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ComEth 4300a

Gigabit & 10 Giga Ethernet Switch PICMG 2.16 / Vita 31.1 - L3+ IP Router

  • 6U cPCI
  • Managed Layer 2+/ 3
  • up to 28 ports
  • 10/100/1000Base-T (rear)
  • 10GBase-CX4 (front)
  • conduction-cooled compliant

ComEth 4300a - 6U cPCI 1 and 10 Gigabit Ethernet Switch

ComEth4300a is built on the latest generation of Gigabit switch engine and PHY transceiver. Its highly integrated chip incorporates combines in a single equipment a full layer 3 router with an optimized power consumption.

ComEth4300a supports full-wire speed L2 bridging and L3 IPV4/V6 Unicast and Multicast routing with L2-L4 advanced traffic classification, filtering and prioritization. For instance, it can provide strict priority traffic and filtering needed for delay-sensitive or critical applications.

ComEth4300a ports are compatible with both PICMG 2.16 or VITA 31.1 system.

Twenty GigaEthernet ports are routed on rear I/O in compliance with PICMG 2.16. The four remaining Giga Ethernet channels are available on the front or on the rear panel. On the front panel, depending on equipment, those four channels are available for copper links using RJ45 or fiber links using LC connectors.

Two 10G Ports are available on the front panel according to the XAUI/10GB CX4 standard. The two others are available through an on-board high speed connector.

ComETh4300a provides the ideal solution to implement high port density stackable systems.

24 x 1GbE & up to 4 x 10GbE ports with a full-wire speed switching capacity of 125 Mpps.

Layer2 Switching capabilities:
16K entries forwarding database
Automatic or controlled learning and aging routing table
Port and MAC access control
Flow control and backpressure
10 KB Jumbo Frame
IGMPv3 & MLDv2 snooping
Rapid Reconfiguration 802.1w

Link aggregation static or LACP 

Bandwidth management:
Unicast & Multicast rate limiting
Egress rate shaping with rate ranging port from 64K to 1Gbs
Minimal bandwidth guarantee per traffic Class

VLANs services:
4K actives VLANs
4K Bridge mulcticast groups
Flexible VLAN assignment 802.1Q port -based, protocol based 802.1v, service Vlans 802.1ad, Policy based Vlans

Quality of Service engine:
8 priority queues per port
Flexible bandwidth management with hierarchical shaping
Unicast and Multicast routing engine
RIPV2, OSPF V2 Routing proxy-ARP, DHCP relay
IPV6 capable

Security features:
802.1X Port authentication
Multicast/Broadcast limiting
STP/RSTP protocol
Virtual cable tester On-Line

Flexible management tools:
Web or CLI management
SNMP (Standard & private MIBs)
Enhanced Port mirroring
Easy software updating

Physical layer
24 auto-sensing 10/100/1000Mbs ports.
Optional front SX or LX Fiber (LC) interface 802.3u compliant.
Two front XAUI channels
Two onboard XAUI or HyperStack 12Gbs ports
Auto-Negotiation with Downshift 
Automatic MDI/MDIX crossover for all 3 speeds of operation.
Automatic polarity correction. 
Online virtual cable tester. 
Optional fast Ethernet out of band management port

Layer 2 switching
802.1D/Q Compliant with a full-line rate Ethernet switching engine
16000 MAC address database
automatic or controlled aging and learning mechanism, 
Tag extraction and insertion
(802.1p), Jumbo frames up to 10KBytes.
Back pressure for half-duplex, IEEE802.3x for full-duplex.
Discard broadcasts above critical threshold.
Link aggregation with static or dynamic LACP (7 trunks of 8 channels)
Enhanced port mirroring.
IGMP v2,v3 & MLD v2 snooping.

802.1Q compliant : supports Layer 2 domain partitioning of up to 4000 ac-
tive VLANs. 
VLAN is flexibly programmed to any value from 1 to 4094 Protocol-based 
VLAN (802.1v) or Port-based VLAN (802.1v).

Port and MAC access control compliant with 802.1X authentication.

L2/3 QoS
Eight queues per port.
Minimal and maximal bandwidth affectation per traffic class using weighted 
round robin and strict priority scheduling. 
128 quality of services profiles for traffic class drop precedence

L3+ services
L3 Hardware Engine for Unicast and Multicast routing 
UDP relay & DHCP proxy
STP/RSTP provides redundant link support. 
L2 to L4 advanced traffic classification

Switch Management
Onboard firmware is implemented with comprehensive Built-In Test (loop back mode used during the diagnostic), maintenance functions and network (BootP) updating functions.
Management software provides a wide range of configuration L2/3 functions on any port : transmission speed/mode, VLAN, STP parameters, mirroring, QoS, etc. 
Supervision get lots of information in real time on the switch.
MIB, RMON counters and private informations are reachable from SNMP agent, web-browser and CLI for L3 functions.

This Open Application, named SWITCHWARE, is carried out by a PowerPC processor.

Front panel LEDs
Power supply and Switch status
Switched ports : activity & link

Power supply
Estimated Pmax = 35 W for 24 Gbs and 2 XAUI
3.3VDC / 5 VDC Power Supply

Gigabit & 10 Giga Ethernet Switch PICMG 2.16 / Vita 31.1 - L3+ IP Router diagram
Gigabit & 10 Giga Ethernet Switch PICMG 2.16 / Vita 31.1 - L3+ IP Router diagram
Criterion Standard Extended Rugged Conduction-cooled 71°C Conduction-cooled 85°C
Coating Optional Yes Yes Yes Yes
Operat. Temp. 0 to 55°C -20 to 65°C -40°C to 71°C or 85°C (*) -40°C to 71°C
at the thermal interface (*)
-40°C to 85°C
at the thermal interface (*)
Rec. airflow 1 .. 2 m/s 2 .. 3 m/s 2 .. 5 m/s - -
Oper. HR% no cond. 5 to 90% 5 to 95% 5 to 95% 5 to 95% 5 to 95%
Storage Temp. -45°C to 85°C -45°C to 85°C -45°C to 100°C -45°C to 100°C -45°C to 100°C
Sinusoidal Vibr 2G [20..2000]Hz 2G [20..2000]Hz 5G [20..2000]Hz 5G [20..2000]Hz 5G [20..2000]Hz
Random Vibr 0.002g2 /Hz
0.002g2 /Hz
0.05g2 /Hz
0.1g2 /Hz
0.1g2 /Hz
Shock 1/2 Sin. 11ms 20G 20G 40G 40G 40G
(*) Temperature grades are subject to availability according to IC products. Please consult us.

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