ENTERASYS SSA-G1018-0652 SecureStack A4 18-Port Gigabit Managed Switch (Now Extreme Networks Legacy)

Manufacturer Background: Enterasys Networks acquired by Extreme Networks; SSA = SecureStack A standalone 1U rack switch series, SSA-G1018 = 18-port full gigabit managed switch, part suffix 0652 = hardware production variant code

Part Number: SSA-G1018-0652

Product Type: 1U 19-inch rack-mount industrial-grade managed Gigabit Ethernet switch, for factory automation DCS, power plant control network, enterprise office LAN

Core Hardware Ports: 18 × 10/100/1000BASE-T RJ45 full gigabit auto-sensing ports, no SFP uplink slots, non-PoE model

Matching Platform: Industrial control network (Foxboro I/A, Emerson Ovation DCS), enterprise office LAN, factory PLC/HMI/Motor drive interconnection; compatible with all standard Ethernet automation protocols (EtherNet/IP, Modbus TCP, OPC UA)

Core Function Overview: Wire-speed gigabit data forwarding, multi-layer traffic scheduling QoS, VLAN isolation, industrial anti-interference hardware design, full network security control, multi-channel remote management, wide temperature industrial operation, built-in redundant power protection, conformal coated PCB for corrosive plant environments.

1. Product Overview

SSA-G1018-0652 belongs to Enterasys SecureStack A4 SSA standalone switch series, a discontinued legacy managed gigabit switch widely deployed in process industry DCS control networks and enterprise office systems. It adopts 1U compact rack metal housing, built-in internal power supply, 18 full gigabit RJ45 ports without fiber expansion slots, focusing on stable short/medium-distance copper cable network access. The whole machine uses industrial anti-electromagnetic interference circuit design, PCB with anti-salt/humidity conformal coating, wide operating temperature to adapt to factory, power plant, offshore Zone2 harsh control room environments. It supports complete industrial network QoS priority scheduling to guarantee real-time transmission of control data such as PLC and ESD interlock signals, avoiding network delay causing control failure. Comprehensive enterprise-level security mechanisms: port access authentication, MAC binding, access control ACL, attack defense, to isolate illegal terminal access. Supports Web GUI, CLI console, SNMP v1/v2c/v3 multi-mode remote management, convenient for centralized monitoring of DCS control network. Original production stopped long-term; only surplus new stock and fully tested refurbished spare devices circulate in industrial automation spare parts market, used for old DCS cabinet network renovation and control node port expansion.

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