Cisco Systems Transceiver Modules

Cisco Systems SFP-OC12-MM= Part #: SFP-OC12-MM=	Cisco Systems SFP-OC12-SR= Part #: SFP-OC12-SR=	Cisco Systems SFP-OC3-IR1 Part #: SFP-OC3-IR1
Cisco Systems SFP-OC3-IR1= Part #: SFP-OC3-IR1=	Cisco Systems SFP-OC3-LR1 Part #: SFP-OC3-LR1	Cisco Systems SFP-OC3-LR1= Part #: SFP-OC3-LR1=
Cisco Systems SFP-OC3-LR2 Part #: SFP-OC3-LR2	Cisco Systems SFP-OC3-LR2= Part #: SFP-OC3-LR2=	Cisco Systems SFP-OC3-MM Part #: SFP-OC3-MM

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November 12, 2025

Terabit Systems

Technician inspecting network switches in a data center with caption.

The Case for Second-Hand: Why Smart Network Teams Are Buying Refurbished Gear

The enterprise IT world has a bias toward the new: new gear, new firmware, new models. But for many network operators, architects, and data center managers, that’s starting to change. The cost, complexity, and delay of buying brand-new hardware is pushing smart teams to rethink their...

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