CenturyLink C4000BG User Manual page 14

FAX: N/A
If the trouble is causing harm to the telephone network, the telephone company may request you to remove the equipment from the network
until the problem is resolved.
This equipment uses the following USOC jacks:
It is recommended that the customer install an AC surge arrester in the AC outlet to which this device is connected. This is to avoid damaging the
equipment caused by local lightning strikes and other electrical surges.
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