Product comparison · 2 network transceiver modules

LevelOne QFP-3111 40Gbps PLR4 Single-mode QSFP+ PSM4 Transceiver, 10km, 1310nm, MPO-12 vs LevelOne QFP-3140 40Gbps ER4 Single-mode QSFP+ CWDM4 Transceiver, 40km, 1310nm, Duplex LC

28specifications compared
2differ
26identical
3known for one product only

Key differences

The LevelOne QFP-3140 40Gbps ER4 Single-mode QSFP+ CWDM4 Transceiver, 40km, 1310nm, Duplex LC has 30,000 m more maximum transfer distance than the LevelOne QFP-3111 40Gbps PLR4 Single-mode QSFP+ PSM4 Transceiver, 10km, 1310nm, MPO-12 (40000 m vs 10000 m). SFP transceiver standard: PSM4 on the LevelOne QFP-3111 40Gbps PLR4 Single-mode QSFP+ PSM4 Transceiver, 10km, 1310nm, MPO-12, ER4 on the LevelOne QFP-3140 40Gbps ER4 Single-mode QSFP+ CWDM4 Transceiver, 40km, 1310nm, Duplex LC.

SFP transceiver standard
- QFP-3111 40Gbps PLR4 Single-mode QSFP+ PSM4 Transceiver, 10km, 1310nm, MPO-12:PSM4
- QFP-3140 40Gbps ER4 Single-mode QSFP+ CWDM4 Transceiver, 40km, 1310nm, Duplex LC:ER4
Maximum transfer distance
- QFP-3111 40Gbps PLR4 Single-mode QSFP+ PSM4 Transceiver, 10km, 1310nm, MPO-12:10000 m
- QFP-3140 40Gbps ER4 Single-mode QSFP+ CWDM4 Transceiver, 40km, 1310nm, Duplex LC:40000 m

Side by side

Differences highlightedShow differences only

Comparison of QFP-3111, QFP-3140
31 specifications	A LevelOne QFP-3111 40Gbps PLR4 Single-mode QSFP+ PSM4 Transceiver, 10km, 1310nm, MPO-12 Model QFP-3111 View product	B LevelOne QFP-3140 40Gbps ER4 Single-mode QSFP+ CWDM4 Transceiver, 40km, 1310nm, Duplex LC Model QFP-3140 View product
Performance2 differ
SFP transceiver type	Fiber optic	Fiber optic
Maximum data transfer rate	40000 Mbit/s	40000 Mbit/s
Interface type	QSFP+	QSFP+
Single-mode fiber (SMF) supported	Yes	Yes
SFP transceiver standardDiffers	PSM4	ER4
Maximum transfer distanceDiffers	10000 m	40000 m
Wavelength	1310 nm	1310 nm
Coarse Wavelength Division Multiplexing (CWDM)Known for one	Unknown — not stated by the source	Yes
Ethernet interface type	40 Gigabit Ethernet	40 Gigabit Ethernet
Fiber ethernet cabling technology	40GBASE	40GBASE
Duplex systemKnown for one	Unknown — not stated by the source	Full
Digital Diagnostics Monitoring (DDM)	Yes	Yes
Fiber optic connectorKnown for one	MPO-12	Unknown — not stated by the source
Featuresidentical
Product colour	Silver	Silver
Form factor	QSFP+	QSFP+
Plug and Play	Yes	Yes
Hot-swap	Yes	Yes
Brand compatibility	MSA Compliant	MSA Compliant
Certificatesidentical
Compliance certificates	CE	CE
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes	Yes
Operational conditionsidentical
Minimum operating temperature	0 °C	0 °C
Maximum operating temperature	70 °C	70 °C
Operating temperature (T-T)	0 - 70 °C	0 - 70 °C
Storage temperature (T-T)	-40 - 85 °C	-40 - 85 °C
Operating relative humidity (H-H)	0 - 85%	0 - 85%
Storage relative humidity (H-H)	5 - 85%	5 - 85%
Packaging contentidentical
Quantity per pack	1 pc(s)	1 pc(s)
Packaging dataidentical
User guide	Yes	Yes
Logistics dataidentical
Customs product code (TARIC)	8517620000	8517620000
Harmonized System (HS) code	851762	851762
Country of origin	Taiwan	Taiwan

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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