Chapter 2: Hardware Components
2-4
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
Flashing Amber
Port is off-line.
Amber
Receive Path Error Indication. Line
is not connected or other receive
errors; calls are not going through
successfully.
Amber
Layer 1: up
Layer 2: down
Green
Layer 1 and Layer 2: up
Off
The port is empty or unconfigured.
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 BX
is working properly.
On: One or more diagnostic tests
have failed.
Network LEDs
LAN LEDs
Alert LED
Power LED
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