Product guide

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 34 56 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