QSFP+ 40G LR4 1310nm SM LC DDM 10km optical transceiver module
QSFP+ LR4 single-mode optical module, 40 Gb speed, LC duplex connector, 10 km range
Universal transceivers programmed before shipment
Multiple compatibility changes possible
Compliant with MSA standard
DDM/DOM diagnostic module
Stable operation of the optical module
️ LighBoard programmer for simple configuration (2 clicks)
Delivery from European warehouse

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Warranty 24 months

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Warranty 24 months
QSFP+ 40G 10km fiber optic transceiver
The QSFP+ 40GBASE-LR4 module is designed for data transmission using two single-mode (SM) fibers. It transmits data at speeds of up to 40 Gbps, over distances of up to 10 km. It works with 4 CWDM 10Gb/s DFB lasers (1271, 1291, 1311, 1331nm). The optical connector type is 2xLC/UPC duplex. The module is compatible with the QSFP MSA standard.
We program the transceivers before shipping to work with any manufacturer of switch, converter, server card. If you did not find the manufacturer's name in the list, select the "Other" option at the end of the list.
Example application of QSFP+ LR4 optical module
Specifications - basic parameters
LightOptics LO-QSP-40G-LR4-10 transceiver - QSFP+ 40G LR4 1310nm SM LC DDM 10km:
- Transmission type: duplex - two SM single-mode fibers
- Module speed: 40 Gbp/s
- Transmission distance: up to 10 km
- Wavelength: 1295.56 nm, 1300.05 nm, 1304.58 nm, 1309.14 nm - averaged wavelength of 1310 nm
- Optical connector: 2 x LC/UPC
- Built-in diagnostics module: DDM/DOM
- Works with equipment from leading network equipment manufacturers
- Compatible with: QSFP MSA (Multi-Source Agreement) specification