SFP OC-3 / STM-1 / 155Mb
OC-3 is a network line with transmission speeds of up to 155.52 Mbit/s (payload: 148.608 Mbit/s; overhead: 6.912 Mbit/s, including path overhead) using fiber optics. Depending on the system OC-3 is also known as STS-3 (electrical level) and STM-1 (SDH). These modules are also used for Fast Ethernet application.
| Part No. | Data Rate | Wavelength | Source | Distance | DDM (optional) |
Application | ||
| Fast Ethernet |
SDH/ SONET |
FTTx | ||||||
| EOLS-1303-2M | 125M;MM | 1310nm | FP | 2km |  |
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| EOLS-1303-15 | 155M;SM | 1310nm | FP | 15km | |
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| EOLS-1303-40 | 155M;SM | 1310nm | FP | 40km | |
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| EOLS-1303-60 | 155M;SM | 1310nm | FP | 60km | |
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| EOLS-1503-80 | 155M;SM | 1550nm | DFB | 80km | |
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| EOLS-1503-A | 155M;SM | 1550nm | DFB | 100km | |
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| EOLS-1503-B | 155M;SM | 1550nm | DFB | 120km | |
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| EOLS-1503-C | 155M;SM | 1550nm | DFB | 160km | |
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| EOLS-1503-D | 155M;SM | 1550nm | DFB | 200km | |
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Eoptolink also manufactures Optical Supervisory Channel OSC SFP
Parameters specified for STM-1 optical interfaces according to G.957
| Parameter | Unit | Values | |||||||||
| Digital signal | STM-1 according to Recommendation G.707 | ||||||||||
| Nominal bit rate | kbit/s | 155 520 | |||||||||
| Application code (Table 1) | |
I-1 | S-1.1 | S-1.2 | L-1.1 | L-1.2 | L-1.3 | ||||
| Operating wavelength range | nm | 1260a)-1360 | 1261a)-1360 | 1430-1576 | 1430-1580 | 1263a)-1360 | 1480-1580 | 1534-1566/ | 1480-1580 | ||
| 1523-1577 | |||||||||||
| Transmitter at reference point S | |
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| Source type | |
MLM | LED | MLM | MLM | SLM | MLM | SLM | SLM | MLM | SLM |
| Spectral characteristics: | |
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| – maximum RMS width (s) | nm | 40 | 80 | 7.7 | 2.5 | – | 3 | – | – | 3/2.5 | – |
| – maximum -20 dB width | nm | – | – | – | – | 1 | – | 1 | 1 | – | 1 |
| – minimum side mode | dB | – | – | – | – | 30 | – | 30 | 30 | – | 30 |
| suppression ratio | |||||||||||
| Mean launched power: | |
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| – maximum | dBm | -8 | -8 | -8 | 0 | 0 | 0 | ||||
| – minimum | dBm | -15 | -15 | -15 | -5 | -5 | -5 | ||||
| Minimum extinction ratio | dB | 8.2 | 8.2 | 8.2 | 10 | 10 | 10 | ||||
| Optical path between S and R | |
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| Attenuation rangeb) | dB | 0-7 | 0-12 | 0-12 | 10-28 | 10-28 | 10-28 | ||||
| a | ps/nm | 18 | 25 | 96 | 296 | NA | 246 | NA | NA | 246/296 | NA |
| Minimum optical return loss of cable plant at S, including any connectors | dB | NA | NA | NA | NA | 20 | NA | ||||
| Maximum discrete reflectance between S and R | dB | NA | NA | NA | NA | –25 | NA | ||||
| Receiver at reference point R | |
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| Minimum sensitivityb) | dBm | -23 | -28 | -28 | -34 | -34 | -34 | ||||
| Minimum overload | dBm | -8 | -8 | -8 | -10 | -10 | -10 | ||||
| Maximum optical path penalty | dB | 1 | 1 | 1 | 1 | 1 | 1 | ||||
| Maximum reflectance of receiver, measured at R | dB | NA | NA | NA | NA | -25 | NA | ||||
Transceiver
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Module, transceiver. telsiz. Módulo de transceptor. Оптический модуль, трансивер. émetteur-récepteur. ricetrasmittente. Sende- und Empfangsgerät. Transceptor. .الإرسال 光收发模块. 光トランシーバ.
