| Depth | 2.83” [72 mm] |
| Lanes | 4 lanes, up to 11.1Gbps per lane |
| Width | 0.71” [18 mm] |
| Height | 0.33” [8.5 mm] |
| Capacity | Up to 44.4 Gbps per module |
| Standard | IEEE 802.3ba; SFF 8436 |
| Warranty | 5 Years |
| Compliance | TAA Compliant |
| Fiber Mode | Multi-mode |
| Wavelength | 850nm |
| Form Factor | QSFP+ |
| Link Budget | 2.3 dB |
| Power Input | 3.3V |
| Certification | IEC 60825-1, FDA CDRH 21-CFR 1040.10 Class 1 |
| Network Interface | 1 x MPO 40GBase-SR4 Network |
| Power Dissipation | SR4 < 1.5 Watts |
| Ethernet Technology | 40 Gigabit Ethernet |
| Storage Temperature | -40°C to +85°C |
| Operating Temperature | 0°C to +70°C |
| Maximum Distance On Om3 | 300m/985ft |
| Maximum Distance On Om4 | 400m/1313ft |
| Environmental Compliance | RoHS Compliant |
| Digital Diagnostic Monitoring | DMI |
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TN-QSFP-40G-SR4 uses an MPO connector for 40GBase-SR4 multimode fiber.
The listed reach is 400m/1313ft. on OM4 and 300m/985ft. on OM3.
Yes. The part row lists DMI, and the series features list Digital Diagnostic Monitoring.
The operating range is 0°C to +70°C. Storage range is -40°C to +85°C.
![10gbase-Sr/1000base-Sx, SFP+ with Dmi 850nm Multimode (Lc) [300/82/33m; 985/269/108 Ft.] Link Budget: 4.0 Db](https://pub-349a035c2102435c8cd97dcab8b68914.r2.dev/brands/lantronix/series/4fec8833ed88-TN-10GSFP-SRM.jpg)
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