Allied Telesis AT-8516F/SC Managed Fast Ethernet Switch

The Allied Telesis AT-8516F/SC is a Layer 2+ managed Fast Ethernet switch delivering 16 × 100Base-FX fiber optic ports with SC connectors in a compact 1U rack-mountable chassis. Built for electromagnetic and radio frequency interference environments, this switch combines fiber-optic physical security with advanced management capabilities suited to government, enterprise, and distributed network deployments.

Technical Specifications

• Port Configuration: 16 × 100Base-FX ports (SC connector), 2 modular expansion bays


• Switching Fabric: Layer 2+ / Layer 3 support


• MAC Address Table: 8,000 entries


• VLAN Support: Up to 255 VLANs


• Memory: 32 MB RAM, 4 MB Flash, 2 MB File System


• Processor: 200 MHz PowerPC CPU


• Latency: <11 microseconds (100Mbps ports), <40 microseconds (10Mbps ports)


• Operating Temperature: 0°C to 40°C (32°F to 104°F)


• Operating Humidity: 5% to 90% non-condensing


• Power: 100-240V AC, 4.0/2.0A, 50-60 Hz, 80W maximum consumption


• Redundant Power Supply: RPS connector supported

Key Features

• DoS attack detection and suppression


• IEEE 802.1x port-based network access control


• Radius/TACACS+ authentication support


• Port security and secure Telnet


• Ingress and egress rate-limiting


• CLI-based management interface and web browser access


• AT-S62 management software compatibility


• Multi-site stacking: up to 24 switches managed as single unit via CLI using open standards interfaces

Typical Applications Government and defense networks requiring fiber isolation from electromagnetic interference. Enterprise campuses with distributed facilities. Harsh industrial environments. Small to medium-sized networks requiring Layer 3 switching with centralized access control.

Compatibility & Integration 100Base-FX optical fiber cabling with SC connectors. Supports legacy and modern network management protocols including standard CLI, SNMP via management software, and web-based administration. RPS connector enables redundant power configuration for critical deployments.