1M ST to ST Duplex SM Patch Lead – Secure Bayonet-Style Fibre Connections
The 1 Metre ST to ST Duplex Single Mode Patch Lead from Attac is designed for long-distance, low-loss fibre optic communication across structured cabling systems. Using traditional ST bayonet connectors on both ends, this patch lead is ideal for telecom installations, FTTH networks, optical labs, and legacy system integration.
Classic ST Connectivity with Modern Performance
This cable features two ST/UPC connectors, known for their spring-loaded, twist-lock bayonet style, offering excellent physical security and stable connections. With G657A or G652D single-mode fibre at its core, the patch lead ensures insertion loss ≤0.20dB and return loss up to 60dB—making it a dependable choice for high-performance optical communication.
Key Features
- Connector Type: ST/UPC to ST/UPC (Bayonet Style)
- Fibre Type: Single Mode G657A / G652D
- Configuration: Duplex (2 Fibre Cores)
- Length: 1 Metre
- Insertion Loss: ≤0.20dB
- Return Loss: ≥60dB
- Jacket Material: LSZH (Low Smoke Zero Halogen) or PVC
- Durability: 1000+ Mating Cycles
- Compliance: RoHS & IEC standards
Ideal Applications
- FTTH (Fibre To The Home) deployments
- Telecommunication networks
- Fibre optic testing labs
- Legacy infrastructure and retrofits
- Optical Distribution Frames (ODFs)
Safe and Efficient Cabling
The jacket is available in LSZH or PVC variants. The LSZH option enhances fire safety in enclosed environments by emitting minimal smoke and no halogen gases in case of fire—suitable for use in data centres, telecom rooms, and public buildings. The 1-metre length allows for clean, short-distance patching without clutter or slack.
Reliable Duplex Design
This patch lead’s duplex structure supports bidirectional transmission—essential for full-duplex systems. It enables simultaneous send/receive capability while keeping fibre management organised and efficient in high-density installations.
Tested for Performance and Longevity
Each unit is factory-tested for optical performance and physical durability. The ST connectors provide secure coupling with over 1000 mating cycles, ensuring a long-lasting, stable solution for mission-critical fibre networks.
Related Product
Need an SC interface instead? Check out our 1M SC to SC Duplex SM Patch Lead for modern snap-in connectors.
Frequently Asked Questions
What makes ST connectors different from SC or LC?
ST connectors use a bayonet-style twist-lock mechanism for secure connections, ideal in lab and legacy applications. SC and LC use push/pull snap-in styles more common in modern systems.
Is this patch lead compatible with older equipment?
Yes. ST connectors are widely used in legacy and test environments, making this patch lead a great choice for older systems or bridging new installations with existing infrastructure.
Is LSZH necessary for data centres?
While not mandatory, LSZH jackets are highly recommended in data centres and enclosed spaces due to their flame-retardant and non-toxic properties.
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