EN50155 Managed PoE switch, 12 x 100BaseTX, 4x GbE


  • Managed industrial grade L2 Fast Ethernet PoE switch
  • Housed in rugged wall mountable enclosures and designed for IEEE 802.3af/at compliant powered devices, such as surveillance cameras, wireless access points, and IP phones
  • M12 connectors to ensure tight, robust connections and guarantee reliable connections against vibration and shock.
  • Compliant with EN50155, covering power input voltage, surge, EFT, ESD, vibration and shock, making these switches suitable for industrial applications
  • M12 and M23 connector against vibration and shock, M12 X-code for Gigabit port
  • Cable diagnostics, identifies opens/shorts distance
  • STP, RSTP, MSTP, ITU-T G.8032 Ethernet Protection Ring (ERPS) for redundant cabling
  • Provides up to 5 instances that each supports μ-Ring, μ-Chain or Sub-Ring type for flexible uses.
  • μ-Ring for Redundant Cabling, recovery time<10ms in 250 maximum devices
  • Supports TTDP for train application
  • Supports IEEE 1588 PTP V2 for precise time synchronization to operate in Ordinary-Boundary, Peer to Peer Transparent Clock, End to End Transparent Clock, Master, Slave mode by each port
  • Provides SmartConfig for quick and easy mass Configuration Tool
  • Supports SmartView for Centralized Management


Item Description

IEEE 802.3 10Base-T 10Mbit/s Ethernet
IEEE 802.3u 100Base-TX, 100Base-FX, Fast Ethernet
IEEE 802.3ab 1000Base-T Gbit/s Ethernet over twisted pair
IEEE 802.1d STP (Spanning Tree Protocol)
IEEE 802.1w RSTP (Rapid Spanning Tree Protocol )
IEEE 802.1s MSTP (Multiple Spanning Tree Protocol)
ITU-T G.8032 / Y.1344 ERPS (Ethernet Ring Protection Switching)
IEEE 802.1Q Virtual LANs (VLAN)
IEEE 802.1X Port based and MAC based Network Access Control, Authentication
IEEE802.3ac Max frame size extended to 1522Bytes
IEEE 802.3ad Link aggregation for parallel links with LACP(Link Aggregation Control Protocol)
IEEE 802.3x Flow control for Full Duplex
IEEE 802.3af PoE (Power over Ethernet)
IEEE 802.3at PoE+ (Power over Ethernet ehancements)
IEEE 802.1ad Stacked VLANs, Q-in-Q
IEEE 802.1p LAN Layer 2 QoS/CoS Protocol for Traffic Prioritisation
IEEE 802.1ab Link Layer Discovery Protocol (LLDP)
IEEE 802.3az EEE (Energy Efficient Ethernet)


4094 IEEE802.1Q VLAN VID

Power Supply

Provides 1x M23 (5-Pin, male) for redundant dual DC 24/48/72/96/110VDC (16.8~137.5VDC) wide input power
Regulated PoE output voltage (52VDC) to stabilise PoE device, and guarantee delivery PoE power distance to 100metre

Operating Temperature

-40 ~ 75°C

Operating Humidity

5% to 95%

Storage Temperature

-40 ~ 85°C


113 x 260 x 132 (D x W x H) (ITP-1204GTM-12PH)
113 x 360 x 132 (D x W x H) (ITP-2204GTM-16PH)


2.8kg (ITP-1204GTM-12PH)
3.9kg (ITP-2204GTM-16PH)


238,600 Hours (ITP-1204GTM-12PH)
227,899 Hours (ITP-2204GTM-16PH)


EMC CE (EN55024, EN55032)
EMI (Electromagnetic Interference) FCC Part 15 Subpart B Class A, CE
Railway Traffic EN50155, EN50121-4
Fire protection of railway vehicles EN 45545-2
Immunity for Heavy Industrial Environment EN61000-6-2
Emission for Heavy Industrial Environment EN61000-6-4
EMS (Electromagnetic Susceptibility) Protection Level EN61000-4-2 (ESD) Level 3, Criteria B, EN61000-4-3 (RS) Level 3, Criteria A, EN61000-4-4 (Burst) Level 3, Criteria A, EN61000-4-5 (Surge) Level 3, Criteria B, EN61000-4-6 (CS) Level 3, Criteria A, EN61000-4-8(PFMF, Magnetic Field) Field Strength: 300A/m,Criteria A
Safety EN60950-1
4KV surge protection Supported for PoE and UTP port
Shock IEC-61373
Freefall IEC 60068-2-32
Vibration IEC-61373


5 Years

Ordering Information

Order Code Description
CT-ITP-1204GTM-12PHE 12x 10/100Base M12 + 4x GbE M12 with 12x PoE (120W, 24/48/72/110VDC)
ITP-1204GTM-12PHE-BP 12x 10/100Base M12 + 4x GbE M12 with 12x PoE (120W, 24/48/72/110VDC) Bypass model

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