Connecting The Power - Cisco UC520-24U-8FXO-K9 Overview

Figure 12 Attaching the Ground to Chassis (24-, 32-, and 48-User Model)
1 Grounding lug
Step 4 Connect the other end of the ground wire to a known reliable earth ground point. If there is
any doubt as to the reliability of the ground point, contact a licensed electrician for assistance.
6

Connecting the Power

Warning Only trained and qualified personnel should be allowed to install, replace, or service this
equipment. Statement 1030
Warning The ISDN connection is regarded as a source of voltage that should be inaccessible to
user contact. Do not attempt to tamper with or open any public telephone operator
(PTO)-provided equipment or connection hardware. Any hardwired connection (other
than by a nonremovable, connect-one-time-only plug) must be made only by PTO staff or
suitably trained engineers. Statement 23
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1