SK-FSL | Silent Knight Single-Mode Fiber Card for SK-NIC Network Interface

Silent Knight · Cables & Connectivity

SK-FSL | Silent Knight Single-Mode Fiber Card for SK-NIC Network Interface

Description  The Silent Knight SK-FSL Fiber Card, Single Mode, is a plug-in communication module designed to link multiple fire alarm control panels via fiber-optic cable. It connects directly to the SK-NIC network interface card, enabling high-speed single-mode data transmission for large, networked fire alarm systems.     Technical Specifications  Condition New/Never Used Surplus Brand Silent Knight Category Fire Alarm Components Part Number SK-FSL Subcategory Fiber-Optic Communication Module Communication Type Single-Mode Fiber Connector Type LC Fiber Size 9/125 μm Maximum Attenuation 30 dB Mounting Type Plug-In Card (for SK-NIC) Supported Protocol ARCNET Compatibility SK-NIC, 6820, 6820EVS, 6808, 6700 Panels Network Capacity Up to 17 Panels per Network Temperature Range 32°F to 120°F (0°C to 49°C) Humidity Range 0%–93% RH (non-condensing) Dimensions 4.0” H × 2.5” W × 0.25” D (10.16 × 6.35 × 0.635 cm) Compliance ANSI/UL 864, 9th Edition Weight 6.4 oz (181.4 g)   Information About SK-FSL The SK-FSL is a single-mode fiber loop module designed for use with the Honeywell Silent Knight SK-NIC Network Interface Card to create reliable fiber-optic communication links between control panels. It supports 9/125 μm single-mode fiber with LC-style connectors and can tolerate up to 30 dB of signal attenuation, ensuring excellent transmission quality even across long distances. The module works as either a transmitter or receiver in an ARCNET communication circuit, allowing full-duplex data flow across fire alarm networks. Designed to integrate with Silent Knight 6000 Series panels, including the 6820, 6820EVS, 6808, and 6700 models, the SK-FSL enables multi-site communication and simplified system management. Key Features: Single-Mode Fiber Compatibility: Designed for 9/125 μm single-mode fiber cables, offering reliable, interference-free data transmission over extended distances. High Signal Attenuation Tolerance: Maintains consistent performance with up to 30 dB attenuation, making it suitable for complex installations and long cable runs. LC-Style Connectors: Utilizes compact and secure LC connectors for easy fiber termination and strong signal integrity. Plug-In Installation Design: Simple, tool-free installation directly into the SK-NIC slot allows quick upgrades or replacements without rewiring. Dual Fiber Loop Operation: Supports up to two fiber loop cards per SK-NIC, enabling network redundancy and flexible configuration between single- and multimode modules. ARCNET Network Communication: Enables high-speed ARCNET data transfer for fast and reliable synchronization between fire alarm panels. UL 864, 9th Edition Certified: Complies with ANSI/UL standards for safety and performance in fire alarm applications. Environmental Resilience: Engineered to function in temperatures from 32°F to 120°F and up to 93% relative humidity, ensuring stable performance in demanding environments. The SK-FSL delivers the reliability and precision required for long-range, high-performance fiber-optic communication in networked fire alarm systems.

Brand: Silent Knight · Category: Cables & Connectivity

Key features

Specifications

Manufacturer part numberSK-FSL
ConditionNew/Never Used Surplus
BrandSilent Knight
CategoryFire Alarm Components
Part NumberSK-FSL
SubcategoryFiber-Optic Communication Module
Communication TypeSingle-Mode Fiber
Connector TypeLC
Fiber Size9/125 μm
Maximum Attenuation30 dB
Mounting TypePlug-In Card (for SK-NIC)
Supported ProtocolARCNET
CompatibilitySK-NIC, 6820, 6820EVS, 6808, 6700 Panels
Network CapacityUp to 17 Panels per Network
Temperature Range32°F to 120°F (0°C to 49°C)
Humidity Range0%–93% RH (non-condensing)
Dimensions4.0” H × 2.5” W × 0.25” D (10.16 × 6.35 × 0.635 cm)
ComplianceANSI/UL 864, 9th Edition
Weight6.4 oz (181.4 g)
Product typeFiber-Optic Communication Module

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