OEM-Compatible Optics · Layer 03

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Form Factors & Speeds

Every speed.
Every form factor.

Form FactorData RateCommon ReachConnectorTypical UseAltnet Suffix
SFP1G550m MMF / 10km SMFLC / RJ-45Access layer, edge switches-ALT
SFP+10G300m MMF / 10km SMFLCDistribution, data center ToR-ALT
SFP2825G100m MMF / 10km SMFLCServer uplinks, spine-leaf-ALT
QSFP+40G150m MMF / 10km SMFMPO / LCData center uplinks-ALT
QSFP28100G100m MMF / 10km SMFMPO / LCCore switching, data center-ALT
QSFP-DD400G100m MMF / 2km SMFMPOHyperscale, data center core-ALT
DAC / AOC10G–400G1m–10m / 10m–100mSFP+ / QSFP28Rack-to-rack, ToR to server-ALT
OEM Compatibility

Works with every
major platform.

Every Altnet Fiber transceiver is programmed and tested to initialize identically to the OEM original — no unsupported warnings, no CLI overrides needed.

QSFP transceivers and fiber patch cables in network switch
Cisco 100% Compatible

Catalyst, Nexus, ASR, ISR, and Meraki platforms. GLC, SFP-10G, QSFP, CWDM, DWDM series.

SFP-10G-SR GLC-SX-MMD QSFP-100G-SR4 CWDM-SFP-1550
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Juniper 100% Compatible

EX, QFX, MX, SRX, and PTX series switches and routers. Full EX-SFP and QFX-SFP catalog.

EX-SFP-10GE-SR EX-SFP-10GE-LR JNP-QSFP-100G
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Arista 100% Compatible

7000 and 7500 series EOS platforms. AR-SFP and AR-QSFP series for all speed tiers.

AR-SFP-10G-SR AR-QSFP-40G-SR4 AR-QSFP-100G-SR4
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HPE / Aruba 100% Compatible

ProCurve, FlexFabric, and Aruba switching platforms. J4, J8, J9, JD, JL, JW series.

J9150D J9151E JL484A
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Dell 100% Compatible

PowerSwitch, Force10, and S-Series platforms. 407-, 321-, 330-, and 331- series.

407-BBOS 407-BCBN 321-BCQV
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+ More 3,900+ SKUs

Also compatible with Brocade, Fortinet, Ubiquiti, NetGear, Nokia/ALU, D-Link, and more.

XBR-SFP-10G-SR UF-MM-10G
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MSA
Compliant

Every Altnet Fiber transceiver is built to Multi-Source Agreement standards — the same standard the OEMs specify.

100%
Tested

Every unit is programmed, serialized, and tested before it ships. DOM support standard on all compatible SKUs.

Lifetime
Warranty

Limited lifetime warranty. If it fails, we replace it. Same promise as the OEM — without the OEM price.