400GBASE-ER4 QSFPDD 1310NM 40KM 400G Ethernet Transceiver LC SMF
General:
The 400G QSFP-DD-ER4 transceiver is designed for use in 400Gb/s network applications, the maximum transmission distance is 40km.
400G QSFP-DD-ER4 is a fully integrated optical transceiver modulated using 4-level pulse amplitude modulation (PAM4) format that transmits and receives optical signals with aggregated data rate of 425Gbps over 4 lanes on nLWDM wavelength grids each running at 106.25Gbps.
They are compliant with the QSFP-DD MSA and 400GBASE-ER4 optical specifications. This product is compliant with RoHS.
| Part Number | Description |
| QSDD-400G-ER4 | 400G QSFP-DD ER4 Optical Transceiver |


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FAQ
Q:Do you sell second-hand products?
A:No.All our products are brand new,we never use secont-hand components.
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A:T/T,Paypal,Western Union are acceptable.
Q:What are the shipping ways can you offer?
A:Our usual shipping ways are DHL,FedEX,TNT,UPS,EMS etc.It will take 3-7days.
Q:Do your products come with warranty?
A:Yes,We provide 3 years warranty for all our products from the date of shipment.
Q:How to place an order?
A:1>Order details confirmed,please tell us the model and quantity you need.
2>Proforma Invoice confirmed, the order will be arranged upon receipt of your payment.
3>Confirm and ship the goods, then tracking number will be sent to you promptly.
4>We will help to track your goods until you receive them safely.
As we have various kinds of products,if you can't find the correct item you need,please send us inquiry.We will follow up shortly.