Finisar’s FTLC1154RDPL QSFP28 transceiver modules are designed for use in 100 Gigabit Ethernet links on up to 10km of single mode fiber. They are compliant with the QSFP28 MSA, IEEE 802.3ba 100GBASE-LR4 and IEEE 802.3bm CAUI-4. Digital diagnostics functions are available via the I2C interface, as specified by the QSFP28 MSA and Finisar Application Note AN-2152 and AN-2153. The optical transceiver is compliant per the RoHS Directive 2011/65/EU. See Finisar Application Note AN-2038 for more details.
| Compatible OEM | Cisco® |
| Compatible With OEM Part Number(s) | QSFP-100G-LR4-S |
| Transceiver Type | LR4 |
| Reach | 10km |
| Connector | LC |
| Form Type | QSFP28 |
| Wavelength | 1295nm to 1309nm |
| Media | SMF |
| Speed Description | 100-Gigabit |
| Environment | 0 to 70C |
| Speed | 100GBase |
Features of QSFP-100G-LR4-S
- Wide Application Scenarios
- High Reliability and Best Price
- Quality Certifications
- Protocols
Specification of QSFP-100G-LR4-S
| Cisco Code | QSFP-100G-LR4-S |
| Form Factor | QSFP28 |
| Wavelength | 1310nm |
| Transmitter Type | 4 x LAN WDM EML |
| DDM/DOM | Supported |
| Max Cable Distance | 10km |
| Max Data Rate | 103.125Gbps (4x 25.78Gbps) |
| Connector | Duplex LC |
| Power Consumption | ≤3.5W |
| Power Budget | 6.3dB |
| Receiver Type | PIN |
| Protocols | IEEE 802.3 100GBASE-LR4, QSFP28 MSA, SFF-8665, SFF-8636 |
My QSFP-100G-LR4-S isn’t functioning; what can I do?
Verify the compatibility, ensure the connection is secured firmly, and confirm the fiber is not more than 10 kilometers.
Is it Possible to Utilize the QSFP-100G-LR4-S on Older Devices?
To effectively use QSFP-100G-LR4-S, first ensure that any old device you wish to use it with has QSFP28 ports and is compatible with 100G speeds.






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