StarTech SFPLCCAP10 SFP/LC Port Dust Cap - 10 Pack

Overview

The StarTech SFPLCCAP10 is a 10-pack of rubber dust caps sized for SFP transceiver slots and LC fiber connectors. Every open port on a network switch, patch panel, or media converter is a path for dust, debris, and moisture to reach the optical contacts — SFPLCCAP10 covers those unused ports during storage, shipping, or after a transceiver is pulled for maintenance. This is a maintenance and protection accessory, not an active networking component, so there's no throughput or compression spec to evaluate — the job is purely physical port protection.

Key Features

• 10-pack quantity: covers a full switch chassis or a mixed batch of spare transceivers in one purchase, so you're not buying single caps repeatedly as ports get decommissioned or serviced.
• Rubber construction: flexible enough to seat and pull without cracking, unlike rigid plastic caps that can snap off in a cold data closet or crack under repeated handling during patch panel work.
• Operating temperature 0C to 70C (32F to 158F): holds up in unconditioned equipment rooms, outdoor cabinets, and warehouse MDF closets where HVAC isn't guaranteed.
• Compact footprint (0.6 in x 0.5 in x 0.2 in per cap): low profile enough to avoid crowding adjacent SFP slots or LC adapters on a densely populated switch or patch panel.
• Black finish: blends with standard switch and patch panel housings instead of drawing attention as a visible mismatch.
• Light package footprint (10 caps at 0.4 oz shipping weight): easy to keep a spare set in a technician's kit or spares bin without adding meaningful weight or bulk.

Integration & Compatibility

SFPLCCAP10 is sized for standard SFP cage openings and LC connector footprints, making it a practical companion when you're provisioning or decommissioning ports on network switches and media converters. If you're actively populating a chassis, pair spare caps with your StarTech catalog SFP transceiver purchases so every empty slot gets covered as modules are swapped rather than left exposed. For sites planning out fiber runs and port counts from scratch, a PoE and network planning guide is a useful reference for sizing switch capacity before you get to port-level housekeeping like dust protection.

What's in the Box

• 10x SFP/LC rubber dust cap

Frequently Asked Questions

Q: What does the SFPLCCAP10 fit?

A: It's sized for SFP transceiver cage openings and LC fiber connector ports, for use on unused or idle ports.

Q: How many caps come in the SFPLCCAP10 package?

A: The package includes 10 individual dust caps.

Q: What material is the SFPLCCAP10 made from?

A: Black rubber, chosen for flexibility during repeated insertion and removal.

Q: What temperature range can the SFPLCCAP10 handle?

A: 0C to 70C (32F to 158F), suitable for standard indoor equipment rooms and unconditioned closets.

Q: What's the warranty on the SFPLCCAP10?

A: 2-year manufacturer warranty.

Marty Allison

SFPLCCAP10 is one of those parts nobody thinks about until a spare SFP slot picks up enough dust to cause link errors six months down the line. It's a 10-pack of rubber caps sized for SFP cages and LC connectors, rated 0C to 70C (32F to 158F), so it holds up fine in an unconditioned wiring closet or a cabinet out in the warehouse.

Technical Highlights:

• 10-pack quantity: enough to cap a fully populated 24 or 48-port switch's spare slots in one order, or to seed a tech's spares kit without reordering every job.
• Rubber material: flexes on insertion and removal instead of cracking, which matters if the same cap gets pulled and reseated during transceiver swaps.
• Compact size (0.6 in x 0.5 in x 0.2 in, 0.3 oz per cap): low-profile enough to not interfere with tightly spaced SFP cages on dense switch panels.

Deployment Considerations:

• Cap every unused SFP slot and LC port as soon as a transceiver or patch cord is pulled — dust ingress on an idle port is invisible until you try to use it later and get intermittent link issues.
• These are passive dust protection only — they don't provide any optical or electrical function, so don't confuse them with actual SFP transceivers or LC connectors when doing inventory counts.

A straightforward fit for any site doing a switch refresh or decommissioning fiber runs — order enough SFPLCCAP10 packs to cover every port you're taking offline, not just the ones you notice.