Siemon MC6-25-06 Cat6 UTP SkinnyPatch Cord, 25 ft

Overview

The Siemon MC6-25-06 is a 25-foot Category 6 unshielded twisted pair (UTP) patch cord from Siemon's SkinnyPatch line — a slim-profile, 28 AWG cable engineered for high-density patch panels and structured cabling environments where standard-diameter cords create airflow and management headaches. If you're managing a dense rack or closet where cable bulk is a real operational problem, this is the cord to reach for. Compliant with ANSI/TIA-568.2-E and ISO/IEC 11801-1 Ed 1.0, the MC6-25-06 is built to spec, not just labeled to spec.

Browse the full Siemon cabling catalog for compatible patch panels, jacks, and structured cabling components.

Key Features

• Category 6 Performance at 1 Gbps: Rated to Cat6 electrical standards, this cord handles Gigabit Ethernet without derating — you get full 1 Gbps throughput to every port it connects, which matters when your switches are already provisioned for GbE and you can't afford a cabling bottleneck.
• 28 AWG Slim-Profile Construction: At 28 AWG, the conductor diameter is meaningfully thinner than conventional 24 AWG patch cords. That translates to a smaller outer diameter, less cable bulk in your cable management troughs, better airflow across your rack equipment, and easier dressing in tight spaces like high-density 1U patch panels or wall-mount enclosures.
• Gold-Plated RJ-45 Contacts: Gold plating on the RJ-45 contacts resists oxidation over time — relevant in environments with humidity variation, where base-metal contacts can degrade and introduce intermittent link failures. You get a reliable electrical connection that won't corrode after a year of service in a less-than-ideal wiring closet.
• CM and LSOH Dual Jacket Rating: The CM (Communications Multipurpose) rating satisfies NEC requirements for in-building horizontal runs. The LSOH (Low Smoke Zero Halogen) rating reduces toxic gas and smoke output in a fire event — a requirement in many European deployments and increasingly specified in US data centers, healthcare facilities, and public-access buildings. One SKU covers both North American and international compliance needs.
• ANSI/TIA-568.2-E and ISO/IEC 11801-1 Compliance: These aren't self-certified claims — they're internationally recognized structured cabling standards. Compliance means the cord's electrical characteristics (insertion loss, NEXT, return loss, etc.) have been validated against defined test limits, which matters when you're certifying a link or maintaining warranty on an installed cabling system.
• 25-Foot Length for Cross-Room Runs: At 25 feet, this cord covers equipment-room cross-connects, long patch bay runs, and inter-rack connections without requiring field-terminated cables. It keeps the link within Cat6 channel length budgets comfortably.
• Lightweight at 0.32 lb: The low weight of the 28 AWG construction means less mechanical stress on RJ-45 ports when the cord is routed vertically or over cable management arms — a practical benefit in densely cabled racks where port leverage is a real concern.

Integration and Compatibility

The MC6-25-06 terminates in standard RJ-45 connectors on both ends (male-to-male), making it compatible with any Cat5e, Cat6, or Cat6A jack or patch panel port. It's backward-compatible with 10/100 Ethernet and forward-compatible with 10GBASE-T applications within the Cat6 channel distance limits (up to 37 meters for 10G). Deploy it with PoE network switches feeding IP cameras, VoIP phones, or access control readers — the cord handles the power-carrying requirements of standard 802.3af/at PoE without issue at this length.

For structured cabling planning in security or IT infrastructure, see the cabling and infrastructure guides for patch cord length selection, bend radius, and density planning. If you're building out a camera network, review the IP camera category alongside your cabling infrastructure — cord length and jacket rating selection should align with your camera mounting positions and local code requirements.

The LSOH jacket also makes the MC6-25-06 a fit for plenum and riser cabling environments where smoke toxicity is a design constraint, though confirm with your AHJ for plenum-specific CMP requirements if applicable.

Frequently Asked Questions

Q: Is the MC6-25-06 compatible with Cat6A patch panels?

A: Yes. The standard RJ-45 male connectors on the MC6-25-06 are physically compatible with Cat6A keystone jacks and patch panel ports. Electrically, the cord will operate at Cat6 performance levels, not Cat6A — which is fine for Gigabit Ethernet but limits 10GbE runs to the Cat6 channel distance ceiling of approximately 37 meters.

Q: Why is 28 AWG used instead of the standard 24 AWG?

A: The thinner 28 AWG conductor produces a smaller cable diameter, which reduces bulk in high-density patch environments. This improves airflow and simplifies cable management in dense 1U panels. The tradeoff is slightly higher DC resistance compared to 24 AWG, but at 25 feet this has no practical impact on Gigabit Ethernet performance.

Q: What does the LSOH jacket rating mean for my installation?

A: LSOH (Low Smoke Zero Halogen) means the jacket material emits minimal smoke and no halogen gases when burned. This is a life-safety specification required in many international deployments and increasingly specified in US healthcare, hospitality, and public-assembly buildings. If your local code or project spec calls for LSOH, this cord meets that requirement.

Q: Can the MC6-25-06 carry PoE power for IP cameras or phones?

A: Yes. The cord supports standard IEEE 802.3af (15.4W) and 802.3at PoE+ (30W) power delivery. At 25 feet and 28 AWG, the DC resistance is well within limits for these PoE classes. For PoE++ (802.3bt, 60–90W), verify with your switch and device power budget — higher-current applications may see more voltage drop on 28 AWG at extended lengths.

Q: What standards does the MC6-25-06 comply with?

A: The MC6-25-06 is compliant with ANSI/TIA-568.2-E (the US structured cabling standard for balanced twisted-pair cabling) and ISO/IEC 11801-1 Ed 1.0 (the international generic cabling standard). Both standards define electrical performance limits for Category 6 components and channels.

Q: Is this cord suitable for plenum-rated installations?

A: The MC6-25-06 carries a CM (Communications Multipurpose) jacket rating, not CMP (Communications Multipurpose Plenum). For installations inside air-handling plenums, a CMP-rated cord is required by the NEC. The LSOH rating addresses smoke toxicity but does not substitute for the NEC CMP plenum rating in US installations.

Marty Allison

The MC6-25-06 gets specified on a lot of our high-density security and IT rack builds precisely because of the 28 AWG slim profile — when you're landing 48 patch cords into a 1U panel and need airflow to reach the equipment behind it, shaving conductor diameter is one of the few tools you actually have. Siemon's SkinnyPatch construction delivers that without compromising the Cat6 electrical spec.

Technical Highlights:

• 28 AWG Slim Profile: Meaningfully smaller outer diameter than 24 AWG cords — in a 48-port panel, that's the difference between a manageable cable bundle and a wall of cord that blocks airflow to your switches and cameras.
• Gold-Plated RJ-45 Contacts: Oxidation-resistant contacts matter in IDF closets with inconsistent climate control. Gold plating keeps the electrical interface clean over years of service — fewer intermittent link faults chased down during off-hours.
• CM + LSOH Dual Jacket: One SKU satisfies both NEC CM requirements for US deployments and LSOH smoke-toxicity requirements for international or healthcare projects. Less SKU proliferation in your cable inventory.

Deployment Considerations:

• At 28 AWG, verify your PoE budget math for 802.3bt (PoE++) devices at this 25-foot length — voltage drop is manageable for 802.3af/at but worth confirming on higher-wattage loads like pan-tilt cameras drawing 60W or more.
• The CM jacket rating does not satisfy NEC CMP plenum requirements — if any portion of the run passes through an air-handling plenum, you need a CMP-rated cord, not this one.

This cord fits naturally into high-density security camera distribution frames, structured MDF/IDF builds in commercial office or healthcare facilities, and any rack environment where cable management and airflow are being actively engineered — not just an afterthought.