QSFP 40G LR4 1310nm Dual LC DDM - 20km

40G QSFP+ ER4 1310nm Transceiver (10km – 60km)

Product Description

40G QSFP+ ER4 optical transceivers designed for high-speed 40G Ethernet transmission over single-mode fiber (SMF).
Available in multiple distance options from 10km up to 60km, suitable for data centers, ISP backbone, and metro networks.

Key Specifications

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 nm / 1291 nm / 1311 nm / 1331 nm (CWDM)

Connector Type
Duplex LC

Fiber Type
Single Mode Fiber (9/125 µm)

Optical Characteristics

Laser Type
CWDM DML Laser

Receiver Type
PIN ROSA

Average Launch Power (Per Lane)
1 to 6 dBm (distance dependent)

Receiver Sensitivity (Per Lane)
Up to –15 dBm (distance dependent)

Optical Return Loss Tolerance
≥ 20 dB

Electrical & Power

Power Supply Voltage
+3.3 V

Power Consumption
≤ 4.5 W (varies by distance and temperature grade)

Monitoring

Digital Diagnostic Monitoring (DDM)
Module Temperature
Supply Voltage
Bias Current
TX Optical Power
RX Optical Power

Standards & Compliance

QSFP+ MSA Compliant
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

Ordering Information

Form Factor: QSFP+
Interface: LC
Fiber: SMF
Monitoring: DDM