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Cisco AS5200 Universal Access Server Overview 1-9

Feature Cards

Table 1-6 Dual E1/PRI Feature Card LEDs

LED State Description

Activity Flickering The CSU/DSU in the card is communicating with a

remote CSU/DSU.

Board OK On The E1/PRI card has passed initial power-up diagnostics

tests and is operating normally

Loopback On A local or remote loopback diagnostic test is running on

the associated E1 port.

120-ohm On The port is conﬁgured for 120-ohm line termination.

Remote alarm On A remote alarm indication signal (AIS) has been

received on the associated E1 port. The AIS is received

when there has been a loss of signal (LOS).

Local alarm On The associated E1 port has detected local loss of signal

(LOS) or out of frame (OOF) errors.

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Cisco AS5200 - Universal Access Server Manuale Utente Pagina 9