Cisco Systems ata 186 User Manual
2-6
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide for MGCP (version 3.0)
OL-4803-01
Chapter 2 Installing the Cisco ATA
Power-Down Procedure
For more information about LEDs and the function button, see the
Power-Down Procedure
Caution
If you need to power down the Cisco ATA 186 or Cisco 188 at any time, use the following power-down
procedure to prevent damage to the unit.
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.
Warning
This equipment contains a ring signal generator (ringer), which is a source of hazardous voltage. Do
not touch the RJ-11 (phone) port wires (conductors), the conductors of a cable connected to the RJ-11
port, or the associated circuit-board when the ringer is active. The ringer is activated by an incoming
call.
not touch the RJ-11 (phone) port wires (conductors), the conductors of a cable connected to the RJ-11
port, or the associated circuit-board when the ringer is active. The ringer is activated by an incoming
call.