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The LQ-BL859140-SRC is a Four-Channel Pluggable, LC Duplex, Fiber-Optic QSFP+ Transceiver for 40 Gigabit Ethernet Applications.This transceiver is a high performance module for short-range duplex data communication and interconnect applications. It integrates four electrical data lanes in each direction into transmission over a single LC duplex fiber optic cable. Each electrical lane operates at 10.3125 Gbps and conforms to the 40GE XLPPI interface.
| LINK-PP Part Number | LQ-BL859140-SRC | Vendor Name | LINK-PP |
| Form Factor | QSFP+ | Max Data Rate | 40Gbps |
| Wavelength | 850/910nm | Max Cable Distance | 100m |
| Connector | Duplex LC | Media | MMF |
| Transmitter Type | VCSEL | Receiver Type | PIN |
| Protocols | QSFP+ MSA, IEEE 802.3ba XLPPI electrical interface Compliant | Commercial Temperature Range | 0°C to +70°C |
| Application | 40G Ethernet over duplex MMF, Enterprise Data Center, Allows upgrades from 10GBASE-SR without changing fiber plant |

Take advantage of our testing program to evaluate the reliability and performance of our optical transceivers.
40G Connectivity for Data Center
LINK-PP’s 40G QSFP+ optical transceivers are engineered to deliver high-performance, reliable, and cost-effective connectivity solutions for modern data centers and enterprise networks. Featured with low-power, high-density, and high-speed, the QSFP+ transceiver provides an ideal solution to help networks quickly ramp up to 40G transmission.




Center Wavelength | 850nm | 850nm | 850nm | 1310nm | 1310nm | 1310nm |
Connector | MTP/MPO-12 (8 of the 12 Fibers Used) | Duplex LC | MTP/MPO-12 (8 of the 12 Fibers Used) | Duplex LC | Duplex LC | Duplex LC |
Cable Distance (Max.) | 100m@OM3 150m@OM4 | 240m@OM3 350m@OM4 | 400m@OM4 | 2km | 150m@OM3 2km@SMF | 40km |
Cable Type | MMF | MMF | MMF | SMF | MMF/SMF | SMF |
Transmitter Type | VCSEL | VCSEL | VCSEL | DFB CWDM | VCSEL | DFB CWDM |
Commercial Temperature Range | -40°C to +85°C | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C |
Power Consumption | ≤1.5W | ≤3.5W | ≤1.2W | ≤3.5W | ≤3.5W | ≤3.5W |
Protocols | IEEE 802.3 40GBASE-SR4, SFF-8436 | QSFP+ MSA, IEEE 802.3ba XLPPI electrical interface Compliant | 40G Ethernet, SATA/SAS3, IEEE 802.3ba, MSA Compliant | 40G Ethernet, Fibre Channel, SATA/SAS3, MSA Compliant | 40G Ethernet, MSA Compliant | OTN OTU3, 40G Ethernet, SATA/SAS3, MSA Compliant |
Application | Data Center 40GBASE Ethernet | Enterprise Data Center 40GBASE Ethernet 40G Upgrade Solution | Data Center 40GBASE Ethernet | Data Center 40GBASE-FR4 Ethernet | Data Center 40GBASE Ethernet | Rack to rack Metro networks 40GBASE Ethernet |
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