Front Panel Leds; Figure 4. Front Panel For 6540 And 6541 Models; Figure 5. Front Panel For 6542 Model; Table 6. Led Indicator Functionality - ADTRAN 6540 Installation And Maintenance Manual

Front Panel LEDs

The front panel has LED status indicators that match the specific feature set of the model.
•
•
•
Label
SHDSL
G.703
NX64K
RTS/C
61230001E1-5E
Table 6 lists the LED configuration for each product in the series.
Table 7 on page 13 details LED functionality.
Figure 4 and Figure 5 illustrate the two possible front panel configurations.

Figure 4. Front Panel for 6540 and 6541 Models

Figure 5. Front Panel for 6542 Model

Table 6. LED Indicator Functionality

Status Description
Off Unit is powered off

Green Port is trained; no active alarms

Yellow

Port is trained with a minor active alarm
Red

Port is attempting to or is trained with a major alarm
Off Port is not active

Green Active Port with no active alarm

Yellow

Active Port with a minor alarm
Red

Active Port with a major alarm
Off Port is not active

Green Active Port with no active alarm

Red

Active Port with an active alarm condition
Off Nx64K port is not active or when active, V.35/V.36 "Request To Send"

or X.21 "Control" line from the DTE is off
Green V.35/V.36 "Request To Send" or X.21 "Control" line from the DTE is on

6540 Front Panel
6542 Front Panel
(3)
(4)
Installation
Express 6500 Series
Express 6500 Series
(1)
(2)
(5)
11