P/N 480-0049-00-13
2-5
Chapter 2: Hardware Components
Front Panel LEDs
The LEDs display the health of the system. There are different types of LEDs: network, LAN, Alert and
Power. For LED definitions, see Table 2-3.
Figure 2-4
Front Panel LEDs
Table 2-3
Front Panel LEDs Definitions
LED
Label LED
Color
Description
Network
(PSTN) or
PBX
1-8
Red
Receive Path Error Indication. Line
is not connected or other receive
errors.
Yellow
Receive Path Error Indication. Line
is not connected or other receive
errors.
Green
Indicates B channels are busy.
Off
The port is empty.
LAN1
LAN2 (LAN 2
is reserved for
future use)
Link/ACT
Green
On: Link is good.
Flashing: Line is working properly
and activity is on the line.
Off: Link has failed.
100
Green
On: Activity is being transmitted at
100 Mbps.
Off: Activity is being transmitted at
10 Mbps.
Power
Power
Green
On: Indicates power is on.
Off: Power is off.
Alert
Alert
Amber
Operational Status.
Off:
Tenor DX
is working prop-
erly.
On: One or more diagnostic tests
have failed.
1
2
3
4
5
6
7
8
R
E
S
E
T
D
I
A
G
CONSOLE
POWER
ALERT
LAN 1 LAN 2
Line/Act
100
Line/Act
100
Network LEDs
LAN LEDs
Alert LED
Power LED