Industrial Ethernet Switch - Industrial Networking Solution

Industrial Ethernet Switch – JetNet 5628G

Industrial Ethernet Switch JetNet_5628G


JetNet 5628G is an IEC61850-3 substation-rated Modular Managed Ethernet Switch, equipped with 4 on-board Gigabit RJ45 / MINI GBIC combo ports plus 3 modular slots, for allowing adding up to 24 copper and 18 fiber ports. As a result, it delivers maximum flexibility and simple interface exchangeability for various network connection needs whil reducing the device units and costs. With the gigabit combo ports users can trunk up to 8G uplink bandwidth and/or form two independent gigabit rings. These dual gigabit rings allow JetNet 5628G to perform as an access-level switch in the power substations ensuring the high bandwidth data transmission.

JetNet 5628G, a special design for substation automation and industrial control room, is verified to conform with the IEC61850-3, IEEE1613 high level environmental certifications. The JetNet 5628G has also passed all the test requirements of NEMA-TS2 certification for traffic control systems and EN 50121-4 EMC certification for Railway installation. JetNet 5628G has the capability of forwarding Data, GOOSE, SCADA message without any loss or collision. With the exclusive MultiRing technology, users can aggregate up to 12 fast Ethernet and 2 gigabit rings into a single switch and ensure network reliability in applications with increased bandwidth and expanded system.

The switch supports up to 9.2Kbytes Jumbo Frame forwarding for efficienlt transmitting large files in industrial environments. JetNet 5628G incorporates LLDP function and perfectly works with the Korenix patented JetView Pro i2NMS for allowing administrators to automatically discover device and efficiently manage the industrial network performance in power substations. Furthermore, the transmission of large files in industrial environments becomes more efficient and solid. To fit fulfills and even exceeds the high-end management requirements of IEC61850 substation standards by providing doubled performance and efficient traffic transmission through superb management features, including 8 QoS Priority, 256 Tag VLAN groups, 16K MAC, IGMP Snooping, DHCP Server/Option 82, LACP, SNMPv3.

  • 3 exchangeable modular slots for adding up to 24 10/100-TX or 18 100Base-FX
  • 4 On-Board Gigabit RJ45/SFP combo ports
  • Exceeds IEC 61850-3, IEEE1613 Power Substation Standard requirements
  • NEMA-TS2 rated for traffic control systems
  • EN 50121-4 EMC rated for railway installations
  • Non-Blocking backplane, 16K MAC table for wire speed bidirectional switching
  • Korenix MSR pattern aggregates up to 12 x 100M Rings plus 2 Gigabit Rings
  • 802.1s Multiple Spanning Tree Protocol, RSTP for complex network redundancy
  • 256 Tag based VLANs segregate IEC 61850 GOOSE message streams from each other
  • Advanced Private VLAN and QinQ features
  • 8 QoS priority for prioritizing the control and management packet from SCADA
  • IGMP Snooping, GMRP, Rate Control for multicast message management
  • Up to 9KB Jumbo Frame for large file transmission
  • Industrial Modbus TCP protocol for device monitoring
  • Advanced Network Management by SNMP, RMON, and event notifications
  • Supports LLDP and JetViewPro i2NMS software for auto topology visualization and efficient group management
  • Secure system by 802.1x, IP/MAC Access Control List
  • DHCP Option 82, DHCP Server for IP address assignment
  • Fan-less design, -40~85oC operating temperature


IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3ab 1000Base-T
IEEE 802.3z Gigabit Ethernet Fiber
IEEE 802.3x Flow Control and Back-pressure
IEEE 802.1p class of service
IEEE 802.1QinQ
IEEE 802.1D-2004 Rapid Spanning Tree Protocol (RSTP)
IEEE 802.1s Multiple Spanning Tree Protocol
IEEE802.3ad LACP
IEEE802.1X Port based Network Access Control
IEEE802.1AB Link Layer Discovery Protocol
IEEE 1588v1 Precision Time Protocol (PTP)
Switch Technology
Store and Forward Technology, 12.8Gbps Switch Fabric
System Throughput
14,880pps for 10M Ethernet, 148,800pps for 100M Fast Ethernet, 1,488,100 pps for Gigabit Ethernet
Transfer packet size
Typical: 64 bytes to 1536 bytes
Jumbo Frame Enabled
Up to 9,216bytes
MAC Address
Packet Buffer
Relay Alarm
Dry Relay output with 1A@24V ability
Cisco-Like CLI, JetView, Web, HTTPS, SSH, Backup/Restore, DHCP Client, Warm reboot, Reset to default, Admin password, MAC address table display, Static MAC, Aging time
Port Configuration
Port Enable/Disable, Flow Control, Speed/Duplex, Status and Port Statistic
Port Trunk
Static Trunk and 802.3ad LACP, Up to 6 Trunk Group, 8 ports per trunk
IEEE 802.3ad Link Aggregation Control Protocol, Short/Long LACP Timeout
Port Mirroring
Online traffic monitoring on multiple selected ports
Jumbo Frame
Enable/Disable with Adjustable MTU size
SNMP v1, v2c, v3 and Traps.
MIB-II, Ethernet-like, P-Bridge, Q-Bridge,Bridge, RSTP, RMON Group 1,2,3,9 and Private MIB
Link Layer Discovery Protocol to advertise system/port identity and capability on the local network
Industrial Communication protocol for monitoring
IEEE802.1Q VLAN, GVRP. Up to 256 Tag VLAN, 4K Configurable VLAN ID
Private VLAN
Direct client ports in isolated/community VLAN to promiscuous port in Primary VLAN
Double VLAN Tag in an Ethernet frame
Quality of Service
8 physical priority queues per port, IEEE802.1p COS and Layer 3 TOS/DiffServ
IGMP Snooping
IGMP Snooping V1/V2/V3 for multicast filtering and IGMP Query, up to 256 Multicast Groups
GARP Multicast Registration Protocol
Rate Control
Ingress filtering for Broadcast, Multicast, Unknown DA or All packets, step by 64kbps
IEEE1588 Precision Time Protocol (PTP)
Synchronize time from the P2P server
Network Time Protocol to synchronize time from Internet
Embedded Watchdog
Embedded hardware watchdog timer to auto reset system when switch system failure
Port_based Network Access Control
Login by Radius account/password, Key for Radius Server Authentication
Access Control List(ACL)
Deny/Permit ACL Security policy for specific IP/MAC address and TCP/UDP port
DHCP Server
Provide 255 IP addresses. Support IP/MAC binding, option 82, and port based IP assignment features
DHCP Option 82
Relay DHCP Request to different IP subnet
E-mail Warning
Automatic warning by pre-defined events
System Log
Supports both Local mode and Server mode
Alarm Events
Power and Ports Failure, DI state, DO state, Ping Failure, Login Fail, Time Synchronize Fail, Super Ring Topology Change
Network Redundancy
Multiple Spanning Tree Protocol
IEEE802.1s MSTP, each MSTP instance can include one or more VLANs.
Rapid Spanning Tree Protocol
IEEE802.1D-2004 Rapid Spanning Tree Protocol, compatible with Legacy STP and IEEE802.1w
Multiple Super Ring (MSR)TM
New generation Korenix Ring Redundancy Technology, Includes Rapid Super Ring, Rapid Dual Homing, TrunkRing, MultiRing and backward compatible with legacy Super Ring
Rapid Dual Homing (RDH)TM
Multiple uplink paths to one upper switch or multiple upper switch
Integrate port aggregate function in ring path to get higher throughput ring architecture
Couple or multiple up to 12 100M rings and 2 Gigabit Rings in a single switch
Legacy Super Ring
Backward compatible in client mode
Interface – On Board
Number of Fixed On-Board Gigabit Ports
10/100/1000Base-TX: 4 x RJ-45, combo with SFP
1000Base-X: 4 x SFP with Hot Swappable, DDM (Digital Diagnostic Monitoring) SFP supported
Diagnostic LED (JetNet 5628G)
AC/HDC Power 1/2(Green), LDC Power 1/2 (Green), RDY(Ready) (Green), Digital Input 1/2(Green), Ring Master (Green), Digital Output 1/2(Red), Ring Fail (Red) Gigabit Copper/SFP (Port 25-28): Link/Activity (Green/Green Blinking)
Diagnostic LED (JetNet 5628G-R)
PWR 1/2 (Green); DO 1(Red); R.S. (Green: Ring state is normal; Green Flashing: Incorrect configuration; Amber: Ring state is abnormal; Amber Flashing: One of the ring ports break has been detected.) Port 1-28: Link/Activity (Green/Green Blinking)
10Base-T: 2-pair UTP/STP Cat. 3, 4, 5 cable (100m)
100 Base-TX: 2/4-pair UTP/STP Cat. 5 cable (100m)
1000 Base-T: 4-pair UTP/STP Cat. 5 cable (100m)
Power Switch
Easy to power off the switch when exchanging the module
RS232 Console
DB9 Connector, Pin3: TxD, Pin2: RxD, Pin5:GND
Digital Input
2 sets of Digital Input, Logic Low (0): 0-10VDC/Logic High(1): 11-30VDC
1/2 sets of Dry Relay outputs with 1A@24V for configurable events (JetNet 5628G-R/5628G)
Interface – Module
Number of Ports in Modules
8 x 10/100Base-TX, Auto MDI/MDI-X, Auto Negotiation

4 x 10/100Base-TX, Auto MDI/MDI-X, Auto Negotiation
SFP: 4 x 100M Base-FX SFP Socket

2 x 100Base-FX SFP plus 4 x 100Base-FX Multi mode SC Transceiver 2KM
SFP: 2 x 100M Base-FX SFP Socket
100Base-FX Multi Mode SC Transceiver
Multi-mode SC duplex connector
Central Wavelength: 1310 nm
Output Optical Power:
62.5/125 um fiber: -20 ~ -14 dBm
50/125 um fiber: -23.5 ~ -14 dBm
Minimum Input Optical Power (Sensitivity): -31 dBm
Single power supply: 3.3V
Power Consumption: Per Port max. 2 Watt (4V x 50mA)
Typical Distance: 2KM
2 x 100Base-FX SFP plus 4 x 100Base-FX Single mode SC Transceiver
SFP: 2 x 100M Base-FX, LC Type
100Base-FX Single Mode SC Transceiver (30KM)
Single-Mode SC duplex connector
Central Wavelength: 1310 nm
Output Optical Power: 9/125 um fiber: -15 ~ -8 dBm
Minimum Input Optical Power (Sensitivity): -34 dBm
Single power supply: 3.3V
Power Consumption: Per port max. 2 Watt (4V x 50mA)
Typical Distance: 30KM
Port ID
Port ID of Slot 1 start from port 1 to 8, slot 2 start from port 9 to 16, slot 3 start from port 17 to 24
Port LED
Link/Activity of connected port (Green/Green Blinking)
Note: When the operating temperature is higher than 55oC, choose Wide Temperature SFP(-40~85oC) instead of normal temperature SFP transceiver
Power Requirements
AC: 85-264VAC
HDC (High Voltage DC Input): 88-370VDC
LDC (Low Voltage DC input): 24/48VDC (5628G only)
Power Consumption
Maximum 50 Watts by Modules
Power Connector
JetNet 5628G: 1 x Standard 3-pronged AC plug +4 pin LDC Terminal Block
JetNet 5628G-2AC: 2 x Standard 3-pronged AC plug
JetNet 5628G-2HDC: 2 x 3pin HDC Terminal Block

JetNet 5628G-R: 6pin HDC Terminal Block
19-inch, 1U Rack Mount, Ethernet Ports on the Front (5628G/5628G-2AC/5628G-2HDC)
19-inch, 1U Rack Mount, Ethernet Ports on the Rear (5628G-R)
Exchangeable after power off the switch
Metal case
44mm(H) x 431mm (W) x 376mm (D)
7 kg with package
Operating Temperature & Humidity
Dry Heat: 85oC, 16hrs
Cold: -40o, 16hrs; Cold Start requires 100VAC
Damp Heat: 50o, 95% Humidity (non-condensing), 4 Cyclic, 96hrs
Above tests follows IEC 61850-3 clause 5.2&5.3, IEC 60870-2-2 and IEEE 1613 clause 4.1
Korenix Stress Test: -40 ~70o with 95% Humidity, 3 Cyclic, 51hrs
Storage Temperature
-40 to 85o
Operating Humidity
5% ~ 95%
1.5KV for AC power and Port
Regulatory Approvals
Power Substation
IEC 61850-3 and IEEE 1613 rated
Traffic Control
NEMA TS-2 rated
EN50121-4 rated
FCC Class A, CE/EN55022. Class A
EN61000-4-2(ESD), EN61000-4-3(RS), EN61000-4-4(EFT), EN61000-4-5(Surge), EN61000-4-6(CS), EN61000-4-8(RF Magnetic), EN61000-10(Damped oscillator), EN61000-4-11(Voltage Dips), EN61000-4-16(Conducted command disturbances), EN61000-4-17(Ripper on DC power), EN61000-4-18(Damped oscillatory wave), EN61000-4-29(Voltage Dips), IEEE cl.5.3 Voltage Dip, IEEE 1613 cl.6.3 Impulse Voltage, IEEE 1613 cl.6.2 High Voltage Test
IEC 61850-3 clause 5.5, IEC 60870-2-2 table 3
IEC 61850-3 clause 5.5, IEC 60870-2-2 table 3
Free Fall
IEC 61850-3 clause 5.5, IEC 60870-2-2 table 3
Above 200,000 Hours, MIL-HDBK-217F GB standard

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