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Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (SIP)
OL-3410-01
Chapter 2 Installing the Cisco ATA
Power-Down Procedure
Power-Down Procedure
Caution If you need to power down Cisco ATA 186 or Cisco 188 at any time, use the following power-down
procedure to prevent damage to the unit.
Procedure
Step 1 Unplug the RJ45 Ethernet cable
Step 2 Wait for 20 seconds.
Step 3 Unplug the power cable.