A 4-port Gigabit electrical Ethernet switch plus a 2-port Gigabit FX optical Ethernet switch—this industrial-grade Ethernet switch supports four 100Base-T/1000Base-TX electrical ports and two 1000Base-X optical ports. The product complies with FCC, CE, and RoHS standards. Unmanaged industrial-grade (aluminum alloy) Gigabit 2-optical/4-electrical SFP switch, rail-mountable, with DC 12–52 V power supply and wide operating temperature range (-40°C to 80°C). A 4-port Gigabit electrical Ethernet switch plus a. Narrow Ethernet switch, five RJ45 ports with 10/100 Mbps on all ports, automatic data transmission speed detection, autocrossing function, and QoS Narrow Ethernet switch, eight RJ45 ports with 10/100 Mbps on all ports, automatic data transmission speed detection, autocrossing function, and QoS. BL167GM-SFP is a managed industrial Ethernet switch with 2 Gigabit SFP and 4 Gigabit RJ45 ports, compliant with FCC, CE, and RoHS. It supports key Layer 2 protocols for stable communication, features fanless low-power design, wide -40°C to +75°C temperature range, and strong EMC performance. The equipment can be managed, operated and maintained through mobile terminal, PC terminal and local terminal.