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The KCO-QDD-400G-DR4 400GBASE-DR4 module features an MTP/MPO-12 connector, supporting transmission distances of up to 500m over parallel single-mode fiber.
This fiber optic module is fully compliant with the QSFP-DD MSA, IEEE 802.3bs protocol, and 400GAUI-8 standards.
The 400 Gigabit Ethernet signal is carried over four parallel lanes with one wavelength per lane, making it highly versatile for use as a 4x100G breakout to QSFP-DR-100G.
It delivers a highly cost-effective and low-power consumption solution optimized for 400GBASE data center applications.
Designed as a compatible 400GBASE-DR4 QSFP-DD (Quad Small Form-Factor Pluggable – Double Density) Transceiver, it operates over Single-Mode Fiber (SMF) optical cabling.
It supports DDM/DOM optical diagnostics, providing real-time data regarding present operating conditions. The transceiver operates reliably within a standard 0°C to 70°C temperature range.
Supporting up to 425 Gbps data rates, this multi-purpose module is ideal for diverse high-demand network locations, particularly in Internet Service Provider (ISP), Mobile Operator, and Data Center Core Networks.
| Compatible Brand | Cisco Compatible |
| Part Number | KCO-QDD-400G-DR4-S |
| Form Factor | QSFP-DD |
| Max Data Rate | 425Gbps (4x106.25Gb/s) |
| Wavelength | 1310nm |
| Distance | 500m |
| Connector | MPO-12/APC |
| Modulation (Electrical) | 8x50G-PAM4 |
| Temperature Range | 0 to 70°C |
| Modulation Format | PAM4 |
| Receiver Type | PIN |
| DDM/DOM | Supported |
| TX Power | -2.9~4.0dBm |
| Min Receiver Power | -5.9dBm |
| Media | SMF |
| Modulation (Optical) | 4x100G-PAM4 |
| Warranty | 3 years |
Upgrade just one site to 400G gear and easily connect it to existing 100G configurations.
Reconfigure the transceiver easily to ensure compatibility with different network system brands.
Every unit undergoes strict quality testing inside target switches to guarantee flawless operations.
Qualified via standard processes with advanced test equipment to ensure durable, long-term performance.
A: The transceiver supports transmission distances of up to 500 meters over parallel single-mode fiber (SMF).
A: This module features an MTP/MPO-12 (MPO-12/APC) interface connector for optimal optical link connection.
A: Yes, it fully supports DDM/DOM (Digital Diagnostic Monitoring/Digital Optical Monitoring) to provide real-time operating metrics such as temperature and optical power.
A: Yes, the module can be configured as a 4x100G breakout solution to interface with QSFP-DR-100G units.
A: The transceiver operates within the standard commercial temperature range of 0°C to 70°C.
A: The module is compliant with the QSFP-DD MSA specification, IEEE 802.3bs protocol, and 400GAUI-8 electrical interface standards.
