Description
1310nm optical transmitter is designed according to the telecommunication standard,converting the CATV rf amplitude signal into 1310nm optical signalthen through single mode optical fiber to the optical node in HFC network,maily used for TV signal,digital TV signal.telephone voice signal and data signal long distance transmission.
1310nm optical transmitter is equipped with reliable stable optical output power circuit and pump laser thermoelectric refrigerator temperature control circuit to ensuer the best performance of the equipment and expand the laser span.With professional heat dissipation structure design,intelligent temperature control fan and low power consumption make it to be the ideal choice for building the large and medium-sized optical transmission network.
Features
– 1U rack, stainless steel housing with excellent heat dissipation and appearance.
– The bandwidth 47-862MHz.
– Adopt world top brand laser with wide bandwidth and high output power.
– Built in microcomputer automatic monitoring circuit, realtime monitoring the optical output power and laser working state. To ensure the stable output power and expand the laser lifespan.
– Advanced multi-frequency RF pre-distortion technology, RF GaAs devices and complete SMT structure effectively improve the C/N, CTB and CSO parameters in the CATV system.
– RF driving circuit adopts the RF power digital automatic processing technology according to RF input signal level and the input channels number, automatically handles the driveing level, in order to keep the C / CTB, C / CSO and C / N parameters always in the best status.
– Laserautomatictemperature stabilization circuit (ATC) and optical power output stabilization circuit (APC), ensurethe laserworking withoptimal performance.
– RF output power detector and the RF relay shutdown functioneffectively preventthedamageof the laser when thesignal is too high. AGC / MGCworking mode for optional.
– The front panel has working status indicators and the back panel has RF test port.
– The working parameters and fault information can be displayed through centralized monitoring unit on the LCD screen, also can monitor through RJ45 network interface.
Specifications
Item | unit | 1310nm optical transmitter with dual power supply |
Output power | mw | 2mW-30mW |
Wavelength | nm | 1310±10 |
Laser | DFB laser | |
Light Modulation | Direct light intensity modulation | |
Optical connector | SC/APC or SC/UPC | |
bandwidth | MHz | 47 ~ 862MHz |
RF Input Level | dBµV | 80dBµV ±5 |
Flatness | dB | ±0.75 |
Monitoring port level | dBµV | -10 (Input) |
Inputs isolation | dB | ≥50 (Local port to broadcast port) |
AGC Accuracy | dB | 0.25 |
MGC adjustment range | dB | 0 ~ 15 |
RF input impedance | Ω | 75 |
Input Return Loss | dB | ≥16 |
C/CTB | dB | ≥65 |
C/CSO | dB | ≥60 |
CNR(C/N) | dB | ≥51 |
Note: The above technical parameters are in accordance with the technical requirements and methods of measurement GY / T 143-2000 predetermined measured.
FAQ
Q: What is the primary application of the CATV 1310nm Optical Transmitter?
A: It converts CATV RF amplitude signals into a 1310nm optical signal for long-distance transmission of analog TV, digital TV, voice, and data across single-mode fiber to optical nodes in HFC networks.
Q: What are the key optical and RF specifications of this transmitter?
A: Key technical parameters include:
- Wavelength: 1310 ± 10 nm using a DFB laser
- Output Power: 2 mW to 30 mW
- Frequency Bandwidth: 47 MHz to 862 MHz
- Optical Connectors: SC/APC or SC/UPC
Q: What design features ensure reliable operation and laser protection?
A: The transmitter includes a 1U stainless steel rackmount chassis with a dual power supply and intelligent cooling fans. It incorporates Automatic Temperature Control (ATC), Automatic Power Control (APC), an RF power detector, and an RF relay shutdown function to prevent laser damage from excessive signal levels.
Q: Does it support remote management and monitoring?
A: Yes, real-time operating parameters and fault alerts can be monitored locally via the front panel LCD screen and LEDs, or remotely through an RJ45 network interface. It also features selectable AGC and MGC operating modes.
Q: How can I request pricing or product support?
A: You can click “Add to Quote” or “Request a Demo” on the product page. Alternatively, contact FirstFiber Technologies via email at sales@FirstFiberTech.com or by phone at +86 021 51347338.
