HP StorageWorks 2/140 FW 08.01.00 McDATA Products in a SAN Environment Plannin - Page 212
Routing Fiber-Optic Cables, In a Fibre Channel Protocol FCP environment, ports are
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Physical Planning Considerations 5 Figure 5-1 SFP Transceiver and LC Duplex Connector Routing Fiber-Optic Cables Follow a logical plan for routing fiber-optic cables to avoid confusing connections during installation and operation. Route cables from the access holes at the bottom of the Fabricenter equipment cabinet to fabric element ports. When routing cables to ports be aware: • In a Fibre Channel Protocol (FCP) environment, ports are numbered by physical port number. • In a fibre connection (FICON) environment, ports are numbered by logical port address. The translation between physical port number and logical port address varies by equipment type and original equipment manufacturer (OEM). Figure 3-17 and Figure 3-18 illustrate port numbering and logical port addressing for the Intrepid 6140 Director. Although the figures depict a UPM card map only for the Intrepid 6140 Director, physical port numbers and logical port addresses can be extrapolated for other switch products. Leave enough slack in the cables to allow cable movement for FPM card, UPM card, XPM card, LIM, or SFP optical transceiver removal and replacement or possible rerouting of the cable to another port. After cables are routed and connected, secure the cables to the sides of the cabinet using cable ties provided. When routing fiber-optic cables and estimating cable lengths, consider: • Cable routing inside the equipment cabinet to different port locations, and installation position of the director or switch (top or bottom of the cabinet). Plan for 1.0 meter (39.37 inches) of extra cable for routing through restraint mechanisms and rerouting cables to other ports. 5-8 McDATA Products in a SAN Environment - Planning Manual
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