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Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Chapter
Circuit Emulation Service Modules
CESM 4-Port LED Indicators
The CESM 4-port LED indicators are described in Table 4-4. All LED indicators are located on the
faceplate of the front card.
Table 4-4 CESM LED 4-Port Indicators
Type of LED Color Meaning
PORT LED Green Green indicates the port is active.
Red Red indicates local alarm on the port.
Off indicates the port has not been activated (upped).
ACTIVE LED Green On indicates the card set is in active mode.
STANDBY LED Yellow Slow blink without the Active LED indicates the card is in the
boot state.
Fast blink with the Standby LED indicates the card is being
downloaded.
Fast blink indicates the service module is passing BRAM
channel information to the ASC.
Steady yellow indicates the card is in Standby mode and the
firmware is executing ADMIN code.
FAIL LED Red Steady Red with Active and Standby LEDs off indicates either
the card is in the Reset condition, the card has failed, or the card
set is not complete (no line module).
Steady Red with Active LED on indicates the card was active
prior to failing.
Steady Red with Standby LED on indicates the card was
standby prior to failing.
Both standby and red LED alight indicates self-test failure.