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Description

ComEth 3200b is a range of highly integrated Layer 2/3 Ethernet switches. The switching capability provides up to sixteen 10/100BT and eight 10/100/1000BT front Ethernet ports.

8 Fast and 4 Giga Ethernet ports are available with the one slot version. The two slots wide version provides 16 FE and 4 GE plus additional ports thanks to an extension board. A set of four Giga channels or/and N * 8 Fast Ethernet channels can be added with specific mezzanines.

A standard extension is available with 4 Small Form Pluggable transceivers slots. Thanks to this independent open interface the customer can add several type of optical or 1000BT transceivers on the switch.

ComEth 3200b is compatible both with VME or cPCI 6U systems. This switch is fully upward compatible with ComEth3200. It provides more Giga Ethernet ports and adds some L2 and L3 enhanced functions as the port aggregation, traffic rate shaping, etc.

Its ultra low-power design together with the thermal monitoring makes it ideal for integration in high-demanding application.

The new family, formed by ComEth3200, 3300b & 5100b, provides an optimized switch solution for Fast and Giga mixed network for any system configuration.

ComEth3200b products are proposed as end-user switches with IC’s SwitchWare embedded software. ComEth3200b acts as a full Layer 2/3 managed switch. It can be operated from a browser, PC Windows application or SNMP. The entire functionalities can be easily managed and monitored. This switch is powered by a PowerPC. The software update can be downloaded and stored in Flash memory.

The Enhanced Switchware package provides some software layer 3 functions, allowing local IP forwarding (IPv4/ IPv6), static and dynamic protocols (RIP, OSPF) routing, proxy-ARP and DHCP-relay. These L3 functions are managed through a CLI interface. ComEth3200b combines in a single equipment a layer 2+ switch and an IP router.

Board specifications

Physical features 

Base unit
Auto-sensing 10/100BT ports IEEE 802.3 compliant

Auto-sensing 10/100/1000BT ports IEEE 802.3 compliant with 2-pair downshift feature

Auto-negotiation IEEE802.3u compliant

Automatic polarity correction

Front panel LEDs
Power supply and CPU Status

Switched ports : activity/link

3.3VDC or 5VDC Power supply
Up to 18 Watts according to the configuration

Extension board with front connection
4 Small Form Pluggable slots available for the one or two slots versions.

The 1000SX or LX transceiver characteristics are :
VCSEL (850nm) or FP laser (1300nm) model :
      850nm > 220m with MMF 62.5/125µm or 500m with MMF 50/125µm
     1300nm > 550m with MMF 62,5 or 50/125µm and 10 Km with SMF 9/125µm
     1550nm (consult us)

Consult us for the other configurations

Switch Management

Onboard firmware are implemented with Power on Built-In Test, maintenance functions and network (BootP/DHCP) updating functions.
Management software provides a wide range of configuration functions on any port : transmission speed/mode, VLAN, RST/STP parameters, mirroring, etc.

Supervision functions get lots of information in real time on the switch status in particular the local temperature. Optionally the management can be done through an out-of-band Ethernet port.

MIB and RMON counters and private information are reachable from SNMP agent, HTTP web-browser via Ethernet.

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

Standard Conformance

Emissions EN55022A

Immunity CEI61000-4-2 (ESD), 61000-4-3 (Electric field), 61000-4-4 (fast trasient), 61000-4-5 (Surge), 61000-4-6 (Electric conduction)

Switching
Store-and-Forward with low last-bit-in to first-bit-out delay
Full wire-speed on each port even with 64-byte frames
Link aggregation (802.3ad) with static or LACP management

MAC level
8000 MAC unicast address with automatic aging, self-learning mechanism or static configuration
Tag extraction and insertion (802.1p), security with locked port mode, etc

Queue Buffer
Four levels of priorities queuing per port with fixed or weighted priority

Flow Control
Back pressure and pause frame-based flow control schemes are included to support zero packet loss under temporary traffic congestion

Filtering/Forwarding Rate
Ingress storm limiting for instance broadcast discard above a threshold
Egress rate shaping

Spanning Tree Algorithm
STP (802.1D) or RSTP (802.1w) provide redundant link support and Fast port capabilities.

VLANs
Port based VLANs or VLANs full compliant with 802.1Q standard and per-VLAN forwarding databases

QoS
Layer2 : Tagged frames according to 802.1p (Tagged or untagged frames supported on each port)
Layer3 : IPv4 TOS/DS, IP V6 TC, priority override

Port Mirroring
Allows the administrator to mirror traffic from a port to an external network analyser for in-depth traffic analysis

Virtual cable tester
some of possible problems that can be diagnosed include opens, shorts, cable and termination impedance mismatches, bad connectors, etc.

Click on the diagram to zoom in