4 x 1000Mbps SFP fiber ports
8 x 10/100/1000Mbps Auto-sensing RJ45 ports
4 KV Ethernet surge protection, adapt to a harsh outdoor environment
Auto MDI/MDIX is Supported
Flow control mode: full duplex with IEEE 802.3x standard, half-duplex with Back pressure standard
IEEE 802.3 10Base-T and IEEE 802.3u 100Base-TX compliant
A store-and-forward switching mechanism
Operating environment temperature: -40 ° ~75 ° c

Specification of Industrial unmanaged switch

Port	4 x 1000M SFP ports SM: 1310nm/1550nm,20Km; 1490nm/1550nm, 40~120Km MM: 1310nm, 2Km; 850nm, 500m 8x10/100/1000M UTP RJ45(Support MDI/MDIX auto-sensing)
Standard	IEEE 802.3, IEEE802.3U, IEEE802.3ab, IEEE802.3z IEEE802.1Q, IEEE802.1X, IEEE802.3ad, IEEE802.3x IEEE802.1ad, IEEE802.1p, IEEE802.1ab, IEEE802.3az
Switching features	Transmission mode: storage and forward Forwarding delay: <10us System bandwidth: 24Gbps (non-traffic jam) Forwarding rate: 17.856Mmps
Network media	10BASE-T: CAT3, CAT4, CAT5 un-shielded twisted pair(≤100m) 100/1000BASE-TX: CAT5 or above shielded twisted pair(≤100m) SFP port transmission distance: 20Km, 40Km, 60Km, 80Km, 100Km
LEDs	Power, network, fiber PWR: Power FX: Fiber port(1/2/3/4) Orange: Link/ACT Green: 1000M Network Speed(off when it is 100Mb/s)
Power supply	Redundant input voltage: DC12-52V No-load power: 5W Reverse connection: support
Environment	Working temperature: -40～75°C Storage temperature: -40～85°C Working humidity: 10%～90%, non-condensing Storage humidity: 10%～95%, non-condensing
Industry Standards	ESD: IEC61000-4-2, ±15KV air, ±6KV contact EFT: IEC61000-4-4, General ±6KV Surge: IEC61000-4-5, Differential ±2KV, Common±6KV
Certification	CE-EMC: EN 55032:2015+AC:2016+A1:2020+A11:2020 EN 55035:2017+A11:2020/EN IEC 61000-3-2:2019/A1:2021 EN 61000-3-3:2013/A2:2021/AC:2022 CE-LVD: EN IEC 62368-1:2020+A11:2020 FCC: 47 CFR FCC Part 15 Subpart B(Class B)ANSI C63.4:2014
Mechanical information	Shell: Corrugated metal shell Safety class: IP40 Dimension: 158 x 115x 60mm Mounting method: Din-rail/Wall mounting Net weight/Gross weight: 0.75Kg/0.9Kg
Warranty	Replacement within 1 year; 3 years repairing