Model Breakdown    EDS‑408A‑3M‑ST‑T: 408A (8‑port platform), 3M (3 multi‑mode fiber), ST (ST fiber connector), T (extended temperature: −40 to 75°C)
Ethernet Interfaces    5×10/100BaseT(X) RJ45 (auto‑negotiation, full/half duplex, auto MDI/MDI‑X);  3×100BaseFX multi‑mode ST fiber (100 Mbps)
Redundancy    Turbo Ring (recovery < 20 ms), Turbo Chain, RSTP/STP (IEEE 802.1w/D), ring coupling
Management    Web GUI, CLI (RS‑232 console: 10‑pin RJ45, 19200, n, 8, 1), SNMP v1/v2c/v3, RMON, DHCP Option 82, email/relay alerts
Layer 2 Features    IEEE 802.1Q VLAN, port‑based VLAN, QoS (802.1p/DiffServ), port mirroring, bandwidth control, IGMP snooping v1/v2/v3
Power Input    9.6–60 VDC, redundant power inputs, reverse polarity protection
Mechanical    DIN‑rail/wall mountable, metal housing, 890 g
Environmental    Operating: −40 to 75°C;  Storage: −40 to 85°C;  Humidity: 5–95% (non‑condensing);  Certifications: IEC 61850‑3, Class 1 Div 2, ATEX, UL 508, CE, FCC
Protocols    IEEE 802.3/3u/3x, Modbus TCP, IPv6 ready, IEC 61850 GOOSE compliant

1  .Our company specializes in automation industrial control accessories. We have more than 100,000 products.  
 Including : frequency converter, servo driver, servo motor,   data acquisition card, industrial camera, touch screen, circuit board, DCS module, soft starter, industrial   computer,encoder... etc
2，We accept PayPal transaction. All products provided 60 days warranty. We can send the goods by fast express to all over world.
 3. We can supply the product in brand new or used condition to meet your requirement.The picture and price show on our store is not real, before purchasing, please    contact us to provide you with accurate quotation and real pictures.
4. If you can not find the product you need in our store, please contact us .we will check it for you.