EMOT-1550S 1550nm External Modulation Optical Transmitter
1U rack-mountable 1550nm external modulation optical transmitter designed for small to medium-sized TV stations. Features adjustable SBS threshold (13/16/18 dBm) and delivers CNR ≥51.5 dB over 50 km fiber. Ideal for long-distance transmission of CATV, digital, and compressed digital signals.
Category: CATV Optical Equipment
Key Features
- External modulation technology – superior linearity for CATV signal transmission with excellent CTB/CSO performance.
- Adjustable SBS threshold – supports 13 dBm, 16 dBm, and 18 dBm output power settings for flexible deployment.
- Long-distance transmission – delivers CNR ≥51.5 dB over 50 km fiber with low signal degradation.
- Front panel LCD display – real-time monitoring of operating parameters including optical power, temperature, and alarm status.
- Dual power supply options – AC 220V or DC -48V with automatic switching for enhanced reliability.
- Network management interface – RJ45 port for remote monitoring and configuration via SNMP.
Technical Specifications
| Parameter | Specification |
|---|---|
| Wavelength | 1550 nm ± 0.5 nm |
| Optical Modulation | External modulation (LiNbO3) |
| Optical Output Power | 13 dBm, 16 dBm, 18 dBm (adjustable SBS threshold) |
| SBS Threshold | 13 dBm / 16 dBm / 18 dBm (selectable) |
| Optical Connector | FC/APC, SC/APC (optional) |
| Frequency Range | 47–862 MHz (1000 MHz optional) |
| CNR | ≥51.5 dB (@ 50 km, 0 dBm input) |
| CTB | ≤-65 dBc |
| CSO | ≤-60 dBc |
| Flatness | ±0.75 dB |
| RF Input Level | 80 ± 5 dBμV |
| RF Input Return Loss | ≥16 dB |
| RF Input Impedance | 75 Ω |
| Power Consumption | ≤35 W |
| Power Supply | AC 220V ± 10%, 50/60 Hz or DC -48V (dual power optional) |
| Network Management | RJ45 Ethernet port, SNMP v2/v3 |
| Dimension | 19" × 12" × 1.75" (482.6 mm × 304.8 mm × 44.45 mm) |
| Weight | 4.2 kg |
| Working Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 5% to 95% (non-condensing) |
Listed Model Variants
| Model | Listed Optical Output |
|---|---|
| EMOT-1550S-1X5 | Single output × 5 dBm |
| EMOT-1550S-1X7 | Single output × 7 dBm |
| EMOT-1550S-1X9 | Single output × 9 dBm |
| EMOT-1550S-2X3 | Dual output × 3 dBm each |
| EMOT-1550S-2X5 | Dual output × 5 dBm each |
| EMOT-1550S-2X6 | Dual output × 6 dBm each |
| EMOT-1550S-2X7 | Dual output × 7 dBm each |
Specifications and variant information reflect the published catalog. Confirm the exact model, optional features and compatibility with FOT before ordering.
Typical Applications
Ideal for long-distance transmission of CATV, digital, and compressed digital signals in small to medium-sized TV stations and distribution networks.
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Related Solutions & Guides
Equipment Buyer Questions
What is EMOT-1550S 1550nm External Modulation Optical Transmitter used for?
Ideal for long-distance transmission of CATV, digital, and compressed digital signals in small to medium-sized TV stations and distribution networks.
Which specifications should I check for EMOT-1550S 1550nm External Modulation Optical Transmitter?
The listed specifications include Wavelength: 1550 nm ± 0.5 nm; Optical Modulation: External modulation (LiNbO3); Optical Output Power: 13 dBm, 16 dBm, 18 dBm (adjustable SBS threshold); SBS Threshold: 13 dBm / 16 dBm / 18 dBm (selectable). Review the complete table and confirm your required configuration with FOT.
Is compatibility with my existing network guaranteed?
Compatibility depends on your existing equipment, firmware, interfaces and service configuration. Share your OLT/ONT or network equipment models with FOT for confirmation before deployment.
How can I request a quote for EMOT-1550S 1550nm External Modulation Optical Transmitter?
Email sales@fiberoptictel.com with the product name, quantity and required configuration. Ask for confirmation of pricing, availability and lead time.