COMMANDO LightningFIBER SFP Module Data Sheet

QSFP-LR4-40G transceivers

Product Overview

COMMANDO LightningFIBER QSFP-LR-40G is QSFP+ (Quad Small Form-Factor Pluggable Plus) operates at Wavelength 1310nm on single mode fiber transceiver based on IEEE 802.3ba Ethernet standard with SFF-8436, providing a faster and reliable interface speed of 40Gbps Ethernet applications. The product implements Digital Diagnostics Monitoring (DDM) via a 2-wire serial bus, compliant with the SFF-8472 standard.

The module is designed to offer multi-vendor compatibility offering users flexibility, scalability without incurring additional overhead and increasing interoperability.

COMMANDO QSFP+ transceiver module is for transmission at 1310nm over single mode fiber. The QSFP+ transceiver is featured with low-power, high-density, high-speed and offers an efficient way to help your IT infrastructure to be quickly scaled up and ready for up to 40Gbps transmission. It supports distances up to 10Km link lengths via LC duplex connectors. It offers customers a wide variety of 40Gbps connectivity to multi-vendor equipment like routers, switches, server, NICs of data center, enterprise wiring closet, and service provider transport applications. It is ideal for Internet Service Provider (ISP) 40G communication links, Enterprise LAN & SAN Networks, Data Center LAN & SAN networks, and other optical links. It can be used as uplink for 40Gbps Quad Small Form-Factor Pluggable Plus (QSFP+) Fiber Network Module for delivering robust performance and Cloud networking needs of growing businesses, data centers and high-end campus networks.



Product Highlights

Multi-vendor platform compatible
Supports 44.6Gb/s bit rates
Hot-pluggable QSFP+ footprint
1310nm VCSEL laser transmitter
LC duplex Connector
Compliant with IEEE 802.3ba, 40GBASE-LR4
Compliant with SFF-8436
Built-in Digital Diagnostic Monitoring (DDM) functions
Up to 10Km on SMF
Low power consumption (Module work consumption <1W)
Single power supply 3.3V
RoHS Compliant
Class 1 laser product complies with EN 60825-1
Operating temperature range (Case Temperature): 0◦C to 70◦C
Applications: 40GBASE-LR Ethernet, 40G Fiber Channel, 40G CPRI
Standard and compact size, fully metallic enclosure for Low EMI



General Specifications

Parameter Symbol Min Type Max Unit Remarks
Data Rate DR 39.83 44.6 44.9 Gb/s 1
Bit Error Rate BER - - 10-12 - -
0 - 70 ◦C 3
-5 - 85 ◦C 3
-40 - 85 ◦C 3
Storage Temperature TSTO -40 - 85 ◦C 3
Supply Current Icc - 180 290 mA 4
Input Voltage Vcc 3.14 3.3 3.46 V -
Maximum Voltage VMAX -0.5 - 4 V 4
  1. IEEE 802.3ba
  2. Case temperature
  3. Ambient temperature
  4. For electrical power interface

Optical – Characteristics – Transmitter

VCC=3.14V to 3.46V, TC
Parameter Symbol Min Typ Max Unit Remarks
Output Optical Power PTX -7 - -1 dBm 1
Optical Center Wavelength λC 1300 - 1315 nm -
Optical Modulation Amplitude OMA - -1.5 - dBm 2
Extinction Ratio ER 3 5.5 - dB -
Spectral Width (RMS) Δλ - - 0.45 nm -
Relative Intensity Noise RIN - - -128 dB/Hz -
Transmitter Dispersion Penalty TDP - - 3.9 dB -
Transmitter Jitter - - - - - 3
Launch Power of OFF Transmitter POUT_OFF - - -30 dBm 1
  1. Average
  2. IEEE 802.3ba
  3. According to IEEE 802.3ba requirement

Optical – Characteristics – Receiver

VCC=3.14V to 3.46V, TC
Parameter Symbol Min Typ Max Unit Remarks
Optical Center Wavelength λC 1300 - 1315 nm -
Receiver Sensitivity @41.2Gb/s RX_SEN - - -10 dBm 1
Receiver Overload POL 0.5 - - dBm -
Receiver Reflectance TRRX - - -12 dB -
LOS Assert LOSA -30 - - dBm -
LOS De-Assert LOSD - - -14 dBm -
LOS Hysteresis LOSH 0.5 - - dB -
  1. Measured with worst ER; BER<10−12; 231-1 PRBS

Electrical – Characteristics – Transmitter

VCC=3.14V to 3.46V, TC
Parameter Symbol Min Typ Max Unit Remarks
Input differential impedance RIN - 100 - -
Differential data input swing VIN PP 180 - 700 mV -
Transmit disable voltage VD 2 - VCC V -
Transmit enable voltage VEN VEE - VEE+0.8 V -

Electrical – Characteristics – Receiver

VCC=3.14V to 3.46V, TC
Parameter Symbol Min Typ Max Unit Remarks
Differential data output swing VOUT PP 300 - 850 mV -
Data output rise/fall time (20%-80%) tr/tf 28 - - ps -
LOS Assert VLOS A 2 - VCC HOST V -
LOS De-Assert VLOS D VEE - VEE+0.5 V -

Digital Diagnostic Monitor (DDM) Functions

COMMANDO QSFP-LR-40G transceiver module supports 2-wire serial communication protocol as defined in SFF-8472. Digital diagnostic information is accessible over the 2-wire interface at address 0xA2. Digital diagnostics for QSFP-LR-40G are internally calibrated by default. The internal micro control unit accesses the device’s operating parameters such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver supply voltage in real time. The module implements the alarm function of the SFF-8472, alerts the user when a particular operating parameter exceeds the factory-set normal range.

DDM Threshold Information

Parameter Alarm Threshold Warning Threshold
High Value Low Value High Value Low Value
  C 90 (5A 00) -10 (F6 00) 85 (55 00) -5 (FB 00)
E 90 (5A 00) -10 (F6 00) 85 (55 00) -5 (FB 00)
I 90 (5A 00) -45 (D3 00) 85 (55 00) -40 (D8 00)
Vcc (V) 3.63(8D CC) 2.97 (74 04) 3.46 (87 28) 3.13 (7A 44)
Bias (mA) 15 (1D 4C) 1 (01 F4) 12 (17 70) 2 (03 E8)
TxPower (dBm) 0.79 (2E E0) -7.97 (06 3C) 0.0 (27 10) -7.0 (07 CB)
RxPower (dBm) 3.01 (4E 20) -16.02 (00 FA) 0.0 (27 10) -13.0 (01 F5)

Product Weight

Net weight of module: 15.7g /pc
Net weight of dust cap: 0.95g /pc


All dimensions are ±0.2mm unless specified otherwise Unit: mm



Features and Benefits

Easy to Use

COMMANDO QSFP+ Transceivers are easy to use with simple and hassle-free setup. Its compact and standard size makes it ideal for all top brand devices along with COMMANDO products. Easy Installation, Plug-and-play installation with no configuration required.

40 Gigabit speed with Reliable performance

It provides and offers 40Gbps speed. These QSFP+ are well built and rigorously tested and can sustain in very rough environment to provide reliable performance.

Dust proof Enclosure

It is protected from any hardware failures with Extra Long operational life. With this feature protect on cost and the impact to your business by losing these network devices and thus the users/servers connected to them.

Support uninterrupted critical network infrastructure

It is protected from any hardware failures with Extra Long operational life. With this feature protect on cost and the impact to your business by losing these network devices and thus the users/servers connected to them.

Cost Efficient

State of art quality product that can serve with world’s top brand products along with COMMANDO devices on real time high-speed Performance, highly reliable, conformance to international open standards, durable, serviceable, aesthetics, perceived quality, enhanced performance leads to value to money.

Green Technology

It automatically adjusts power consumption according to the link status to limit the carbon footprint of your network. It also complies with RoHS, prohibiting the use of certain hazardous materials. Moreover, most of the packaging material can be recycled and reused.




High Performance

Low power consumption <1W typically, saving power
100us typical latency, MTBF over 1 million hours
QSFP+ Multi source Agreement (MSA) Compliant
Input Voltage: 3.1V DC to 3.5V DC Maximum / 3.3V DC Typical.
Input Current 300mA Maximum / 200mA Typical.

Extra Long operational life

Stainless steel material
Anti-corrosion and salt spray resistance
Storage Relative Humidity: 5% to 95%
Exceptional Performance in Harsh Outdoor Climates with dust proof enclosure ensuring it can withstand harsh outdoor and indoor environments.

Operating temperature range

Commercial temperature range: 0 to 70°C (32 to 158°F)
COMMANDO Extended temperature range: -5°C to 85°C (23 to 185°F)
Storage temperature range: -40 to 85°C (-40 to 185°F)

Table 1 COMMANDO QSFP+ Hardware Specifications Comparison

Product Code Form Factor Transmission Speed IEEE Standard Compliance Connector Type TX Power
Receiver Sensitivity
SFP-SM-1G SFP 1000Mbps 1000BASE-LX/LH LC duplex -9.5 ~ -3dBm < -23dBm
SFP-MM-1G SFP 1000Mbps 1000BASE-SX LC duplex -9.5 ~ -3dBm < -17dBm
SFP-UTP-1G GBIC-T, SFP 1000Mbps 1000BASE-T RJ-45 Standard <1W
SFP-SR-10G SFP+ 10.3125Gbps 10GBASE-SR LC Duplex -7.3~-1dBm < -11.1dBm
SFP-LR-10G SFP+ 10.3125Gbps 10GBASE-LR LC Duplex -8.2~0.5dBm <-14.4dBm
SFP-ER-10G SFP+ 10.3125Gbps 10GBASE-ER LC Duplex -7.3~-1dBm < -11.1dBm
SFP-ZR-10G SFP+ 11.3Gbps 10GBASE-ZR LC Duplex 0~5dBm <-23dBm
SFP-UTP-10G 10GBASE-T SFP+ 10Gbps 10GBASE-T Copper CAT 6a/7 Standard <1W
QSFP-SR4-40G QSFP+ 41.2Gbps 40GBASE-SR4 MTP/MPO-12 Male -7.6~1dBm <-11.1dBm
QSFP -LR4-40G QSFP+ 44.6Gbps 40GBASE-LR4 LC duplex -7~2.3dBm <-11.5dBm
QSFP-SR4-100G QSFP28 103.1 Gbps 100GBASE-SR4 MTP/MPO-12 -8.4~2.4dBm <-10.3dBm
QSFP-LR4-100G QSFP28 103.125Gbps 100GBASE-LR4 LC duplex -4.3~4.5dBm <-10.6dBm




COMMANDO QSFP-LR-40G, QSFP+ is used for speed 40Gbps speed and It is a compact, hot-swappable device that plugs into a physical port of a network device. QSFP+ optics are used in communication networks and have a transmitting side (Tx) and a receiving side (Rx) work with 1310nm wavelengths on single mode fiber & supports up to 10Km link lengths over via an LC duplex connector.

Table 2. COMMANDO SFP Model Comparison

Product Code Center Wavelength (nm) Media Type Max Transmission Distance Digital Diagnostics Monitoring Supported
SFP-SM-1G GBIC-LX/LH, 1310nm MMF/SMF 550m/20km DDM
SFP-MM-1G GBIC-SX, 850nm   MMF 550m DDM
SFP-UTP-1G GBIC-T, RJ-45 Copper 100m Standard
SFP-SR-10G 10GBASE-SR, 850nm MMF 300m DDM
SFP-LR-10G 10GBASE-LR, 1310nm SMF 20km DDM
SFP-ER-10G 10GBASE-ER, 1550nm SMF 40km DDM
SFP-ZR-10G 10GBASE-ZR/ZW, 1550nm SMF 80km DDM
SFP-UTP-10G 10GBASE-T RJ-45 Copper CAT 6a/7 80m Standard
QSFP-SR4-40G 40GBASE-SR4, 850nm MMF 100m DDM
QSFP-LR4-40G 40GBASE-LR4, 1310nm SMF 10km DDM
QSFP-SR4-100G 100GBASE-SR4, 850nm MTP/MPO-12, MMF 100m DDM
QSFP-LR4-100G 100GBASE-LR4, 1310nm LC Duplex, SMF 10km DDM

Included in the bundle/box

All COMMANDO QSFP+, QSFP-LR4-40G Transceivers are made available for use globally along with accessory used to facilitate or enhance operations. COMMANDO QSFP-LR4-40G, QSFP+ Transceivers comes with following Accessories.

1x (COMMANDO 40G QSFP+ Transceiver Module) QSFP-LR4-40G



Support and Warranty

Same-day assistance.
Comprehensive 24-hour support using common communication/chat platforms, Email and Telephone.
Provide FAQs and troubleshooting help online (self-service) through cloud-based solutions.
Highly technical and trained representatives to resolve issues.
One-year default warranty with option of warranty extension up to 3 years

Table 3. Support and Warranty

Warranty and Support
Products covered COMMANDO LightningFIBER 40GBASE-LR, QSFP+, 1310nm, 10Km, SMF, DDM (QSFP-LR4-40G)
Warranty duration One Year RTB (Return To Base) replacement warranty – optionally extendable up to 3 years.
Hardware replacement COMMANDO, its resellers or its service center will use commercially reasonable efforts to replace the product subject to stock availability. Otherwise, a replacement will be arranged within 15 working days after receipt of the Return Materials Authorization (RMA) request.
End-of-life policy In case of discontinuation of the product, support is limited to 3 years from announcement date.
Effective date Hardware warranty commences from the date of shipment to customer (and in case of resale by a COMMANDO reseller, not more than 90 days after original shipment by COMMANDO).
Support duration Lifetime support.
COMMANDO Cis COMMANDO will provide 24x7 support for basic configuration, diagnosis, and troubleshooting of device-level problems for up to one year from the date of shipment of the originally purchased product. This support does not include solution or network-level support beyond the specific device under consideration.
Online Portal Access Warranty allows guest access to for all available technical queries.



Ordering Information

Ordering information for the COMMANDO QSFP+, QSFP-LR4-40G Transceivers, To place an order, please contact your local reseller/distributor or COMMANDO Sales Representative at

Table 4. Ordering Information

Product Code Description
SFP-SM-1G COMMANDO LightningFIBER 1000BASE-LX/LH, SFP, 1310nm, 20km, SMF, DDM
SFP-MM-1G COMMANDO LightningFIBER 1000BASE-SX, SFP, 850nm, 550m, MMF, DDM
SFP-UTP-1G COMMANDO LightningCOPPER 1000BASE-T SFP, Copper, RJ-45, 100m, Standard
SFP-SR-10G COMMANDO LightningFIBER 10GBASE-SR, SFP+, 850nm, 300m, MMF, DDM
SFP-LR-10G COMMANDO LightningFIBER 10GBASE-LR, SFP+, 1310nm, 20km, SMF, DDM
SFP-ER-10G COMMANDO LightningFIBER 10GBASE-ER, SFP+, 1550nm, 40km, SMF, DDM
SFP-ZR-10G COMMANDO LightningFIBER 10GBASE-ZR/ZW, SFP+, 1550nm, 80km, SMF, DDM
SFP-UTP-10G COMMANDO LightningCOPPER 10GBASE-T Copper RJ-45, SFP+, Up to 80m, CAT 6a/7
QSFP-SR4-40G COMMANDO LightningFIBER 40GBASE-SR4, QSFP+, 850nm, 100m, MMF, DDM
QSFP-LR4-40G COMMANDO LightningFIBER 40GBASE-LR4, QSFP+, 1310nm, 10km, SMF, DDM
QSFP-SR4-100G COMMANDO LightningFIBER 100GBASE-SR4, QSFP28+, 850nm, 100m, MTP/MPO-12, MMF, DDM
QSFP-LR4-100G COMMANDO LightningFIBER 100GBASE-LR4, QSFP28+, 1310nm, 10km, SMF, DDM



Document History

Release New or Revision Described in Date
Release 1 First Release First Release March 24, 2021
Release 2 Second Release Multi-brand compatibility improvement and model adjustment November 9, 2022




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