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Chapter 2:  Single-Density Server Blades, 4 Enclosures per Rack
The following tables provide the cabling configurations for  gigabit Ethernet single-density server blades with  four enclosures per cabinet:
16-Port Patch Panel Configurations (Single Density, 4 Enclosures per Rack)
8-Port Cisco Switch Configurations (Single Density, 4 Enclosures per Rack)
4-Port Cisco Switch Configurations (Single Density, 4 Enclosures per Rack)
1-Port Cisco and Nortel Switch Configurations (Single Density, 4 Enclosures per Rack)