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D-Link 10GBASE-SR Multi-Mode XFP Transceiver, DEM-421XT

 

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D-Link
Part no DEM-421XT
Ascent part no 389355
NZ support 0800-900-900
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Designed to support distances up to 300 meters, the DEM-421XT is a high performance 850nm Multi-Mode XFP transceiver. Supporting Full-duplex, 10Gigabit speeds on Multi-Mode fiber cables. The DEM-421XT is 802.3ae 10GBASE-SR compliant and supports Full-duplex 802.3x Flow control. The DEM-421XT provides the necessary signal amplification for data to be transmitted to the network cable from the port, and vice versa.

The DEM-421XT is hot swappable. You can remove or replace the transceiver with the system powered on. This permits modules and transceivers to be added or swapped without interrupting network systems.

Note: Requires DEM-420X 10G Ethernet XFP module to function
D-Link DEM-421XT 10Gigabit XFP (10GBASE-SR). Basic switching RJ-45 Ethernet ports quantity: 1. Full duplex

Designed to support distances up to 300 meters, the DEM-421XT is a high performance 850nm Multi-Mode XFP transceiver. Supporting Full-duplex, 10Gigabit speeds on Multi-Mode fiber cables.The DEM-421XT provides the necessary signal amplification for data to be transmitted to the network cable from the port, and vice versa. The DEM-421XT is hot swappable. You can remove or replace the transceiver with the system powered on. This permits modules and transceivers to be added or swapped without interrupting network systems.

- 300 meters, the DEM-421XT is a high performance 850nm Multi-Mode XFP transceiver.

- Supporting Full-duplex, 10Gigabit speeds on Multi-Mode fiber cables.

- The DEM-421XT is 802.3ae 10GBASE-SR compliant and supports Full-duplex 802.3x Flow control.

- The DEM-421XT provides the necessary signal amplification for data to be transmitted to the network cable from the port, and vice versa.

- The DEM-421XT is hot swappable.

- You can remove or replace the transceiver with the system powered on.



This permits modules and transceivers to be added or swapped without interrupting network systems.

* 802.3ae 10GBASE-SR Compliance

* Supports Full-Duplex 802.3x Flow Control

* +3.3V/5V power supply support

* Compliant with Multi-Source Agreement (MSA) Small

* Form Factor Pluggable (XFP)

* Duplex LC connector

* Full duplex 802.3x Flow Control support

* Built-in 2-wire digital management and diagnostic interface





Standard

IEEE 802.3ae 10GBASE-SX 10Gigabit Ethernet



Transceiver Type

XFP (Small Form Factor Pluggable)



Connector

Duplex LC



Data Rates

10.3125Gbps to 10.51875Gbps



Wavelength

850nm



Cable Type

Multi-mode fiber



Maximum Cable Distance Coverage

300 m



Voltage

+3.3V and +5.0V support



Operating Temperature

0o to 70 oC



Storage Temperature

-40o to 85 oC



Humidity

0% to 85% RH



Emission

FCC Class B

CE

Extended specs

ModelDEM-421XT
Product nameDEM-421XT XFP Module
Product typeExpansion Module
NotesDEM-421XT

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D-Link
Part no DEM-421XT
Ascent part no 389355
NZ support 0800-900-900
  • Free NZ deliveryNo hidden fees
  • 100% Kiwi owned34 years in business
  • Net Promoter Score 94Rated by our customers
Questions? (04) 802 3890


"Fast shipping!" Shane, 19 September 2026
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