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Technology
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IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3x Flow Control and Back-pressure
IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
IEEE 802.1p Class of Service (CoS)
IEEE 802.1Q VLAN and GVRP
IEEE 802.1QinQ
IEEE 802.1D-2004 Rapid Spanning Tree Protocol (RSTP)
IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
IEEE 802.3ad Link Aggregation Protocol (LACP)
IEEE 802.1x Port Based Network Access Protocol
IEEE 1588 Precision Time Protocol (PTP)
Modbus TCP/IP
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Performance
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Store and Forward Technology with 32Gbps Switch Fabric.
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26 Mega packets per second, 64 bytes packet size
14,880 pps for 10Base-T
148,800 pps for 100Base-TX (PPS: Packet Per Second)
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32 bits ARM-9E running at 180 MHz and performance up to 200MIPS; Embedded hardware based watchdog timer..
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8M bytes flash ROM, 64M bytes SDRAM. Transfer packet size 64 bytes to 1522bytes (includes 1522 bytes VLAN Tag).
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1M bits shared memory for packet buffer
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14,880 pps for Ethernet and 148,800 pps for Fast Ethernet
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Dry Relay output with 1A /24V DC ability
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One Digital Input with Photo Copular isolation
Digital Hi: DC 11V~30V
Digital Low: DC 10V~0V
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System Management
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Configuration and Monitoring Interface
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Supports 4 configuration and monitoring interfaces: RS-232 serial console, Telnet, SNMP and Web Browser interface The RS-232 and Telnet interfaces support Cisco like instructions
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Provides TFTP/Web interface for firmware upgrade and configuration backup, restore.
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Supports command line interface with Cisco like commands and maximum 4 sessions; the telnet interface also supports SSH.
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Supports v1, v2c, V3 with SNMP trap function, trap station up to 4 and can be manually configured the trap server IP address.
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MIB II, Bridge MIB, Ethernet-like MIB, VLAN MIB, IGMP MIB, Korenix Private MIB.
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Supports Korenix View and Korenix NMS with IEEE 802.1AB Link Layer Discovery Protocol for device finding and link topology discovery
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Supports NTP protocol with daylight saving function and localize time sync function
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IP address security to prevent unauthorized access
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4 receipt E-mail accounts with mail server authentication
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Supports both Local or remote Server with authentication
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Network Performance
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Flow control pause frame supports on 10/100bps with Full Duplex and Back-pressure supports on 100 / 10Mbps Half Duplex only
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Port link Speed, Link mode, current status and enable/disable
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IEEE 802.3ad port aggregation and static port trunk; trunk member up to 4 ports and maximum 4 trunk groups
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IEEE 802.1Q Tag VLAN with 256 VLAN Entries and provides 2K GVRP entries
3 VLAN link modes- Trunk, Hybrid and Link access
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Direct client ports in isolated/community VLAN to promiscuous port in primary VLAN
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Double VLAN Tag in an Ethernet frame
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IEEE 802.1p class of service; per port 4 priority queues
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Supports 4 physical queues, weighted run robin queuing (WRR 8:4:2:1) and Strict Priority scheme, which follows 802.1p COS tag and IPv4 ToS/ Diffserv information to prioritize the traffic of your industrial network
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IGMP Snooping v1/v2 /v3 for multicast filtering and IGMP Query mode; also support unknown multicasting process forwarding policies- drop, flooding and forward to router port.
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Ingress filtering for Broadcast, Multicast, Unknown DA or all packets. Egress filtering for all packet types
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Online traffic monitoring on multiple selected ports
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Port security to assign authorized MAC to specific port
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DHCP Client, DHCP Server with IP & MAC Address binding and DHCP agent (option 82).
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Port based network access control
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Login by Radius account/password, Key for Radius Server Authentication
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Supports open protocol- Modbus TCP/IP with function code group -4 for factory automation application
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Network Redundancy
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Multiple Super Ring (MSR)TM
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New generation Korenix Ring Redundancy Technology, Includes Rapid Super Ring, Rapid Dual Homing, TrunkRingTM, MultiRingTM and backward compatible with legacy Super RingTM
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Rapid Dual Homing (RDH)TM
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Multiple uplink paths to one or multiple upper switch
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Integrate port aggregate function in ring path to get higher throughput ring architecture
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Couple or multiple up to 16 Rapid Super Rings, JetNet 4508v2 supports up to 4 Fast Ethernet Ring in one Switch
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IEEE802.1D-2004 Rapid Spanning Tree Protocol. Compatible with Legacy
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Spanning Tree and IEEE 802.1w
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Supports multiple RSTP deployed in a VLAN or multiple VLANs.
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IEEE802.1s MSTP, each MSTP instance can include one or more VLANs
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Interface
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Fast Ethernet communication port: RJ-45 connector
RS-232 console interface: RJ-45 connector
100Mbps Fiber interface: SC or ST (by request)
DI/DO port: 4-pin removable terminal block
Power port: 4-pin removable terminal block
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10Base-T: 2-pairs UTP/STP Cat. 3, 4, 5 cable,
EIA/TIA-568B 100-ohm (100m)
100 Base-TX: 2-pairs UTP/STP Cat. 5 cable,
EIA/TIA-568B 100-ohm (100m)
JetNet 4508f-m V2: multi-mode, 50~62.5/125um, 2KM
JetNet 4508f-s V2: single mode, 8~10/125um, 30KM
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Fiber Port Characteristics
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JetNet 4508f-m V2
Wavelength:1310nm
Tx power: -20dBm ~ -14dBm
Rx sensitivity: -31dBm ~ 0dBm
Link Budget: 11dB
JetNet 4508f-s V2
Wavelength: 1310nm
Tx power: -15dBm ~ -8 dBm
Rx sensivity: -34dBm ~ 0 dBm
Link Budget:19dB
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Supports Cisco like command line interface for out-band management
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System Diagnostic LEDs
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Power status (Green): On ( power is on applying)
Digital Input (Green): On (Digital signal is detected)
Alarm Output (Red): On (Output conductor is formed as a close circuit)
System (Green): On (the system is ready), Blinking (system is on firmware upgrade progress)
Ring Status: Green on (Ring normal) / Blinking (Ring with wrong port), Yellow on (Ring abnormal) / Blinking (device's ring port failed)
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Link (Green On) / Activity (Green Blinking)
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Power Requirements
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Redundant power input with polarity auto reverse protection
Input Range: 10~60V DC
System Type: Positive or Negative power source
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Mechanical
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DIN-Rail mounting or Wall Mounting
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Aluminum metal case with grade 31 protection
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55(W) x 149(H) x 131.2 (D) / with DIN Rail Clip
55(W) x 149(H) x 120.6(D) / without DIN Rail Clip
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Environmental
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-10 ~ 70°C(JetNet 4508f V2)
-40 ~ 75°C(JetNet 4508f-w V2)
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AC 1.5KV for all ports and power
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Regulatory Approvals
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FCC Class A, CE/ EN55022 Radiation, Conduction, Heavy Industrial IEC/EN 61000-6-2
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IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-9, Heavy Industrial IEC/EN 61000-6-4
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EN 50121-4 and EN 50121-1
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IEC 60068-2-32 with packageNote-3
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661,248 Hours, MIL-HDBK-217F GB standard
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Note-1: available in the further version software
Note-2: pending
Note-3: Korenix’s internal testing
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