3
Mini-GBIC Operation Notes
Hot Swapping mini-GBICs
The Gigabit-SX and Gigabit-LX mini-GBICs that you can install in your HP Procurve Switch can be
“hot swapped”—removed and installed after the switch is receiving power. You should disconnect
the network cables from the mini-GBICs before hot swapping them.
When you replace a mini-GBIC with another mini-GBIC of a different type and then execute the write
memory command in the switch console, the switch configures the port on the new mini-GBIC with
the default mode (speed and duplex) settings used for new mini-GBIC type. The default mode for the
Gigabit-SX, Gigabit-LX, and Gigabit-LH mini-GBICs is Auto. Note that the switch retains other port-
specific configuration settings, such as trunking, Spanning Tree Protocol (STP), and VLAN values
that were configured for the previous mini-GBIC.
Connecting the mini-GBICs to Devices with Fixed Configurations
For some older network devices, including some older HP Procurve devices, the default for the
Gigabit-SX and -LX ports is a fixed configuration, for example 1000 Mbps/Full Duplex, or is otherwise
different from these default configurations for the mini-GBICs, which is Auto. As a result, those
devices may not connect properly to your mini-GBIC port; you will not get a link. Because of these
default configuration and full-duplex considerations, for best operation, you should make sure that
the devices connected to the mini-GBIC ports are also configured to Auto. At a minimum, make sure
the configurations match.
59903064_fish-readme.fm Page 3 Tuesday, October 29, 2002 6:33 PM
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