Product Short Description
Product Name: Enterasys A4H254-8F8T Mixed Media Switch Module
Product Series: Enterasys A4H Series Hybrid Fiber & Copper Port Switch Module
Product Brief: Composite access switch module integrating fiber ports and Ethernet electrical ports, applied to network access and convergence nodes, realizing simultaneous access of fiber and twisted-pair cable devices.
Description
- Port Configuration: 8 × 100BASE-FX SC fiber ports + 8 × 10/100BASE-TX RJ45 electrical ports
- Fiber Port Rate: 100 Mbps
- Electrical Port Rate: 10/100 Mbps auto-negotiation
- Fiber Transmission Distance (Multi-mode): 2 km
- Switching Capacity: 3.2 Gbps
- Packet Forwarding Rate: 2.38 Mpps
- MAC Address Table: 8 K entries
Functional Features: Hybrid port access for fiber and copper cables; supports VLAN, QoS, port trunking, broadcast storm control; full-duplex/half-duplex adaptive for all ports; link fault detection and status indication.
Performance Parameters: Operating temperature: 0 °C ~ +50 °C; Storage temperature: -40 °C ~ +70 °C; Operating humidity: 5% ~ 95% RH (non-condensing); MTBF: ≥ 180,000 hours.
Material Composition: Shell: Metal alloy with anti-corrosion coating; Circuit board: Multilayer high-density FR-4 PCB; Fiber components: Optical transceivers and SC connectors; Electrical port components: RJ45 gold-plated connectors and isolation transformers.
Structural Characteristics: Plug-in card structure for A4H series chassis; front panel classified layout of fiber ports and electrical ports; independent LED status lights for each port; integrated heat sink for passive heat dissipation.
Working Principle: Fiber ports complete photoelectric signal conversion to process optical fiber data; RJ45 ports receive and transmit electrical signal data; internal switching chip unifies data forwarding, completes intercommunication between fiber network and copper cable network, and executes network management strategies.
Advantages & Highlights: Hybrid port design adapts to diversified wiring environments; flexible network access mode; compact structure saves chassis slot resources; stable signal transmission; rich Layer 2 management functions.
Applicable Industries: Intelligent building network, factory access network, community broadband network, municipal monitoring system, warehouse logistics network.
Installation Requirements: Install into standard Enterasys A4H series chassis; fix chassis on 19-inch standard rack; separate fiber cables and network cables during wiring; ensure the ambient environment is dry and well ventilated.
Usage Notes: Do not plug and unplug ports with power on frequently; protect fiber end faces and RJ45 contacts from dirt and damage; avoid working in high-humidity and corrosive environments; check port link status regularly.
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