The 3U CompactPCI serial-based gigabit Ethernet switches for data processing and I/O implementations provide up to 16 gigabit Ethernet ports on the back or three ports on the front panel, as well as 13 on the rear. Both the managed G302 and the unmanaged G303 switches support full- or half-duplex operations, non-blocking store-and-forward switching and auto-negotiation as well as layer-2 switching. Operating temperature is -40°C to +85°C with shock and vibration tested in accordance with EN 61373. In a peripheral slot, the G302 and G303 can take over tasks for connecting external devices without software overhead. The fault-tolerant G302 has the ability to restore itself and, if a link is temporarily unavailable, frames can be sent via backup or redundant links to eliminate data loss. The G303 can function similar to a managed switch with fixed settings via an application-specific configuration EEPROM. This allows the switch to offer features atypical of an unmanaged switch, including 802.1p priority and port-based priority, port-based VLAN or IEEE 802.1q VLAN IDs.
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