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Technical Data Sheet

49Y7890 — Lenovo 1m QSFP+ InfiniBand/fibre optic cable QSFP+

Lenovo · SFP TRANSCEIVER

PRODUCT OVERVIEW

49Y7890: Lenovo 1m QSFP+ InfiniBand/fibre optic cable QSFP+.

QSFP+ provides flexible connectivity for 40Gb Ethernet. For 40Gb-to-40Gb connectivity, clients can use QSFP+ Direct Attach Cables up to 7 meters. For 40Gb connectivity over longer distances, use a QSFP+ transceiver and QSFP+ MTP optical cables.

To increase the number of available 10Gb ports, use QSFP+ DAC Break Out Cables to split out each 40Gb port and connect up to four 10Gb SFP+ external ports using copper or leverage the eSR4 Transceiver and 40G eSR4 MTP-4xLC OM3 MMF Breakout Cables for distances up to 300 meters. For 40Gb connectivity over longer distances, use a QSFP+ transceiver and QSFP+ MTP optical cables.

SPECIFICATIONS

Part Number	49Y7890
Manufacturer	Lenovo

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COMPONENT DIAGRAM

TYPICAL APPLICATIONS

Data center top-of-rack switching
High-speed server interconnects (10G/25G/40G/100G)
Storage network fabric (iSCSI, FCoE)
Campus and branch network infrastructure
Firewall and security appliance connectivity
WAN edge and SD-WAN deployments

SUBSTITUTES & CROSS-REFERENCES 2

00D5802CompatiblePARTNER

IBM Cable DAC 40GbE QSFP+ to QSFP+ Passive Copper 1m - P/N

compatible

49Y7934CompatiblePARTNER

IBM Cable DAC 40GbE QSFP+ to QSFP+ Passive Copper 1m - FRU

compatible

LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 2

00D5802SUBSTITUTE

IBM Cable DAC 40GbE QSFP+ to QSFP+ Passive Copper 1m - Option

IBM

49Y7934SUBSTITUTE

IBM Cable DAC 40GbE QSFP+ to QSFP+ Passive Copper 1m - Option

IBM

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FREQUENTLY ASKED QUESTIONS

What is 49Y7890?

49Y7890 is a Lenovo 1m QSFP+ InfiniBand/fibre optic cable QSFP+ manufactured by Lenovo.

What parts can replace 49Y7890?

There are 2 known substitutes for 49Y7890: 00D5802, 49Y7934. Substitute compatibility should be verified for your specific system.

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