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Cisco

Cisco DP04QSDD-ER1 | 400G QSFP-DD | 400GBASE-ER8 | 1310 nm | 40 km | LC duplex

SKU:DP04QSDD-ER1

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Description

Standards-based 400GBASE-ER8 QSFP-DD for 40 km single-mode links over the 1310 nm window using PAM4 optics. Ideal for long-range campus, metro access, or DCI over G.652/OS2 fiber without DWDM equipment. Simple Ethernet turn-up on switches and routers supporting 400G ER8.

Features

- Standards-based IEEE 400GBASE-ER8 for 40 km links
- 1310 nm long-reach PAM4 optics
- No DWDM line system required
- QSFP-DD form factor for high-density 400G ports
- Interoperable Ethernet operation across vendors implementing ER8

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Does this require DWDM or ROADMs?
A: No. 400GBASE-ER8 operates at 1310 nm and does not require DWDM or ROADM equipment.

Q: What is the maximum reach?
A: Up to 40 km over OS2 single-mode fiber, subject to link budget and fiber quality.

Q: Is it compatible with standard 400G QSFP-DD Ethernet ports?
A: Yes, provided the platform and software support 400GBASE-ER8.

Q: What connector does it use?
A: LC duplex on single-mode fiber.

Technical Specifications

- Data rate: 400 Gbps
- Form factor: QSFP-DD
- Optical standard: IEEE 400GBASE-ER8
- Optical type: 8-lane PAM4
- Wavelength: 1310 nm window
- Reach: Up to 40 km over SMF (OS2)
- Connector: LC duplex
- Fiber type: Single-mode (G.652/OS2)
- Host electrical interface: 400G (8x50G) QSFP-DD
- FEC: Ethernet FEC supported (e.g., RS-based as implemented by host)

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