k Ohms ku kibaho cy’umuyoboro niba cyagenewe gukoreshwa.
Voltage yo gukuramo ikwiye kuba hagati ya 2.0V na Vcc + 0.3V. Umusaruro mwinshi ugaragaza ikosa rya transmitter riterwa n'umuyoboro wa TX bias cyangwa imbaraga za TX output zirenze ubushobozi bwa alarm busanzwe. Umusaruro muto ugaragaza imikorere isanzwe. Mu gihe kiri hasi, umusaruro ukururwa kuri
<0.8V.
3. Isohoka rya laser ryahagaritswe kuri TDIS
>2.0V cyangwa ifunguye, ifunguye kuri TDIS
<0.8V.
4. Igomba gukururwa ifite 4.7k - 10kohms ku kibaho cy’umuyoboro w’amashanyarazi kuri voltage iri hagati ya 2.0V na 3.6V. MOD_DEF(0) irakurura umurongo wo hasi kugira ngo yerekane ko module ifunguye.
5. LOS ni igikoresho gisohoka gifunguye. Kigomba gukururwa gifite 4.7k - 10 kohms ku kibaho cy’umuyoboro w’amashanyarazi kuri voltage iri hagati ya 2.0V na 3.6V. Logic 0 igaragaza imikorere isanzwe; logic 1 igaragaza igihombo cy’ikimenyetso.
Bisabwe Interuro Urugendo
