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Cisco WS-X6748-GE-TX 48-Port 10/100/1000 Switch Module w/ WS-F6700-CFC, Black, Automatic Operation
Model No WS-F6700-CFC SKU CIS-SWI-WS-F6700-CFC

Cisco WS-X6748-GE-TX 48-Port 10/100/1000 Switch Module w/ WS-F6700-CFC, Black, Automatic Operation

CISCO WS-X6748-SFP 48 Port Gigabit Ethernet-SFP Switching Module w/ WS-F6700-CFC