Avaya ATM Link Modules and Routing Engines in BN Platforms Manual de usuario descargar pdf (Pagina 45)

Checking Status Indicators

114951-B Rev 00

3-5

LEDs 14 and 15 in Group 3 (refer to Figure 3-3) indicate the diagnostic test that is

currently executing. Table 3-3

shows the LED patterns for each test.

The HDCM button has three functions:

• Cold-starts the ARE processor (when you press it for more than 1 second and

release — regardless of the session).

• Establishes an HDCM session (when you press it for less than 1 second and

release). The HDCM session is for Nortel Networks Customer Service

personnel only.

• Warm-starts the ARE processor (when an HDCM session is running and you

press it for less than 1 second and release).

16 (Amber) The Technician Interface is running on this slot.

17 through 25 (Green) Transmit and Receive ATMizers are active. These LEDs

indicate bus activity.

26 (Amber) Motorola Power PC microprocessor memory coherency

operations are taking place. Memory coherency operations

occur when the two Power PCs share data between their data

caches. The Power PCs need to keep the data coherent so

that neither one has outdated information.

27 through 31 (Green) There is activity on the processor bus.

32 (Green) The ARE processor power is receiving power (3 V).

Table 3-3. ARE Processor Diagnostic Codes

LED 14 LED 15 Diagnostic Test in Progress

OFF OFF CPU

ON OFF Backbone

OFF ON Link Module

ON ON ATM

Table 3-2. ARE Processor LEDs

(continued)

LED Description

1 2 ... 40 41 42 43 44 45 46

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Avaya ATM Link Modules and Routing Engines in BN Platforms Manual de usuario Pagina 45