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Cisco ISR4321/K9(KIT) – SFP Optical Transceiver Module | Circular Telecom

MPNISR4321/K9(KIT) OEMCisco CategorySFP optical transceiver module
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Part Overview

ISR4321/K9(KIT) overview

SFP optical transceiver module

Manufactured by Cisco, the ISR4321/K9(KIT) (ISR4321-K9 NIM-1GE-CU-SFP SL-4320-APP-K9 SL-4320-IPB-K9 PWR-4320-AC) is a SFP optical transceiver module. Circular Telecom sources, tests, and resells surplus and refurbished Cisco equipment like this as part of a lower-carbon alternative to new procurement.

Common Questions

Common questions about ISR4321/K9(KIT)

What is the Cisco ISR4321/K9(KIT)?

The Cisco ISR4321/K9(KIT) is a SFP optical transceiver module, listed by the manufacturer as "ISR4321-K9 NIM-1GE-CU-SFP SL-4320-APP-K9 SL-4320-IPB-K9 PWR-4320-AC". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.

Is the Cisco ISR4321/K9(KIT) available refurbished or as surplus stock?

Circular Telecom sources and resells surplus and refurbished Cisco network equipment, including parts such as the ISR4321/K9(KIT), subject to current availability. Contact Circular Telecom for a live quote.

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