Utilizes QSFP+ hot-pluggable form factor for a 4-channel optical module (available in both transceiver and receiver-only DPI versions)
Features 4-channel non-cooled CWDM DML lasers and high-sensitivity PIN-TIA
Uses multiplexers and demultiplexers based on TFF or AAWG technology
Compliant with QSFP+ MSA and IEEE 802.3ba 40GBASE-LR4 Ethernet transmission protocol
Maximum transmission rate of up to 41.25Gbps (optional 40GE/OTU3 dual-rate version)
Transmits over a pair of single-mode fibers with distances of up to 2km, 10km, or 20km
Power consumption less than 2.5W
Dual LC optical connectors
Options for commercial and extended operating temperature ranges
Power supply voltage of 3.3V
Compliant with RoHS environmental standards (lead-free)
| Parameter | Value |
| Media Type: | Single-Mode Fiber (SMF) |
| TX Wavelength: | 1310 nm. |
| RX Wavelength: | 1310 nm. |
| Minimum Optical Budget: | 6.6 dB |
| Maximum Distance: | 10km |
| Supported Data Rate: | 39.81 – 44.8 Gbps |
| Supported Applications: | 40G Ethernet (41.25Gbps), STM-256 (39.81 Gbps), OTU3 (43.01Gbps), OTU3e2 (44.58Gbps) |
| DDM/DOM: | Supported |
| Temperature Range: | Standard 0°-70°C |
| Connectors: | Double LC |
| Tx Wavelength Bandwidth: | 4 WDM Seperated 1310nm Lanes (13 nm (1271, 1291, 1311, 1331)) |
| Rx Wavelength Bandwidth: | 4 WDM Seperated 1310nm Lanes (13nm (1271, 1291, 1311, 1331)) |
| Minimum Transmitting Power: | -6 dBm |
| Maximum Transmitting Power: | 3 dBm |
| Receiver Sensitivity: | -12.6 dBm |
| Receiver Overload: | 3 dBm |
| Dispersion: | N/A |
| Transmitter Type: | DFB Laser |
| Receiver Type: | PIN photodiode |
| Chipset: | MAXIM, MINDSPEED, SEMTECH, UX |
| Power: | 3.3V single power supply |
| Compliance: | 802.3ba 40GBASE-LR4, CE, Class 1 FDA and IEC60825-1 Laser Safety Compliant, INF-8438i, QSFP+ MSA, RoHS, SFF-8436 |
Products Portfolio
40G QSFP+ SR4
40G QSFP+ LR4
