
Nortel Networks 5399 Access Switch Hardware Installation Guide
Chapter 1 Introduction
1-8
Figure 1-3. Model 5399 Remote Access Concentrator Front Panel
Front Panel Components
Annunciator
The Annunciator backlights the model number of the module and
indicates,by its color, the operationalcondition of the module. Table 1-1
describes the Annunciator conditions.
Annunciator
Segment
Connection
LEDs
WAN 1 Port
WAN 2 Port
Module Status
LEDs
Network Status,
Alarm, and
Port Usage LEDs
WAN 1
WAN 2
WAN 1
WAN 2
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