Silent Knight SK-FSL Fiber-Optic Single-Mode Module

Silent Knight SK-FSL — single-mode fiber-optic plug-in module for the SK-NIC network interface card.

This module does not carry SLC traffic. It converts one channel of the SK-NIC ARCNET panel-to-panel network onto single-mode fiber, so that networked Silent Knight panels in separate buildings can share one communications and annunciation link without a copper run between them. Each module handles one transmit and receive fiber pathway.

• Single-mode fiber, LC-style connectors, 9/125 µm cable
• Maximum attenuation 30 dB
• Standby current 0.079 A; alarm current 0.079 A
• Up to two fiber loop modules per SK-NIC, and multi-mode and single-mode modules may be mixed on the same card
• Supports a fiber network of up to 17 panels; fiber and copper segments may be mixed
• Compatible panels: 6820, 6820EVS, 6808 and 6700
• Listed to ANSI/UL 864 9th edition; 32°F to 120°F, 0 to 93 % RH noncondensing

The sibling is the SK-FML, the multi-mode module: ST-style connectors, 62.5/125 µm cable, 8 dB maximum attenuation and 0.053 A. The two are not interchangeable — the connector style and the installed fiber plant decide which one fits, so match the module to the cable already pulled.