Product Overview
PL2000B series EDFA PON Combiner, designed for delivering very low noise and high linearity, is the ideal fit for even the most demanding distribution networks, taking your CATV and FTTx networks to new heights. The PL2000x is the industry’s first touchscreen LCD, providing complete control at your fingertips. Our amplifier can be customized to meet your exact requirements, with a variety of customizable configurations available.
PL2000B EDFA PON Combiner has WDM PON inside that integrates GPON and XGSPON signals (upstream 1310nm/1270nm and downstream 1490nm/1577nm) with CATV signals (1550nm) on the same fiber cable for triple play network application.
PL2000B series EDFA PON Combiner, designed for delivering very low noise and high linearity, is the ideal fit for even the most demanding distribution networks, taking your CATV and FTTx networks to new heights.
Block Diagram & Panel Overview
Block Diagram
PL2000B EDFA PON Combiner Block Diagram
Front and Rear Overview

PL2000B EDFA PON Combiner Front / Rear Panel
| No. | Description | No. | Description |
| 1 | Touchscreen LCD | 7 | Handle |
| 2 | RJ45 Port | 8 | Power Supply 1 |
| 3 | Optical Input Power Port | 9 | Power Supply 2 |
| 4 | Test Port | 10 | Grounding |
| 5 | XGSPON & GPON Pass Port | 11 | Fans |
| 6 | COM Port |
Specifications
Optical Characteristics
| Parameter | Unit | Value |
| Optical Input Wavelength | nm | 1545 ~ 1565 |
| Optical Input Power | dBm | -5 ~ +10 |
| Output Optical Power | dBm | ≤40 |
| Typical Output Power | dBm | ≥18 |
| Port Numbers | — | 1 ~ 256 |
| Output Power Tolerance | dB | ±0.5 |
| Port Uniformity | dB | ±1.0 |
| 1Noise Figure | dB | ≤6.0 |
| 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
XGSPON & GPON Characteristics
| Parameter | Unit | Value |
| GPON Center Wavelengths | nm | 1310/1490 |
| XG(S)-PON Center Wavelengths | nm | 1270 / 1577 |
| GPON + XG(S)-PON Center Wavelengths | nm | 1270 /1310/1490/1577 |
| Insertion Loss | dB | ≤ 1 |
| Isolation CATV ► PON | dB | 30 @ 1545~1565 nm |
| Isolation COM ► PON | dB | 15 @ 1545~1565 nm |
| Return Loss | dB | ≥ 45 |
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 |
| Front Panel Management | 3.5” 480 x 320 Color Touch Screen LCD for 2U
2.4” 320 x 240 Color Touch Screen LCD for 1U |
| Amplifier Stabilization Mode | Pump Current |
| Output Optical Power | |
| Optical Gain | |
| Automatic Pump Shutdown Mode | Low Input Power (LOS) |
General Characteristics
| Parameter | Unit | Value |
| Power Supply | pcs | 2 (1 default, 1 optional) |
| Chassis Type | — | 1U, 2U, 19’’ Rack Mounted |
| AC Input Voltage | Vac | 95 ~ 264 |
| DC Input Voltage | Vdc | 36 ~ 72 |
| Power Consumption | W | ≤35 (16x19dBm @0dBm Input) |
| Dimension (W x H x D) | mm | 484 * 44 * 385 (1U) |
| mm | 484 * 88 * 292 (2U) | |
| Operating Temperature Range | °C | -5 ~ +65 |
Welcome to get price of PL2000B 1550nm EDFA PON combiner.
PL2000B: Professional EDFA PON Combiner Solution
The essential 1550nm EYDFA for combining high-power CATV with XGSPON & GPON data streams.
- Full Spectrum Integration: Built-in WDM supports 1270/1310/1490/1577nm pass-through with low insertion loss (≤1.0dB).
- Touch-Controlled Efficiency: The industry’s first touchscreen LCD for intuitive on-site management and 0.1dB power tuning.
- Carrier-Grade Stability: Redundant dual hot-pluggable power supplies (AC/DC) ensure 24/7 network uptime.
- Laser Protection: Integrated Back Reflection Power Meter monitors link integrity to prevent pump laser damage.
- Cost-Effective Scalability: Available in 1U/2U rack-mount with up to 128/256 ports for massive FTTx distribution.
Technical FAQ: EDFA PON Combiner
Q1: What defines an “EDFA PON Combiner” in FTTx networks?
A: An EDFA PON Combiner (like PL2000B) integrates the Erbium-Doped Fiber Amplifier with WDM filters. It amplifies the 1550nm CATV signal and combines it with the OLT’s data signals (1310/1490nm for GPON or 1270/1577nm for XGSPON), allowing all services to run on a single fiber.
Q2: Does the PL2000B support both 2.5G GPON and 10G XGSPON?
A: Yes. It is designed for next-generation networks. The integrated combiner supports the full spectrum of wavelengths required for both legacy GPON and high-speed XGSPON, ensuring future-proof deployment.
Q3: How does the Automatic Pump Shutdown mode work?
A: To ensure long-term reliability, the PL2000B monitors the input power. If the input signal is lost (LOS), the system automatically shuts down the pump lasers to prevent damage, restarting only when the signal is restored.
Q4: Is the PL2000B compatible with remote NMS systems?
A: Absolutely. It supports standard SNMP v1/v2c and has a built-in Web interface. Technicians can monitor thresholds, alarms, and output power remotely from any standard browser.
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.

