EN50155 modular managed Gigabit Ethernet switch

IGS-9122GPM is Din-Rail modular managed redundant ring Ethernet switch with 12×10/100/1000Base-T(X) and 2×100/1000Base-X SFP ports. Also, it supports 3 slots for installing switch modules to expander Ethernet ports.

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  • Modular designed and Hot-swappable make network planning easier
  • O-Chain allow multiple redundant network rings
  • Support IEEE 1588v2 clock Synchronization
  • Support application-based QoS management
  • Support LLDP Protocol
  • Support dual power inputs for power redundancy
10/100/1000Base-T(X) Ports in RJ45 Auto MDI/MDIX


100/1000Base-X SFP Port


Module Slot Number

3 (support 4x1G combo / 4x1G Fiber / 4x100Mbps Fiber module)

Ethernet Standards

IEEE 802.3 for 10Base-T
IEEE 802.3u for 100Base-TX and 100Base-FX
IEEE 802.3ab for 1000Base-T
IEEE 802.z for 1000Base-X
IEEE 802.3ae for 10Gigabit Ethernet
IEEE 802.3x for Flow control
IEEE 802.3ad for LACP (Link Aggregation Control Protocol )
IEEE 802.1p for COS (Class of Service)
IEEE 802.1Q for VLAN Tagging
IEEE 802.1D for STP (Spanning Tree Protocol)
IEEE 802.1w for RSTP (Rapid Spanning Tree Protocol)
IEEE 802.1s for MSTP (Multiple Spanning Tree Protocol)
IEEE 802.1x for Authentication
IEEE 802.1AB for LLDP (Link Layer Discovery Protocol)

MAC Table


Packet Buffer Size

Switch Properties

Switching latency: 7 us
Switching bandwidth: 52Gbps
Max. Number of Available VLANs: 4095
VLAN ID Range: 1 to 4094
IGMP multicast groups: 128 for each VLAN
Port rate limiting: User Define

Security Features

Device Binding security feature
Enable/disable ports, MAC based port security
Port based network access control (802.1x)
MAC-based authentication
MAC address limit
VLAN (802.1Q ) to segregate and secure network traffic
Radius centralized password management
SNMPv3 encrypted authentication and access security
Https / SSH enhance network security
Web and CLI authentication and authorization
IP source guard

Software Features

IEEE 1588v2 clock synchronization
IEEE 802.1D Bridge, auto MAC address learning/aging and MAC address (static)
Multiple Registration Protocol (MRP)
MSTP (RSTP/STP compatible)
Redundant Ring (O-Ring) with recovery time less than 20ms over 250 units
TOS/Diffserv supported
Quality of Service (802.1p) for real-time traffic
VLAN (802.1Q) with VLAN tagging
IGMP v2/v3 Snooping
IP-based bandwidth management
Application-based QoS management
DOS/DDOS auto prevention
Port configuration, status, statistics, monitoring, security
DHCP Server/Client
DHCP Relay
Modbus TCP
DNS client proxy
SMTP Client
NTP server

RS-232 Serial Console Port

RS-232 in RJ45 connector with console cable. 115200bps, 8, N, 1 (support DBU-01 backup unit)

Power Indicator

Green: Indicates that the system ready. The LED is blinking when the system is upgrading firmware.

Fault Indicator

Amber: Indicate unexpected event occurred

10/100/1000Base-T(X) RJ45 port Indicator

Green for Link/Act indicator.
Dual color LED for speed indicator : Green for 1000Mbps, Amber for 100Mbps, Off-light for 10Mbps

100/1000Base-X SFP port Indicator

Green for Link/Act indicator


Relay output to carry capacity of 1A at 24VDC

Redundant Input Power

Dual 12~48VDC power inputs at terminal block

Power Consumption (Typ.)




Dimensions (W x D x H)

184 (W) x 155 (D) x 150 (H) mm (7.24×6.1×5.9 inch)

Weight (g)


Storage Temperature

-40 to 85°C (-40 to 185°F)

Operating Temperature

-40 to 75°C (-40 to 167°F)

Operating Humidity

5% to 95% Non-condensing



FCC Part 15, CISPR (EN55022) class A, EN50121-4, EN50155(pending)


IEC61000-4-2 (ESD), IEC61000-4-3 (RS), IEC61000-4-4 (EFT), IEC61000-4-5 (Surge), IEC61000-4-6 (CS), IEC61000-4-8, IEC61000-4-11



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Data Sheet

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