Nortel Networks 9150 - Manual (Page 141)

Remote Gateway 9150 Installation and Administration Guide 111
January 2005 Installing the Remote Gateway 9150 unit
Powering up the Remote Gateway 9150 unit
As soon as you connect the Remote Gateway 9150 unit to the power source, the
unit begins to power up.
Note: If you are connecting a Remote Gateway 9150 unit to a UPS
(uninterruptible power supply), ensure that the UPS has a minimum of 100
Watts available.
During power up, the following events occur:
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The Remote Gateway 9150 unit performs a self-test that verifies all critical
functionality.
!
An LED indicator test sequence is performed.
Power-up self-test
During power-up, the Remote Gateway 9150 unit performs a self-test that
verifies all critical functionality, including:
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RAM memory test
!
EPROM checksum validation
!
Flash checksum validation
!
DSP health
!
interface loopbacks
The power-up cycle also automatically detects if one or more trunk interface or
DSP application modules have been installed. You can configure trunk interface
and DSP application modules using Configuration Manager.
The power-up cycle takes about 60 seconds to complete.