Cisco QSFP-4X10G-LR-S Compatible 4 x 10GBASE-LR QSFP+ 1310nm 10km MPO-12/APC SMF Optical Transceiver Module provides a total of 40Gbps bandwidth by including four parallel 10Gbps lanes over single-mode fiber up to a distance of 10km. Each channel operates at a wavelength of 1310nm with DFB laser transmitters and PIN photodetectors, while typical power consumption is below 2.5W.
It is optimized for direct 40G interconnects or breakout to 4×10GBASE-LR SFP+ connections and supports MTP/MPO-12 APC interfaces and MTP/MPO-8 to 4xLC OS2 breakout cables. The module has been fully verified to interoperate with Cisco Catalyst 9300/9300LM/9400/9500/9600, Meraki MS425, and Nexus 9300/9500 series switches—perfect for any enterprise or data center environment.
The module is compatible with QSFP+ MSA and IEEE 802.3ba 40GBASE-PSM4 standards and includes full digital diagnostics monitoring (DDM/DOM) to provide real-time detection of optical power, temperature, and voltage, while a hot-pluggable construction is designed to support in-service installation without network downtime.
Compatible with Cisco QSFP-4X10G-LR-S, Huawei QSFP-40G-eSM4, Juniper QSFPP-4X10GE-LR, Arista QSFP-40G-PLR4, Mellanox MC2210511-PLR, Dell 407-BBQV-I, Brocade QSFP-40G-PLR4, Extreme Networks 10326, H3C QSFP-40G-LR4-PSM1310, and Intel E40GQSFPLR-2. Perfect for data centers, high-performance computing networks, and enterprise core or distribution layers.
Specifications
| Brand | BYXGD |
| Form Factor | QSFP+ |
| Aggregate Data Rate | 40 Gbps (4 × 10 Gbps) |
| Per-lane Line Rate | 10.3125–11.1 Gbps |
| Wavelength | 1310 nm (4 lanes) |
| Connector | MTP/MPO-12 Male (APC) |
| Fiber Type | SMF (G.652), core 9 μm |
| Max Distance | 10 km |
| Transmitter Type | 4 × DFB |
| Receiver Type | PIN photodiode array |
| TX Optical Power | -6 to -1 dBm |
| Receiver Sensitivity | < -14.4 dBm (per lane) |
| Receiver Overload | 0.5 to >1.0 dBm (per lane) |
| Power Budget | 8.4 dB |
| Modulation | NRZ |
| Host FEC | Supported |
| Bit Error Ratio (BER) | 1E-12 |
| Digital Diagnostics (DDM/DOM) | Supported via I2C |
| Power Consumption | ≤ 2.5 W |
| Operating Temperature | 0 to 70°C (32 to 158°F) |
| Storage Temperature | -40 to 85°C |
| Protocols | 40G Ethernet; IEEE 802.3ba; QSFP+ MSA; SFF-8436 |
| Safety & Compliance | IEC/EN 61000-4-2; IEC-60825; FDA 21CFR 1040.10/1040.11; RoHS |
| Applications | 40G Ethernet and OTU3; Datacom/Telecom switch & router connections; Data aggregation and backplane; High-performance computing networks; Infiniband SDR/DDR/QDR (4ch) |
| Breakout Support | 40G to 4 × 10GBASE-LR via MPO-8 to 4×LC OS2 breakout |
| Warranty | 5 Years |
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