Product comparison · 2 network transceiver modules

LevelOne 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm vs LevelOne 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm

Key differences

Fiber cable diameters supported (core/cladding)
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:62.5/125 µm
- 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm:9/125 µm
Maximum transfer distance
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:2000 m
- 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm:20000 m
Tx power (min)
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:-9.5 dBmW
- 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm:-8 dBmW
Tx power (max)
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:1 dBmW
- 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm:-3 dBmW
Networking standards
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:IEEE 802.3z
- 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm:IEEE 802.3ah
Weight
- 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm:20 g
- 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm:22 g

Differences highlightedShow differences only

Comparison of SFP-3111, SFP-9331
35 specifications	A LevelOne 1.25Gbps Multi-mode SFP Transceiver, 2km, 1310nm Model SFP-3111 View product	B LevelOne 1.25Gbps Single-mode BIDI SFP Transceiver, 20km, TX 1550nm / RX 1310nm Model SFP-9331 View product
Performance5 differ
Multi-mode fiber (MMF) supportedKnown for one	Yes	Unknown — not stated by the source
Fiber cable diameters supported (core/cladding)Differs	62.5/125 µm	9/125 µm
Maximum transfer distanceDiffers	2000 m	20000 m
WavelengthKnown for one	1310 nm	Unknown — not stated by the source
Tx power (min)Differs	-9.5 dBmW	-8 dBmW
Tx power (max)Differs	1 dBmW	-3 dBmW
Networking standardsDiffers	IEEE 802.3z	IEEE 802.3ah
Duplex systemKnown for one	Full	Unknown — not stated by the source
Single-mode fiber (SMF) supportedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	20 g	22 g

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.