Product Overview
Premlink Tech is a leading CATV GPON EDFA Factory in China. Our PL2000D CATV GPON EDFA is a new generation EYDFA in CATV industry which is designed for working in the outdoor cabinet, PL2000D has pluggable module for Fans, Power supplies and Amplifier part which is easy to plug in/out at front panel, and we don’t need to take the whole unit out. It has unique back reflection function for FTTH xPON EDFA. PL2000D CATV GPON EDFA is is characterized by low noise and high linearity performance to meet the most demanding requirements of CATV, HFC and FTTx applications. This type model is 2U rack mount, 1550nm wavelength input, available for upto 64ports PON Pass through, with optical switch.
To be a professional GPON EDFA Factory, Premlink works on design excellent and unique product for our customers. PL2000D GPON EDFA has unique back reflection function. This type model is 1U/2U /3U rack mount, 1550nm wavelength input, available for upto 32/64 ports.
Block Diagram & Panel Overview
Block Diagram
Premlink – The Leading GPON EDFA Factory
Touchscreen LCD Overview

Premlink – The Leading GPON EDFA Factory
Specifications
| Optical Characteristics | ||
| Parameter | Unit | Value |
| Optical Input Wavelength | nm | 1545 ~ 1565 |
| Optical Input Power | dBm | -10~+10 |
| Output Optical Power | dBm | Upto 40dBm |
| Typical Output Power | dBm | ≥ 18 |
| Port Numbers | — | 1~256 |
| Output Power Tolerance | dB | ± 0.5 |
| Port Uniformity | dB | ± 0.8 |
| Noise Figure | dB | ≤ 5.5 |
| Optical Test Port | dB | -5~+5 |
| Return Loss Input/Output | dB | ≥ 45 |
| Isolation Output ► Input | dB | ≥ 40 |
| Polarization Dependence | dB | ≤ 0.3 |
- Noise figure at 0 dBm input power, nominal output power and signal wavelength 1550 nm.
| GPON Characteristics | ||
| Parameter | Unit | Value |
| GPON Center Wavelengths | nm | 1310/1490 |
| Insertion Loss | dB | ≤ 1 |
| Isolation CATV ► PON | dB | 30 @ 1545~1565 nm |
| Isolation COM ► PON | dB | 15 @ 1545~1565 nm |
| Return Loss | dB | ≥ 45 |
| Optical Switch for 2 Inputs (Optional) | ||
| Parameter | Unit | Value |
| Insertion Loss | dB | < 1 |
| Crosstalk | dB | ≤ -55 |
| Repeatability | dB | ± 0.05 |
| Switch Time | ms | ≤ 10 |
| Return Loss | dB | ≥ 50 |
| General Characteristics | ||
| Parameter | Unit | Value |
| Power Supply | pcs | 2 (1 default, 1 optional) |
| Chassis Type | — | 1U, 2U, 3U 19’’ Rack Mounted |
| AC Input Voltage | Vac | 95~264 |
| DC Input Voltage | Vdc | 36~ 72 |
| Power Consumption | W | ≤75 |
| Dimension (W x H x D) | mm | 484*44*385 (1U) |
| mm | 484*88*336 or 484*88*416 (2U) | |
| Operating Temperature Range | °C | -5~+50 |
| Management Interface | |
| Parameter | Value |
| Data Link Layer | Ethernet 10/100 Base-T |
| Network Layer | IPv4, ICMP |
| Transport Layer | UDP, TCP |
| Application Layer | SNMPv1/v2c, DHCP, Web |
| Connectors | 10/100 Base-T |
| Front Panel Management | 3.5” 480 x 320 Color Touch Screen LCD for 2U and 3U
2.4” 320 x 240 Color Touch Screen LCD for 1U |
| Control Mode | |
| Parameter | Value |
| Stabilization Mode | Pump Current |
| Output Optical Power | |
| Optical Gain | |
| Automatic Pump Shutdown Mode | Low Input Power (LOS) |
Premlink, the leading GPON EDFA Factory in China. Our EDFA has three control modes.
- APC (Automatic Power Control): Output Optical Power Level Stabilization
- ACC (Automatic Current Control): Pump Current Level Stabilization
- AGC (AutomaticGain Control): Optical Gain Level Stabilization
PL2000D: High-Reliability GPON EDFA from Leading Factory
A revolutionary 1550nm EYDFA with front-access pluggable modules, engineered by China’s professional CATV GPON EDFA factory.
- Innovative Modular Design: Pluggable modules for Fans, Power Supplies, and Amplifier units—easy maintenance without removing the whole chassis.
- Factory Customization: Supports Customized Logo, Labels, and Web Copyrights (MOQ: 1pcs), ideal for OEM/ODM projects.
- Superior Signal Quality: Designed for demanding HFC and FTTx networks with low noise (≤5.5dB) and high linearity performance.
- Enhanced Safety: Built-in Back Reflection Power Meter and Automatic Pump Shutdown (LOS) for industrial-grade laser protection.
- Advanced Control: Supports APC/ACC/AGC modes and full SNMP v1/v2c management via 2.4″/3.5″ color touchscreen GUI.
Technical FAQ: GPON EDFA Factory & Solutions
Q1: Why choose Premlink as your GPON EDFA factory partner?
A: As a professional GPON EDFA factory in China, Premlink focuses on unique designs like the PL2000D’s pluggable architecture. We offer factory-direct pricing, 5-day lead times for samples, and full customization (OEM) to meet specific project requirements.
Q2: What are the maintenance benefits of the PL2000D’s modular design?
A: The PL2000D is specifically designed for outdoor cabinet applications. Its fans, power supplies, and amplifier parts are all pluggable from the front panel. This means you can replace a module in minutes without disconnecting the fiber cables or taking the entire 2U unit out of the rack.
Q3: Does this model support both GPON and EPON?
A: Yes. While it’s a carrier-grade 1550nm EDFA PON combiner optimized for GPON (1310/1490nm), its built-in WDM is also fully compatible with EPON and legacy HFC architectures, ensuring flexible deployment across different OLT platforms.
Q4: How does the Automatic Power Control (APC) mode benefit the network?
A: APC mode stabilizes the output optical power level regardless of input fluctuations. This ensures that all downstream FTTH optical receivers receive a constant signal level, which is critical for maintaining stable video quality in large-area distribution networks.
Expert Selection Tip for 1GHz/1.2GHz Networks
If your project is a dedicated CATV-only deployment and does not require OLT (GPON/XGSPON) signal integration, we recommend our
High Power EDFA Series
for maximum output efficiency and superior linearity in 1GHz/1.2GHz HFC networks.

