Cisco EHWIC-4ESG Switch Interface Card

Feature	Specification
Interface Type	4x Gigabit Ethernet (10/100/1000 Mbps)
Auto-Negotiation	Supported
Media Type	RJ-45 (uses copper cabling)
PoE (Power over Ethernet) Support	Optional (depending on model variant)
Switching Capacity	8 Gbps per slot
MAC Address Table Size	Up to 64K entries
Jumbo Frame Support	Up to 9216 bytes

Description: Expands Wired Connectivity: Adds four Gigabit Ethernet ports to your compatible Cisco router, enabling connection to high-speed devices. Auto-Negotiation: Simplifies configuration by automatically detecting and adjusting speed and duplex mode for connected devices. Media Type: Utilizes RJ-45 connectors for standard copper cabling. Optional PoE Support: Certain models offer Power over Ethernet (PoE) functionality, allowing you to power compatible devices like VoIP phones or IP cameras directly through the data cable. Switching Capacity: Provides a switching capacity of 8 Gbps per slot, ensuring smooth data transfer between connected devices. MAC Address Table Size: Supports a large MAC address table to handle a significant number of connected devices. Jumbo Frame Support: Enables transmission of larger data packets for improved performance in specific applications.