Cisco QSFP-40G-ER4 40GBase-ER4 QSFP+ Transceiver 1271-1331 nm 40 km LC DDM SMF Optical Transceiver Module
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| SPECIFICATIONS | |
| CDR | Supported |
| Connector | LC duplex |
| DDM/DOM | Supported |
| Wavelength | 1310nm |
| Form Factor | QSFP+ |
| TX Power | -2.7 ~ 4.5dBm |
| Max Data Rate | 44.6Gbps (4×11.2Gbps) |
| Media | SMF |
| Max Cable Distance | 40km** |
| Protocols | 40GBASE-ER4 40G Ethernet, OTU3, OTU3e1, OTU3e2, MSA Compliant |
| Receiver Type | APD |
| Receiver Sensitivity | <-21.2dBm |
| Transimitter Type | DFB CWDM |
The Cisco QSFP-40G-ER4 is a high-performance 40GBase-ER4 QSFP+ transceiver designed for reliable long-distance data transmission in data centers and enterprise networks. Operating within a wavelength range of 1271 to 1331 nm, it supports single-mode fiber (SMF) connections for distances of up to 40 kilometers. This compact module features a dual LC connector, ensuring easy installation and efficient space utilization. With integrated digital diagnostic monitoring (DDM) capabilities, it provides real-time insights into operational performance, enhancing network management and reliability. Ideal for high-bandwidth applications requiring extended reach, the QSFP-40G-ER4 ensures seamless connectivity and robust network performance over long distances.
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