enhanced from 300ms to 5ms for copper ring, 20ms
for Fiber ring. The Ring Master can be auto-selected
by the RSR engine. The 1st Ring Port of the R.M. is
the primary path. The 2nd Ring Port of the R.M. is
the block path. Once the primary path is failure, the
2nd path will be recovered within 5ms. Besides, the
restore time is also enhanced to zero in R.M. auto
Rapid Dual Homing (RDHTM) Technology
In the MSR technology includes a new Dual Homing
technology- Rapid Dual Homing (RDHTM) which
provides flexible uplink connection in multiple node
to node or multiple paths to one to obtain more
HI¿FLHQFDQGUHOLDELOLWWKDQEHIRUH:KHQRXZDQW
connect multiple RSR or form the redundant topology
with other vendors, RDHTM allows you enable RSTP
and RSR at the same device and break the limitation
of ring node. Thus you have more flexibility and
standard (RSTP) way to construct your network
topology

MultiRingTM Technology
The MultiRingTM is a new technology that construct
coupling ring without control port and achieve
different coupling architecture by TangentRingTM or
CrossRingTM (Note-1) technology which provides node
or path backup ability

By the MultiRingTM Technology, user can enlarge the
network campus just apply different Ring ID which
is different with neighborhood to get unlimited Ring
Coupling ability.

Link Aggregation Control Protocol, TrunkRingTM
Technology
Link Aggregation Control Protocol allows you to group
multiple Ethernet ports in parallel to increase the link
bandwidth. The aggregated ports can be viewed as
one physical port, so that the bandwidth is higher
than just one single Ethernet port. The member ports
of the same trunk group can balance the loading
and backup with each other. The LACP feature is
usually used when you need higher bandwidth for the

backbone network. This is an inexpensive way for
you to transfer much more data. If the trunk port
also assigned as a ring port then it will become as
a TrunkRingTM – which mean is the bandwidth of
ring path have increased by port trunk technology
and there is no recovery time when failure occurred.
The JetNet 4510 provides a simply, easily way to
aggregate port bandwidth into Rapid Super Ring.

Robust Mechanism Design
Korenix JetNet 4510 outstanding outlook is attractive
and with strong functionality. The special fan-less
mechanical design adapts the thermodynamic
technique to ventilate heat generated from Fast
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the enclosure, it helps carrying the rising heat
toward the top ventilation holes to let the chimneyHIIHFWÀRZVEHFRPHYHUHIIHFWLYH8VLQJDOXPLQXP
extrusion case with industrial arts quality, IP 31 class
of protection, light weight, rigid assembly, excellent
thermal conductivity, fin-type by extending heat
dissipation surface assures units can be operated
under harsh industrial environment reliably


Technology
Standard:
IEEE 802.3 10Base-T Ethernet
IEEE 802.3u 100Base-TX Fast Ethernet
IEEE 802.3u 100Base-FX Fast Ethernet
IEEE 802.3x Flow Control and Back-pressure
IEEE 802.1p class of service
IEEE 802.1Q VLAN
IEEE 802.1D-2004 Rapid Spanning Tree Protocol (RSTP)
IEEE 802.3ad LACP
IEEE 802.1x Port based Network Access Control
Performance
Switch Technology:
Store and Forward Technology with 32Gbps Switch Fabric
System Throughput: 2.976Mpps/ 64bytes packet length
Transfer packet size:
64 bytes to 1522 bytes (with VLAN Tag)
Transfer performance: 14,880pps for Ethernet and
148,800pps for Fast Ethernet
MAC Address: 8K MAC
Packet Buffer: 1Mbits
Relay Alarm:
Dry Relay output with 1A@DC 24V contact ability
Management
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:HE8SGDWHIRU¿UPZDUHDQGFRQ¿JXUDWLRQEDFNXSDQG
restore, DHCP Client, warm reboot, reset to default, Admin
password, Port Speed/Duplex Control, status, statistic, MAC
address table display, static MAC, Aging time, SNMP v1,
v2c, v3, Traps and RMON1
SNMP MIB: MIBII, Bridge MIB, VLAN MIB, SNMP MIB,
RMON and Private MIB
Port Trunk: Up to 5 Static Trunk and with IEEE 802.3ad
LACP protocol
VLAN: 802.1Q VLAN, GVRP. Up to 64 VLAN groups
Port Trunk: Up to 5 Static Trunk and 802.3ad LACP
Quality of Service: Four priority queues per port, 802.1p
COS and Layer 3 TOS/DiffServ
IGMP Snooping: IGMP Snooping V1/V2 /V3 for multicast
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Rate Control:,QJUHVV¿OWHULQJIRU%URDGFDVW0XOWLFDVW
8QNQRZQ'$RUDOOSDFNHWVDQG(JUHVV¿OWHULQJIRUDOO
packets
NTP: Network Time Protocol to synchronize time from
internet or local PC
Embedded Watchdog: Embedded hardware watchdog
timer to auto reset system when failure
Port Mirroring: 2QOLQHWUDI¿FPRQLWRULQJRQPXOWLSOH
selected ports
Port Security: Port security to assign authorized MAC to
VSHFL¿FSRUW
IP Security: IP address security to prevent unauthorized
access
E-mail Warning: $XWRPDWLFHPDLOZDUQLQJESUHGH¿QHG
events
System Log: Supports both Local mode and Server mode