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
Hardware Reference 5-5
Console
Color: Green
Function: Indicates a connection to a management console
LED Activity Indication
ON Agent has a valid RS-232 serial port, or Telnet connection to a
management console and a user is logged in.
OFF No user is logged in via a management console connection.
Table 5.6 Console Indicator
Isolated
Color: Green
Function: Indicates the hub is isolated from the collision
domain of the stack
LED Activity Indication
ON Hub is isolated from the stack
OFF Hub is attached to the collision domain of the stack.
Table 5.7 Isolated Indicator
Utilization %
Color: Green and yellow
Function: Indicates the percentage of network bandwidth
currently utilized.
Label (%) Color Function
1, 5, 15 Green Indicates percentage of LAN bandwidth in use by valid
30, 65
+
Yellow data.
Table 5.8 Utilization Indicators
There are five LEDs representing the percentage of network
bandwidth in use by the attached stack (or isolated hub). When
active, these LEDs look like a stereo’s equalizer display. The
hub updates this display every 0.5 seconds.