Product comparison · 2 network transceiver modules

LevelOne 155Mbps Single-mode SFP Transceiver, 20km, 1310nm vs LevelOne 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm

Key differences

Maximum data transfer rate
- 155Mbps Single-mode SFP Transceiver, 20km, 1310nm:155 Mbit/s
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:1250 Mbit/s
Fiber cable diameters supported (core/cladding)
- 155Mbps Single-mode SFP Transceiver, 20km, 1310nm:9/125 µm
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:62.5/125 µm
Maximum transfer distance
- 155Mbps Single-mode SFP Transceiver, 20km, 1310nm:20000 m
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:2000 m
Tx power (min)
- 155Mbps Single-mode SFP Transceiver, 20km, 1310nm:-15 dBmW
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:-9.5 dBmW
Tx power (max)
- 155Mbps Single-mode SFP Transceiver, 20km, 1310nm:-8 dBmW
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:1 dBmW
Networking standards
- 155Mbps Single-mode SFP Transceiver, 20km, 1310nm:IEEE 802.3u
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:IEEE 802.3z

Differences highlightedShow differences only

Comparison of SFP-1311, SFP-3111
37 specifications	A LevelOne 155Mbps Single-mode SFP Transceiver, 20km, 1310nm Model SFP-1311 View product	B LevelOne 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm Model SFP-3111 View product
Performance6 differ
Maximum data transfer rateDiffers	155 Mbit/s	1250 Mbit/s
Single-mode fiber (SMF) supportedKnown for one	Yes	Unknown — not stated by the source
Fiber cable diameters supported (core/cladding)Differs	9/125 µm	62.5/125 µm
Maximum transfer distanceDiffers	20000 m	2000 m
Tx power (min)Differs	-15 dBmW	-9.5 dBmW
Tx power (max)Differs	-8 dBmW	1 dBmW
Link budgetKnown for one	17 dB	Unknown — not stated by the source
Networking standardsDiffers	IEEE 802.3u	IEEE 802.3z
Multi-mode fiber (MMF) supportedKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Logistics dataidentical
Country of originKnown for one	China	Unknown — not stated by the source

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.