Technology
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Standard
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IEEE 802.3u 100Base-TX IEEE 802.3ab 1000Base-T
IEEE 802.3x Flow Control and Back-pressure IEEE 802.3af Power over Ethernet
IEEE 802.3at High power PoE
IEEE 802.1AB Link Layer Discovery Protocol (LLDP) IEEE 802.1Q VLAN and GVRP
IEEE 802.1D 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
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Performance
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Switch Technology
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Store and Forward technology with 32Gbps switching fabric
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System Throughput
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8.3Mega packets per second, 64Bytes packet length
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CPU performance
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180Mhz ARM-9E /200MIPS performance with 10 seconds hardware based Watch-dog timer
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System Memory
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8Mega Bytes Flash ROM, 64Mega Bytes RAM
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Transfer packet size
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64Bytes ~1522Bytes (include double Tag VLAN)
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MAC Address
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8K MAC address table
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Packet Buffer
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1Mega bits shared packet buffer
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Transfer performance
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14,880pps for Ethernet, 148,800 for Fast Ethernet and 1488,100 for Gigabit Ethernet
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Management
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Configuration, Monitoring Interface
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• In-Band Management: Telnet with SSH, Web-Browser with SSL, IPv4/IPv6 SNMP V1/V2c/V3 with SNMP Trap (4 Trap Stations), RMON Groups (1,2,3,9)
• Out-Band Management: Local RS-232 /RJ-45 connector with CISCO like command
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System Manage Secure
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• Telnet/ Local Console support command like interface with Cisco like commands, and offers 4 management sessions only; the system support SSL for HTTP security, SSH for Telnet security
• Mange station secure by IP address and up to 4 Manage stations
• Remote Management login authentication by Radius account/password, key for RADIUS Server authentication
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SNMP MIB
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MIB II, Bridge MIB, Ethernet Like MIB, VLAN MIB, IGMP MIB, Private MIB
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Management Utility
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Korenix View and Korenix NMS for device finding and network topology discovery
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Network Time Protocol
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NTP with daylight saving, localize time synchronize function
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IEEE 1588 PTP
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IEEE 1588 v1
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E-mail Warning
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4 recipient E-mail accounts with mail server authentication
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System event log
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Local and remote log server with authentication
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System Auto Maintenance
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Power on firmware upgrade, and configuration update by USB/Memory sticker
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Network Performance
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Port Configuration
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Port Link Speed, Link Mode, Link Status and Port Enable/Disable
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Port Trunk/Link Aggregation
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IEEE 802.3ad port aggregation and static port trunking, trunk member up to 8 ports, maximum trunk group up to 4 include Gigabit Ethernet port
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VLAN
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IEEE 802.1Q Tag VLAN with 256 VLAN entries, GVRP supported VLAN Link Modes: Trunk, Hybrid and Link Access
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IEEE 802.1 QinQ
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Double VLAN Tag with 1522 bytes frame size
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Traffic Prioritize
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4 physical queues, supports weighted fair queuing (WRR) and strict priority scheme, follows COS tag ID, IPv4 ToS/DiffServ information to prioritize the traffic
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Multicasting
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IGMP Snooping v1/v2c/v3 for multicasting filtering and forwarding with IGMP Query mode, and also support unknown multicasting forwarding policies- drop, flooding to all ports and forward to router port
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Rate Control
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Ingress/Egress filtering for Broadcast, Multicast, Unknown DA or all packets
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Port Mirroring
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Online Traffic monitoring on multiple selected target ports
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Port Security
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Only permit link partner which with predefined MAC address to access the Ethernet interface
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DHCP
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DHCP Client/Server with IP & MAC address binding, DHCP Relay Agent function and DHCP Server with static port based IP assigned function
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IEEE 802.1x
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Port Based Network Access Control with EAPoL to permit or Deny interface access with Remote RADIUS Server authentication
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Power over Ethernet
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IEEE 802.3af/at, End-Span wiring architecture
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PoE operating mode
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Auto Mode: IEEE 802.3af/at behaviors with IEEE 802.3at 1-Event for high power IEEE 82.3at 1-event PD device
Forced Mode: User configured Power consumption budget control with IEEE 802.3 PoE /PD detection, or forced without PD detection
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PoE forwarding conductor
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M12 D-Code (Port 1~7): V+(1,3), V- (2,4) / M12 X-Code (Port 8): V+ (1,2), V- (3,4)
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Power forwarding capability
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IEEE 802.3af:15W, IEEE802.3at:30W
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PoE System Power Budget
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Power Budget Reserve by PD declaration. The power budget control system will reserve power for connected PD device, once latest PD device (PoE 8) claimed power over the system surplus power, then the latest PoE will not be active.
System Power Budget: 100Watts / 70°C
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Network Redundancy
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Multiple Super Ring (MSRTM )
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New generation Korenix Ring Redundancy Technology, Includes Rapid Super Ring, Rapid Dual Homing, TrunkRingTM, MultiRingTM , Super ChainTM and backward compatible with legacy Super RingTM
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Rapid Dual Homing (RDHTM )
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Multiple uplink paths to one or multiple upper Switch, up to 256 Groups RDH Peer protection
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TrunkRingTM
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Integrate port aggregate function in ring path to get higher throughput ring architecture
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MultiRingTM
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Couple or multiple up to 10 Rapid Super Rings in one device, JetNet 6910G supports up to 5 100M rings or 4 100M rings, 1 1000M ring
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Super Chain
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It is new ring technology with flexible and scalability, compatibility, and easy configurable. The ring includes 2 types of node Switch – Border Switch and Member Switch
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Rapid Spanning Tree
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IEEE 802.1D-2004 Rapid Spanning Tree Protocol. Compatible with Legacy Spanning Tree and IEEE 802.1w
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Multiple Spanning Tree
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IEEE 802.1s Multiple Spanning Tree, each MSTP instance can include one or more VLANs, and also supports multiple RSTP deployed in a VLAN or multiple VLANs
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ITU-T G.8032 ERPS
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Support ITU-T G.8032 ERPS V1 single ring topology, and ERPS v2 multiple rings with ladder topology
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Loop Protection
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The Loop Protection prevents any network looping caused by RSTP and MSR ring topology change
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System Fault Bypass
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Link Partner Bypass function on Gigabit port 9,10. Both of Gigabit ports will form as inter- connected mode when switch power shut-down or unstable /non-ready
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Interface
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Enclosure Port
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• 100 Base-TX/100Mbps Fast Ethernet: 7 x M12 D-Code, 4-pin, Female
M12-D (Conductor #): (#1) TX+/PoE V+, (#2) RX+/ PoE V-, (#3) TX-/PoE V+, (#4) RX-/ PoE V-
• 1000 Base-T/Gigabit Ethernet (Port #8~#10): 3 x M12-X Code 8-pin Female M12-X (Pin #): (#1)(0+)/PoE V+, (#2)(0-)/PoE V+, (#3)(1+)/PoE V-
, (#4)(1-)/PoE V-, (#5)(3+), (#6)(3-), (#7)(2-), (#8)(2+)
• Console & USB: M12 A-Code 8-pin Female for RS-232 and USB 2.0 Host for firmware/configuration update
• Power: M12 A-Code 4-pin Male
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• 100 Base-TX: 2-pair Cat.5E / Cat.6 FTP/STP cable, EIA/TIA 568B 100-ohm, 100Meters
• 1000 Base-T: 4-pair Cat.5E/Cat.6 FTP/STP cable, EIA/TIA 568B 100Ohm, 100Meters It is recommended uses FTP/STP cable for the railway on-board application
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RS-232 & USB
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M12 A-Code female 8-pin connector
• RS-232: TxD (Pin-1), RxD (Pin-2), Signal Ground (Pin-3)
• USB Host: USB-DATA+ (Pin-5),USB-DATA- (Pin-6), USB-5V(Pin-7), USB-GND (Pin-8)
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LED Indicators
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100Mbps (Port 1~7): Link (Green on)/Activity (Green Blinking) 1000Mbps (Port 8~10): Link (Green on)/Activity (Green Blinking)
PoE (IEEE 802.3af/ Green): Power forwarding (Green on), PoE Detection (Green Blinking)
PoE (IEEE 802.3at/ Blue): Power forwarding (Blue on), PoE Detection (Blue Blinking)
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Power: System Power Ready (Green on)
Sys: System Ready (Green on), System Updating (Green Blinking)
R.S.: Ring Normal(Green on)/ Wrong ring port connective(Green blinking), Ring abnormal (Amber on)/ Device’s ring port disconnect (Amber blinking)
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Power Requirement
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System Power
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• JetNet 6910G-M12 HVDC
Typical Input voltage: DC 110V (Un), Variation voltage 77V (0.7Un)~137.5V (1.25Un)
• JetNet 6910G-M12 LVDC
Typical Input voltage: DC24V (Un), Variation voltage 16.8V (0.7Un)~30V (1.25Un)
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Power consumption
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HVDC: 25Watts without PoE/PD loading LVDC: 20Watts without PoE /PD loading
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Mechanical
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Installation
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Wall Mounting
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Enclosure Material
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Steel Metal with textured paint
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Ingress Protection
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IP-30
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Dimension (mm)
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145.2 mm (H) x 198 mm (W) x 120 mm (D)
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Environmental
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Operating Environment
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-40°C~70°C (100Watts PoE/PD Loading), 0~90%, Non-condensing
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Storage Environment
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-40°C~80°C, 0~90% Non-Condesing
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Hi-Pot
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AC 1.2KV for ports-power, power-case
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Approvals
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Railway Standard
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EN50155, IEC 61373, EN50121-3-2
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EMC
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EMI: EN50121-3-2/EN50121-1, FCC Class A, IEC/EN61000-6-4 EMS:EN50121-3-2/EN50121-1, IEC/EN61000-6-2
IEC/EN61000-4-2,IEC/EN61000-4-4, IEC/EN61000-4-5, IEC/EN61000-4-6, IEC/EN61000-4-8, IEC/EN61000-4-9
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Variation/Shock
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IEC 61373
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Warranty
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5 Years
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