Reference Manual

Operation and Maintenance Support

Description

The Operational indicator is controlled from the Diagnostics and Fault

handling functionality, Restart and Recovery functionality and Function

Change Functionality. The indicator is turned off 2-10 seconds after the

SW has started. When the RU is reset in any way the handling of the

indicator is terminated.

For description of the Remote Operational Indication function and

Operational Information function see the parts of this section called

"Operational States" (part "RU in Remote Mode").

Colour: Green

Position: Main RUs (DXU, TRU, ECU) and Sub

RUs (PSU, BFU, CDU).

States of the indicator

ON: The RU is considered Operational.

FLASHING (0.5 Hz):

− Conﬁguration activity initiated from the BSC,

(which may take more than 10 seconds to

complete) in progress OR

−

SW is being received OR

− Restart pending (after SW download).

OFF The RU is considered Not Operational.

Priority FLASHING has a higher priority than ON

and OFF. ON has a higher priority than

OFF. If the conditions for two states are

fulﬁlled, the one with the highest priority

will control the indicator.

Operational States

EN/LZT 720 0008 P2A

2001-11-28

355 (485)

Preliminary