Specifications

MGX 8220 Service Modules 4-21
AUSM-8T1/E1
CESM 8-Port LED Indicators
The CESM 8-port LED indicators are described in Table4-4. All LEDs are located on the faceplate
of the front card.
Table4-4 CESM 8-Port LED Indicators
AUSM-8T1/E1
The AUSM-8T1/E1 is a multipurpose card that supports up to 8 T1 or E1 ports and can be used for
the following four MGX 8220 applications:
1 ATM Inverse Multiplexing NxT1 and NxE1 trunking
This application supports inverse multiplexed trunks between MGX 8220 shelves. In turn, this
supports inverse multiplexed trunks between BPX 8620/IGX network nodes via MGX 8220
shelves and remote MGX 8220 shelves.
2 ATM UNI card with eight ports to provide a high port density service module
With all ten available slots installed with the AUSM-8T1/E1 cards, a single MGX 8220 shelf
could support up to 80 individual T1/E1 lines.
In UNI/NNI mode each card can support 1000 data connections and 16 management
connections. In STI format, each card can support 100 virtual paths.
Type of LED Color Meaning
PORT LED Green Green indicates the port is active.
Red Red indicates there is a 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.