8 Port M12 Railway Gigabit Industrial Ethernet Switch (M508B)
|Model Number: M508B|
|Country of Origin: China|
|Production Capacity: 10000pcs/year sets|
Features and Benefits
◎ Meet the EN50155 railway industry standard requirements. Designed for railway transportation applications
◎ With 8×10/100/1000M M12 gigabit ports
◎ Optional function: bypass function(1- 2 port) for power-off protection.
◎ Redundant dual 12/24/48/72VDC power inputs. Built-in overcurrent protection, Reverse connection protection.
◎ Support one-way relay alarm function.
◎ -40 to 75℃ operating temperature range (WT models)
◎ No fan, low consumption, industrial design standard, industrial grade electronic components,
environmental protection & lead-free production
◎ High strength metal housing, support wall mounting.
◎ IP Rating up to IP40 (Optional IP67 waterproof housing).
◎ Without packet loss in 72 hours full load flow test.
The M508B series M12 unmanaged Gigabit Ethernet switches are designed for industrial applications in harsh environments. The M12 connectors ensure tight, robust connections, and guarantee reliable operation, even for applications that are subject to high vibration and shock. The M508B series Ethernet switches provide 8 fast Ethernet M12 ports, support IEEE 802.3/802.3u/802/3x standard, 10 / 100/1000M speed adaptive, full duplex / half duplex communication and MDI / MDI-X automatic detection, to provide you with an economical industrial Ethernet solutions.
No fan, low power consumption design, working function more steady, and without packet loss in 72 hours full load flow test.
It accords with FCC, CE, RoHS standard and industrial design requirement. It can work in -40 to 75℃ working temperature and electromagnetic complex harsh working environment steadily, widely used in car PIS, CCTV, car security monitoring, smart factory, and provide reliable and quick solution for customers’ Ethernet device connection.
Standards IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3ab for 1000BaseT(X)
IEEE 802.3z for 1000BaseX
IEEE 802.3x for Flow Control
IEEE 802.3az for Energy-Efficient Ethernet
Flow Control IEEE 802.3x Flow Control
Back Pressure Flow Control
Packet forwarding rate 16.388Mpps
Processing Type Store and Forward
MAC Table Size 16 K
Jumbo Frame Size 10KByte
Packet Buffer Size 2 Mbit
M12 Ports 10/100/1000MBaseT(X) auto negotiation speed
Full/Half duplex mode
LED M12 Ports: Link/Act 1～8
M12 Ports Features M12-8Pin X-Coded 1000M connector
M12-5Pin Power port connector
M12-5Pin Alarm connector
Connection 5 Pin M12 connector
Input Voltage Redundant Dual Inputs
M508B： 24/48 VDC (18 ~ 75 VDC)
Remarks: Meet 12/24/48/72 VDC EN 50155 standard
No-load Power 5W @ 24VDC
Full-load Power 8W @ 24VDC
Redundant Dual Inputs Present
Reverse Polarity Protection Present
Over current protection Present
Housing High strength metal housing (Optional IP67 waterproof housing)
IP Rating IP40
Dimensions (W × H × D) 145 × 102 × 36 mm
Installation wall mounting
Operating Temperature Standard Models: -25 to 60℃ (-13 to 140℉)
Wide Temp. Models: -40 to 75℃ (-40 to 167℉)
Storage Temperature -40 to 85℃(-40 to 185℉)
Ambient Relative Humidity 5 to 95% (non-condensing)
Standards and Certifications
EMI FCC Part 15，CISPR (EN55022) class A
EMS EN61000-4-2 (ESD),Level 4
EN61000-4-3 (RS),Level 3
EN61000-4-4 (EFT),Level 4
EN61000-4-5 (Surge),Level 4
EN61000-4-6 (CS),Level 3
Freefall IEC 60068-2-32
Railway EN50155, EN50121-3-2, EN50121-4
Warranty Period 5 years
Product Model Description
M508B With 8×10/100/1000M M12 ports.
12/24/48/72VDC,Redundant Dual Inputs, -40 to 75℃ operating temperature
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