OTA -Optical Terminal Station Amplifier Board
- OTA (Optical Terminal Station Amplifier Board)
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OTA Optical Terminal Amplifier (DWDM EDFA Board)
The OTA (Optical Terminal Amplifier) launched by D-TECH Trading is designed to compensate for optical signal loss in DWDM transmission systems. It provides both booster amplification (BA) and pre-amplification (PA) for multiplexed optical signals, making it an essential component in long-distance optical communication networks.
Supporting up to 48 DWDM channels (100 GHz spacing) or 96 DWDM channels (50 GHz spacing), the OTA delivers flat optical gain, adjustable amplification, low noise performance, and high output power for modern metro, backbone, and long-haul optical networks.
The amplifier integrates a built-in OSC optical monitoring channel, VOA, passive filter, Automatic Power Reduction (APR), and monitoring interfaces for OCM and OTDR, making it an ideal solution for Optical Terminal Multiplexer (OTM), DWDM systems, and future all-optical transmission networks.
Quick Specifications
Key Features
- Supports booster and pre-amplification
- Supports up to 48 channels (100GHz)
- Supports up to 96 channels (50GHz)
- Flat optical gain with low noise
- Configurable AGC or APC operating modes
- Built-in OSC optical monitoring channel
- Built-in VOA and passive optical filter
- Automatic Power Reduction (APR)
- Reserved OCM monitoring interface
- Reserved OTDR monitoring interface
- Adjustable optical attenuation (VOA)
- High output optical power
- Excellent gain flatness and stability
- Designed for long-distance DWDM systems
Applications
Optical Terminal Station (OTM)
Amplifies MUX output signals and pre-amplifies received DWDM optical signals.
DWDM Networks
Designed for long-haul, metro, backbone, and high-capacity DWDM optical transmission.
Optical Monitoring
Supports OSC communication together with OCM and OTDR monitoring interfaces.
All-Optical Networks
Suitable for future high-speed all-optical communication infrastructures.
General Specifications
| Parameter | Description |
|---|---|
| Function | Supports booster amplification and pre-amplification of MUX signals with built-in unidirectional OSC |
| Slot Requirement | 2 Slots |
| Integration | Built-in BA, PA, OSC, VOA and passive filter |
| Safety | Automatic Power Reduction (APR) |
| Monitoring Ports | Reserved OCM & OTDR monitoring ports |
| Line-side VOA Location | PA Front Input (BA without VOA) |
| VOA Insertion Loss | <1 dB |
| VOA Adjustment Range | 0 ~ 15 dB |
| OSC Wavelength | 1510 nm |
| OSC Rate | 1.25 Gb/s |
| OTDR Wavelength | 1625 nm |
| OTDR Channel Loss | <1 dB |
Optical Amplification Specifications
| Parameter | BA: 21G13V | PA: 21G20V | PA: 21G30V |
|---|---|---|---|
| Operating Wavelength | 1528–1568 nm | 1528–1568 nm | 1528–1568 nm |
| Operating Mode | AGC / APC | AGC / APC | AGC / APC |
| Gain Range | 8–18 dB | 15–25 dB | 22–35 dB |
| Maximum Output Power | ≥21 dBm | ≥21 dBm | ≥21 dBm |
| Gain Flatness | <1.5 dB | <1.5 dB | <1.5 dB |
| Gain Slope | -3 ~ 0 dB | -3 ~ 0 dB | -3 ~ 0 dB |
| Polarization Related Loss | <0.5 dB | <0.5 dB | <0.5 dB |
| Input Power Measurement | -18 ~ +13 dB | -28 ~ +6 dB | -35 ~ 0 dB |
| Output Power Measurement | -2 ~ +22 dB | -2 ~ +22 dB | -2 ~ +22 dB |
| Reflection Coefficient | <-30 dB | <-30 dB | <-30 dB |
| Gain Stability | ±0.5 dB | ±0.5 dB | ±0.5 dB |
Installation Recommendation
The OTA Optical Terminal Amplifier is recommended for installation in Optical Terminal Multiplexer (OTM) sites where DWDM multiplexed signals require booster amplification before transmission or pre-amplification before reception. Select the appropriate BA or PA model according to the optical link budget, configure the amplifier in AGC or APC mode, and utilize the built-in OSC, VOA, OCM, and OTDR monitoring interfaces to ensure stable long-distance optical transmission and simplified network maintenance.
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