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
5-2 Hardware Reference
Indicator Panel
The front panel includes comprehensive indicators
for monitoring the hub. It displays the status of the network
connections for each port, the hub’s connection to the stack,
and the status of each on-board SNMP agent. A quick glance
can provide critical information, such as if a problem exists on
the network. The following sections describe the function of
each indicator.
Figure 5.2 Indicators
Power
Color: Green
Function: Indicator for power supply
State Indication
ON Unit is receiving power
OFF Power is disconnected, or power supply has failed.
Table 5.1 Power Indicator
Exp Slot
Color: Green
Function: Displays status of the Switch Port Module.
State Indication
ON Unit is installed and functioning properly.
OFF No module is installed in the Expansion Slot.
BLINKING Module has failed.
Table 5.2 Switch Port Module Indicator