TLM1550-EM20 series optical transmitter adopt top-international brand external modulated laser and external modulator, prevail patent pre-distortion circuit and SBS control circuit.
Overall indexes reach to well-known brand types level, and 1550nm optical transmitter price is inexpensive. We have sold thousands of products over the years. The fiber optic products save plenty of costs for operator's network construction and get many users' good reputation.
Output from 3dBm~10dBm, and single or dual out for the user’s choice.
Original external modulator and laser from US or Japan
Good parameter in CTB, CTN and C/N
Adjustable SBS in 13,16, 19, step 0.1dB.
AGC and MGC control.
Hot-plug dual power supply. Automatically shell temperature control.
RS232 and RJ 45 for local and remote management.
Items | Parameters | Remarks | |
Optical Parameters | Wavelength（nm） | 1550±10 | |
Laser | DFB | ||
Modulation Way | External | ||
Output Power （dBm） | 2×7 | 1×3~1×10 2×3~2×13 | |
Optical Return Loss（dB） | ≥60 | ||
Optical Connector | FC/APC | SC/APC | |
RF Parameters | Bandwidth（MHz） | 47-1000 | |
Input Level （dBμV） | 83±5 | AGC | |
Flatness（dB） | ≤±0.75 | 47～1000MHz | |
Return Loss （dB） | ＞16 | 47～1000MHz | |
Input Impedance （Ω） | 75 | ||
Link Parameters | CNR （dB） | ≥52 | |
CTB （dB） | ≥65 | ||
CSO （dB） | ≥65 | ||
SBS （dBm） | 13 16 19 adjustable | Step 0.1dB | |
General Parameter | Network Management Port | RJ45, R232 | |
Power Supply （V） | 90～265AC | -48VDC | |
Power Consumption (W) | ≤50 | ||
Working Temp （℃） | -5~55 | Auto shell temp control | |
Relative Humidity | 20%~85% | ||
Size （″） | 19″×11″×1.75″ | 483(W)x 381(D)x 44(H) | |
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