VOSCOM OPTICAL CO.,LTD
VOSCOM OPTICAL CO.,LTD
Product Info
Contact Closure over Fiber Converter / Extender
Contact Closure over Fiber Converter / Extender
VOSCOM OPTICAL CO.,LTD
Region: China
Update: 2025/06/16
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Key Specifications
Contact Closure over Fiber Converter / Extender

4-Channel Duplex Contact Closure over Fiber Converter / Extender, for Alarm Event Triggering, Fire & Alarm Systems.

Key Features:

Dry Contact Closure over one fiber

By default, the dry contact closure status is normally open.

Pluggable terminal blocks

Multi-mode Fiber Support for Distances up to 500m

Single-Mode Fiber Support for Distances up to 60 km

LED Status Provide Rapid Indication of Operating Parameters

No EMI or RFI and no ground loops

Stand alone or rack-mount

VOSCOM Contact Closure over Fiber Converter / Extender, VOS-4FOM-DCCT/R support 4-Channel duplex contact closure over one multi-mode or single-mode optical fiber. The Dry Contact Fiber Optic Transmitter & Receiver are typically used in applications with Access Control System, Alarm Event Triggering, Building Automation and Environmental Control Systems, Fire & Alarm Systems, PIR signal Transmission, Traffic Signal Control Equipment, etc.

Stand-alone or rack-mount. All units of VOS-4FOM-DCCT/R come in an insert card version. The cards can be inserted into our our 16-slot, 19inch 4U rack-mountable card cage (VOS-CH04).

Single-Mode or Multi-Mode, VOS-4FOM-DCCT/R can support FC /PC or ST/PC Optical connector, can be used in Daisy-Chain system (Need to customize). The Transmission distance range according to the Optical Budget. Manufacturer's standard is: Single-mode 20km or Multi-mode 500m.

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