QSFP 40G LR4 1310nm Dual LC DDM
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40G QSFP+ ER4 1310nm Transceiver
The 40G QSFP+ ER4 optical transceiver is designed for high-speed 40G Ethernet transmission over single-mode fiber (SMF).
It supports long-distance communication from 10km up to 60km, making it ideal for data centers, ISP backbone, and metro networks.
Key Specifications
| Parameter |
Specification |
| Product Type |
40G QSFP+ ER4 Optical Transceiver |
| Data Rate |
41.25 Gb/s (4 × 10.3125 Gb/s) |
| Transmission Distance |
10 km / 20 km / 30 km / 40 km / 60 km (SMF) |
| Wavelength |
1271 / 1291 / 1311 / 1331 nm (CWDM) |
| Connector Type |
Duplex LC |
| Fiber Type |
Single Mode Fiber (9/125 µm) |
Optical Characteristics
| Parameter |
Specification |
| Laser Type |
CWDM DML Laser |
| Receiver Type |
PIN ROSA |
| Launch Power (Per Lane) |
1 to 6 dBm (distance dependent) |
| Receiver Sensitivity |
Up to –15 dBm |
| Optical Return Loss |
≥ 20 dB |
Electrical & Power
| Parameter |
Specification |
| Power Supply |
+3.3 V |
| Power Consumption |
≤ 4.5 W |
Monitoring (DDM)
| Supported Parameters |
Module Temperature, Voltage, Bias Current, TX Power, RX Power
|
Standards & Compliance
|
QSFP+ MSA, IEEE 802.3ba (40G Ethernet), InfiniBand QDR/DDR/SDR
|
Operating Temperature
| Commercial |
0°C to +70°C |
| Industrial |
–40°C to +85°C |
Applications
- 40G Ethernet Networks
- Data Centers
- ISP Backbone & Metro Networks
- Enterprise Core Networks
Available Variants
- 40G QSFP+ ER4 – 10km
- 40G QSFP+ ER4 – 20km
- 40G QSFP+ ER4 – 40km
- 40G QSFP+ ER4 – 60km