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This topic describes how to rectify hardware faults based on equipment indicator status.
ϒ⁄Checking ASI Board Indicators
ϒ⁄The ASI board is an analog user interface board that provides access services for POTS phones.
ϒ⁄Checking OSU Board Indicators
ϒ⁄The OSU board provides access services for analog terminals and trunks.
ϒ⁄Checking SCU Board Indicators
ϒ⁄The SCU board is a main control board that provides softswitch services and processes media control protocols. The SCU board supports three board working modes: single-network-port mode, dual-network-port mode, and triple-network-port mode.
ϒ⁄Checking MTU Board Indicators
ϒ⁄The MTU board is a media-trunk resource board that connects to digital trunks, plays announcements, and holds conferences.
Parent Topic: Routine Maintenance