Cisco MA-QSFP-40G-LR4 Cisco SFP/SFP+/QSFP/XFP transceiver
Brand: Cisco | Category: Transceivers & Cables
SKU: CSC-MA-QSFP-40G-LR4 | Part #: MA-QSFP-40G-LR4 | MPN: MA-QSFP-40G-LR4
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About the Cisco MA-QSFP-40G-LR4 Cisco SFP/SFP+/QSFP/XFP transceiver
The Cisco MA-QSFP-40G-LR4 Cisco SFP/SFP+/QSFP/XFP transceiver from Cisco is enterprise-grade Transceivers & Cables hardware built for data centers. It features 40GbE interface. The Cisco MA-QSFP-40G-LR4 is a 40 Gigabit Ethernet QSFP+ optical transceiver engineered for long-reach single-mode fiber deployments across enterprise campus and data center interconnect environments. Built on a four-lane WDM architecture, it transmits 40G aggregate throughput by multiplexing four 10G lanes across four distinct wavelengths (1271 nm, 1291 nm, 1311 nm, and 1331 nm) over a single duplex LC fiber pair, providing a practical and infrastructure-efficient path to 40 Available in brand new condition. Cisco transceivers & cables products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Cisco |
| Category | Transceivers & Cables |
| SKU | CSC-MA-QSFP-40G-LR4 |
| Part Number | MA-QSFP-40G-LR4 |
| Condition | New |
| Interface | 40GbE |
| Manufacturer Part Number | MA-QSFP-40G-LR4 |
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps |
| Ethernet Standard | IEEE 802.3ba 40GBASE-LR4 |
| Fiber Type | OS2 Single-Mode Fiber (SMF) |
| Connector Type | Duplex LC |
| Wavelengths | 1271 nm, 1291 nm, 1311 nm, 1331 nm (LAN-WDM) |
| Number of Lanes | 4 x 10G (WDM multiplexed onto single fiber pair) |
| Maximum Reach | 10 km |
| Digital Optical Monitoring (DOM) | Supported |
| Hot-Swappable | Yes |
| Operating Temperature | 0°C to 70°C (commercial) |
| Compliance | IEEE 802.3ba, QSFP+ MSA, RoHS |
| Host Platform Compatibility | Cisco Meraki MS-series, select Cisco Catalyst platforms |
| Firmware Integrity Check | Passes Cisco IOS and Meraki firmware validation natively |
| Encoding | 64B/66B |
Frequently Asked Questions about Cisco MA-QSFP-40G-LR4 Cisco SFP/SFP+/QSFP/XFP transceiver
What does the Cisco MA-QSFP-40G-LR4 Cisco SFP/SFP+/QSFP/XFP transceiver do?
The Cisco MA-QSFP-40G-LR4 Cisco SFP/SFP+/QSFP/XFP transceiver is enterprise IT hardware deployed in production data centers, server rooms, and edge sites across the GCC and EMEA region.