User guide

Chapter 2 Installation Procedures
Power On the Cisco 678
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Cisco 678 ADSL Router Installation and Operation Guide
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Step 4 (Optional) Plug the microfilter into the phone port, then plug the telephone into
the microfilter.
Note Never connect a telephone directly to the phone port as this
affects the Cisco 678 performance.
Power On the Cisco 678
Step 1 Connect power to the Cisco 678 by plugging the power supply into an appropriate
electrical outlet.
Note Use only the Cisco-approved power supply that shipped
with the Cisco 678 as your power supply.
Step 2 When you have powered up the Cisco 678, check that the Power LED is ON.
Step 3 If the Power LED is not lit, immediately remove the barrel power connector from
the Cisco 678. Refer to Chapter 4, “Troubleshooting,” for information.
Note To power down the Cisco 678, unplug the power supply cable from
the Cisco 678 rear panel PWR connector.