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FAQs for QSFP+

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What does QSFP+ stand for?

Quad Small Form-Factor Pluggable Plus. It is the second generation, 10-14G per lane version of this four lane interconnect type.

What is your standard turn around time for delivery?

Siemon carries high levels of inventory on standard lengths (0.5m, 1m, 1.5m, 2m, 2.5m, 3m, and 5m). Other lengths are available in 4 to 6 weeks.

What gauges and lengths do you offer?

30 AWG, 28 AWG, and 26 AWG cables are available. Standard lengths are 0.5m, 1m, 1.5m, 2m, 2.5m, 3m, and 5m. Custom lengths are available upon request.

Do you offer custom EEPROM programming?

Yes, upon request. Cables with custom EEPROMs will be supplied under a different part number.

What product documentation do you offer?

Product specification sheets, customer use drawings, signal integrity reports, 3rd party interoperability reports and EEPROM content tables are available on our website.

Do you have design qualification test data?

Yes, mechanical and electrical test data is available upon request.

Do you offer production test data?

We can provide production test data for insertion loss and return loss, NEXT and FEXT upon request. Standard production testing includes insertion loss and return loss. All test data is stored by cable serial number.

What are the other key product attributes?

Our automated termination proces insures our cable assemblies exhibit best in class impedance and cross talk performance.

What cable jacket color is available?

Standard jacket color is black. Red, white and blue jackets are available on special order.

Are Siemon QSFP+ cables returnable?

Standard lengths are returnable within 90 days. Non-standard lengths are not returnable.

Where do you manufacture these cables?

China. We inventory cables in several of our global manufacturing locations for regional supply. Contact Siemon customer service for additional information.

Where are these cable assemblies used?

These are “point-to-point” cables that are used to directly connect two pieces of active network equipment like switch-to-switch or switch-to-server applications. They are most commonly used in data centers for ToR (top of rack) or MoR (middle of rack) aka leaf-spine applications that require increased bandwidth.

Do these products support the 10G per lane data rate and for what standards?

Yes, up to 5 meters per current InfiniBand QDR standards and IEEE 802.3ba 40GBASE-CR4.

Do these products support 14/16G per lane data rate?

Yes, up to 3 meters per current InfiniBand FDR standards.

Will these products support 25G per lane data rates?

Our current QSFP+ product will not support 25G per lane data rates. We currently offer QSFP28 interconnect per the Ethernet 100GBASE-CR4 specification.

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