Installation61181012L1-5C 5INSTALLATIONAfter unpacking the 10Base-T Hub, inspect it for damage. If damage has occurred, file aclaim with the carrier then contact ADTRAN Customer Service. Refer to “Appendix A,Warranty” for further information. If possible, keep the original shipping container forreturning the 10Base-T Hub for repair or for verification of shipping damage.Shipping ContentsThe contents include the following items:• 10Base-T Hub• 10Base-T Hub Installation and Maintenance Practice (P/N 61181012L1-5)• An external mounting bracket that is shipped assembled to the hub and is used for wallmount and chassis mount• An internal mounting bracket that is shipped unassembled with the hub and is used to bayframework-mount the unit• Rubber desk mounts• Four 6-32 × 3/16 flathead screws, one cable tie, and five 12-24 × 3/8 screwsInstallation PrerequisitesBefore installing the 10Base-T Hub, observe the following:• Never install telephone wiring during a lightning storm.• Never install telephone jacks in wet locations unless the jack is specifically designated forwet locations.• Never touch uninsulated telephone wires or terminals unless the telephone line has beendisconnected at the network interface.• Use caution when installing or modifying telephone lines.• When installed, this unit is intended to be used behind devices that provide primarylightning protection.The 10Base-T Hub ships pre-assembled to the external mounting bracket, and unassembledfrom the internal mounting bracket. It is necessary to disassemble the 10Base-T Hub beforeinstalling on a wall or in a rack. See Figure 3 and Figure 4 for details on disassembling andassembling the 10Base-T Hub.C A U T I O N !SUBJECT TO ELECTROSTATIC DAMAGEOR DECREASE IN RELIABILITY.HANDLING PRECAUTIONS REQUIRED.