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- In Stock: 1
- Manufacturer: 3Com
- Model or Part: 3C781
- Condition: Refurbished
- Weight: 5.00lb
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Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
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Overview
The 3Com LinkBuilder FDDI Management Module (model 3C781) is a compact, high-performance interface that adds full Fibre Distributed Data Interface (FDDI) capabilities to your network infrastructure. Designed for reliability and ease of integration, this module enables seamless monitoring, configuration and control of FDDI rings from a single point, helping you maintain optimal throughput and fault tolerance in demanding LAN environments.
Key Features
- Integrated management processor with SNMP support for remote monitoring
- Auto-negotiation of ring speed up to 100 megabits per second
- Plug-in design compatible with standard 3Com chassis and backplane slots
- LED status indicators for power, link activity and fault detection
- Low power consumption reduces overall system heat load
Technical Specifications
- Model number: 3C781
- Interface type: Dual-port FDDI (full duplex)
- Data rate: 100 megabits per second per port
- Connector: Standard ST fiber optic connectors
- Operating temperature: 0 to 55 degrees Celsius
- Power supply: 12 VDC, 1.5 A max
- Dimensions: 4.2 in (H) x 7.8 in (W) x 10.5 in (D)
- Compliance: IEEE 802.5, RoHS compliant
Applications
- Enterprise campus networks requiring high availability and low latency
- Data center interconnects where ring topology provides redundancy
- Legacy systems that still rely on FDDI for mission critical traffic
- Industrial automation environments needing robust fiber connections
- Research institutions that demand deterministic network performance
By integrating the 3Com LinkBuilder FDDI Management Module into your infrastructure, you gain precise control over ring health, rapid fault isolation and scalable bandwidth-all while preserving the proven stability of FDDI technology.