Installation and Reference Guide HP AdvanceStack 100Base-THub-12TX, Hub-12TXM, and Switch Modules 1997-06

HP Hub-12TX/Hub-12TXM Installation and Reference Guide
5-4 Hardware Reference
Managed
Color: Green
Function: Indicates a valid connection between hub and agent
LED State Indication Hub-12TX Indication Hub-12TXM
ON Hub has a valid connection with an
Agent through the Stacking Port.
Hub Agent is active.
OFF Hub is in a standalone
configuration, or does not have a
valid connection to an Agent.
N/A
BLINKING Hub Agent has failed.
Table 5.4 Managed Indicator
Management Mode Indicators
Color: Green
Labels:
Master, Backup
Function: Displays status of the on-board management agent.
LED Condition Indication
Master Backup
ON OFF SNMP agent is functioning as the primary agent.
OFF ON SNMP agent is functioning as a backup agent.
OFF OFF SNMP agent is not installed or has failed.
Table 5.5 Management Mode Indicators
Hub ID
Color: Green
Function: Indicates Unit ID Setting
In a stacked system with a Hub-12TXM present, each hub unit
has a unique ID. The Hub-12TX/Hub-12TXM is equipped with
a function that automatically sets the hub ID, freeing the user
from this task. The unit’s
Hub ID LED indicators are marked “1,
2, 3, 4, 5.” In normal operation one LED will display a steady
light to indicate each hub’s ID; while in configuration mode,
the LEDs will blink.