Card Descriptions
6.1.1 Controller Card LEDs
Figure 34 LEDs on Controller Cards
Each controller card has:
• Four equipment LEDs—Indicate current card status
• One synchronization and two external timing LEDs—Indicate the status of
any connected external timing source
• Two facility LEDs—Indicate status of the Ethernet port
Table 84 Equipment LEDs on Controller Cards
Label Activity Color Description
On Red A failure exists on the controller card.
(1)
Blinking Red Standby controller is being synchronized with the active controller.
(2)
FAIL
Off None No failure exists on the controller card.
On Green This controller card is the active controller.ACTIVE
Off None This controller card is either on standby (the STDBY LED is on) or has failed
(the FAIL LED is on).
On Yellow This controller card is the standby controller for the system.STDBY
Off None This controller card is either the active controller for the system (the ACTIVE LED
is on) or has failed (the FAIL LED is on).
10927/153 30-CRA 119 1170/1 Uen A | 2010-04-09
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