User`s guide
®
USER’S GUIDE
Network Management Card
11
Link-RX/TX (
10
/
100
) LED
This LED indicates the network status.
Watchdog Features
Overview
To detect internal problems and recover from unanticipated inputs, the Management
Card uses internal, system-wide watchdog mechanisms. When it restarts to recover
from an internal problem, a System: Warmstart event is recorded in the event log.
Condition Description
Off One or more of the following situations exist:
• The Management Card is not receiving input power.
• The cable that connects the Management Card to the network is
disconnected or defective.
• The device that connects the Management Card to the network is turned
off or not operating correctly.
• The Management Card itself is not operating properly. It may need to be
repaired or replaced. Contact APC Worldwide Customer Support
.
Solid Green The Management Card is connected to a network operating at 10 Megabits
per second (Mbps).
Solid Orange The Management Card is connected to a network operating at 100
Megabits per second (Mbps).
Flashing Green The Management Card is receiving or transmitting data packets at 10
Megabits per second (Mbps).
Flashing Orange The Management Card is receiving or transmitting data packets at 100
Megabits per second (Mbps).
Using the 5-Port 10Base-T Hub SmartSlot Card eliminates the requirement
for a separate hub power supply. However, this card requires that all Network
Management Cards connected to it operate at 10 Mbps, not 100 Mbps.