H3c-technologies H3C SecPath F5000-A5 Firewall User Manual download pdf (Page 114)

104

Precautions

• Make sure the fiber connector and fiber type match the transceiver module type.

• The optical interfaces on some cards have shielded covers. Remove the shielded covers before

using the optical interfaces. Optical interfaces must be installed with shielded covers when they are

not in use. Keep them safely.

• Fiber connectors must be protected under safe and reliable outer packing, and be fitted with dust

caps. Fiber connectors must be installed with dust caps when they are not in use. Take care not to

scratch their end face. Replace the dust cap if it is loose or polluted.

• Before connecting a fiber, use dust free paper and absolute alcohol to clean the end face of the

fiber connector. You can brush the end face only in one direction. You also need to brush the end

face of the fiber port.

• Never bend or curve a fiber when connecting it. After a fiber is installed well, the bend radius must

be not less than 10 cm (3.94 in).

• If the fiber has to pass through a metallic board hole, the hole must have a sleek and fully filleted

surface (the filleting radius must be not less than 2 mm, or 0.08 in). When passing through a

metallic board hole or bending along the acute side of mechanical parts, the fiber must wear

jackets or cushions.

• Insert and remove a plug with care. Never exert a fierce force to the fiber or plug; otherwise the

plug may be damaged or the fiber may be broken. Never pull, press or extrude the fiber fiercely.

For the allowed maximum tensile load and crush load, see Table 35.

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H3c-technologies H3C SecPath F5000-A5 Firewall User Manual Page 114