Avaya M-ACCF/SF Switch User Manual


 
Chapter 3 Installation
Avaya M770 M-ACCF/SF ATM Access Modules User’s Guide 41
Power On Self Test
When you power up the Avaya M770 switch with an M-ACC module inserted, both
pass a self test. This check takes between 10 and 20 seconds to complete, and
includes:
Checksum tests of boot and system areas of Flash memory
System memory tests
MAC address verification test
System timer test
CAM (Contents Addressable Memory) tests
Console Port tests
Internal packet forwarding tests
—ASIC tests
Module interface tests
Module packet forwarding tests.
The LEDs used to indicate self-test failure and other post-installation checks are
described in Post-Installation Checks42.
Removing an Existing ATM Access Module
1 Loosen the screws by turning the knobs.
2 Grasp the two knobs one near each side of the front panel, and pull gently but
firmly towards yourself.
3 Insert another module or the blanking plate.