US 
Antaira LMX-2004G-SFP-T 20-Port Gigabit Managed Industrial Ethernet Switch with 4x SFP and -40 to 75 °C
Fanless
Extended Temp
CE
FCCLMX-2004G-SFP-T Overview
Unheated outdoor cabinets in power and utility, water treatment and ITS networks often have to close a fiber ring and send fiber spurs onward from the same switch. The LMX-2004G-SFP-T is the extended temperature build of the Antaira LMX-2004G-SFP series: a 20-port managed industrial Ethernet switch rated -40 °C to 75 °C.
Sixteen 10/100/1000Tx RJ45 ports auto-negotiate speed and duplex with auto MDI/MDI-X, and four 100/1000 SFP slots take fiber transceivers, so the mode and reach follow the module chosen. Two slots can close a ring while the other two carry spurs to remote cabinets. Switching is store-and-forward on a 40 Gbps fabric with an 8K MAC table and 9.6K jumbo frames, and ITU-T G.8032 ERPS restores a broken ring in under 50 ms. An RS232 console in RJ45 and USB 2.0 configuration backup help on site.
Light Layer 3 on the LMX-2004G-SFP-T means static routes and DHCP option 82, so it can pass traffic between subnets and relay addressing requests without a separate router. The firmware also covers VLAN with 4095 groups, QoS with DSCP, IGMP and MLD snooping, LACP, LLDP, sFlow, RMON and Modbus TCP for SCADA polling, with 802.1X, SNMP v3, HTTPS and SSHv2 securing access. Power arrives on redundant 12 to 48 V DC inputs through removable terminal blocks, and the switch draws 18.4 W with overload current and reverse polarity protection. We can pre-configure IP addressing, VLANs and ring settings before it ships.
The LMX-2004G-SFP-T operates from -40 °C to 75 °C and stores from -40 °C to 85 °C, so it suits unheated outdoor enclosures without a cabinet heater. It sits in an IP30 metal housing for DIN rail or wall mounting, with IEC 60068-2-27 shock and IEC 60068-2-6 vibration listed. Antaira lists FCC, CE, UL 61010-1, NEMA TS2 and IEC 61850-3 Edition 2.0 for substations, and the switch is RoHS compliant with Antaira’s 5-year warranty. The LMX-2004G-SFP is the standard temperature build rated -10 °C to 70 °C, and the LMP-2004G-SFP adds 802.3at PoE+ to the 16 copper ports with a 240 W budget.
LMX-2004G-SFP-T Specifications
| Overview | |
|---|---|
| Brand & Model | Antaira LMX-2004G-SFP-T |
| Features | Fanless Industrial Managed Ethernet Switch |
| Networking | |
| Switching Layer | Layer 2+ |
| Switch Type | Managed |
| Ethernet Ports | 16x 10/100/1000 BASE-TX [RJ45] |
| Number of Ethernet Ports | 16x Ethernet Ports |
| Number of Fiber Ports | 4x 100/1000 [SFP] |
| Networking Standards | IEEE 802.1AB LLDP IEEE 802.1D Spanning Tree Protocol IEEE 802.1p Class of Service IEEE 802.1Q VLAN IEEE 802.1s Multiple Spanning Tree Protocol IEEE 802.1w Rapid Spanning Tree Protocol IEEE 802.1X Port-Based Network Access Control IEEE 802.3 10BaseTx Ethernet IEEE 802.3ab 1000BaseTx Gigabit Ethernet IEEE 802.3ad Link Aggregation IEEE 802.3az Energy Efficient Ethernet IEEE 802.3u 100BaseTx Fast Ethernet IEEE 802.3x Back Pressure Flow Control IEEE 802.3z Gigabit Fiber ITU-T G.8032 ERPS |
| Power | |
| Power Input | 12-48V DC, Terminal Block |
| Environmental Conditions | |
| Operating Temperature | -40°C to 75°C [-40°F to 167°F] |
| Storage Temperature | -40°C to 85°C [-40°F to 185°F] |
| Humidity | 5% - 95% (Non-condensing) |
| Ingress Protection | IP30 |
| Shock | IEC 60068-2-27 |
| Vibration | IEC 60068-2-6 |
| Certification | CE FCC IEC 61850-3 NEMA TS2 RoHS UL 61010-1 |
| Mechanical Properties | |
| Weight | 1.2 Kg (2.7 Lbs) |
| Dimensions | 67mm x 142mm x 99mm (2.64" x 5.59" x 3.90") |
| Mounting Options | DIN Mount Wall Mount |
Official Antaira USA Distributor
Things Embedded is an official Antaira USA distributor, and we supply the LMX-2004G-SFP-T with matching SFP transceivers and a DIN-rail power supply, with IP addressing, VLANs and ring settings pre-configured on request. Within the Antaira range, the LMX-2004G-SFP standard temperature build rated -10 to 70 °C.
Across our range, the LMX-2004G-SFP-T sits with our managed industrial switches, industrial Ethernet switch range and Ethernet switches.
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