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Connecting the Chassis to a +12V DC Power Supply
To connect the chassis to an AC power source:
Procedure
Step 1
Connect the AC power cable (supplied) to the recessed power plug on the rear of the concentrator.
Step 2
Plug the cable into an AC power source with a voltage of 100 VAC to 240 VAC.
Connecting a UPS to an AC-Powered Voice Gateway
Note
Before you install a UPS, make sure that you read the installation instructions.
The following figure shows a setup using a UPS.
Figure 14: Connecting a UPS to an AC-Powered Chassis
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Connecting the Chassis to a +12V DC Power Supply
If you are powering the chassis using a +12V DC power supply, ensure that you have not connected the
Caution
chassis to an AC power source. Do not use AC and DC power at the same time. If you do, the unit stops
operating, and you must reboot it with only a single power source.
Power to a DC-powered chassis is provided by a 12 Volt battery.
Follow these guidelines before you install a battery:
• Review the documents accompanying the battery before setting up your system.
Cisco VG310 and Cisco VG320 Voice Gateways Hardware Installation Guide
38
AC plug
UPS
Installing the Cisco VG310 and Cisco VG320 Voice Gateways
3
AC wall plug
OL-31292-01
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