CANOGA PERKINS 9145ELB Network Interface Device Hardware - Manual (Page 37)

Operation 9145ELB NID Hardware User’s Manual
LED Indicators
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4.3 LED Indicators
The following sections describe the functions of the LED indicators on the 9145ELB front panel.
4.3.1 Management Section LEDs
The Link/Activity (LNK/ACT) front panel LED, located to the right of the MGMT UTP Port,
indicates the presence of transmit or receive activity. The Speed (SPD) front panel LED, located
directly below the LINK/ACT LED, indicates the speed of the transmissions.
Table 4-2. Ethernet Management, Status, and Power LED Indicators
LED Name LED State Condition
Speed
(SPD) Off
10 Mbps
Auto negotiate or no link
Port disabled
Amber
100 Mbps
System is booting
Slow Blinking Green* Port enabled but no link
Link/Activity (ACT)
Off
No link
No transmit or receive activity
Green Link on with full duplex
Blinking Green Transmission or receiving activity with full duplex
Amber
System is booting
Link on with half duplex
Blinking Amber Transmission or receiving activity with half duplex
* Slow blinking green means LED toggles between Off and Green approximately. once per
second.
Status
Off No power
Green Normal operation
Amber System self-test in progress
Blinking Amber System is booting
Red
Major alarms including link loss at any user or
Network Port
Blinking Red
Critical alarms requiring immediate user interven-
tion, e.g., the failure of one of the redundant
power supplies, temperature or voltage out of
range alarms, or a fan failure