QDD-400G-ZR-S

The Cisco QDD-400G-ZR-S is a high-performance QSFP-DD 400G-ZR DCO Pluggable transceiver, designed for C-Band tunable applications. It is ideal for telecommunications providers, large enterprises, and data center operators needing scalable and flexible optical solutions for high-speed data transmission.

Cisco QDD-400G-ZR-S Product Highlights

• ● Supports up to 400G
• ● C-Band tunable
• ● DCO pluggable
• ● QSFP-DD form factor
• ● Long-haul transmission

Product Features Comparison

Model	Maximum Data Rate	Tunable Wavelength	Form Factor	Transmission Distance	Power Consumption	Modulation Format
Cisco QDD-400G-ZR-S	400G	C-Band	QSFP-DD	Up to 120 km	15W	DCO
Cisco QSFP-40G-SR4	40G	No	QSFP+	100 m	3.5W	NRZ
Cisco QSFP-100G-ER4L	100G	No	QSFP28	40 km	4.5W	PAM4
Cisco QSFP-100G-LR4	100G	No	QSFP28	10 km	3.5W	NRZ
Cisco CFP2-100G-LR4	100G	No	CFP2	10 km	12W	NRZ
Cisco QSFP-DD-400G-SR8	400G	No	QSFP-DD	100 m	10W	PAM4
Cisco CFP2-DCO-200G	200G	C-Band	CFP2	80 km	20W	DCO

Cisco QDD-400G-ZR-S Product Application Scenarios

• ● Long-haul carrier networks
• ● Data center interconnects
• ● High-capacity metro networks

Optional Add-ons

Model	Description
Cisco CAB-Q-Q-0.5M	0.5m QSFP+ to QSFP+ Cable
Cisco CVR-QSFP-SFP10G	QSFP to SFP+ Adaptor
Cisco CWDM-MUX-8=	8-Channel CWDM Mux/Demux

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