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Mini-GBIC Operation Notes
Hot Swapping mini-GBICs.
The Gigabit-SX, Gigabit-LX, and Gigabit-LH mini-GBICs that you can install in your 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 ProCurve devices, the default for the Gigabit-SX, Gigabit-
LX, and Gigabit-LH 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.
© Copyright 2004-2008 Hewlett-Packard Develop-
ment Company, L.P. The information contained herein
is subject to change without notice.
Part Number: 5992-3126
March 2008
Printed of Singapore
*5992-3126*
3400_cl_RMF.fm Page 4 Monday, April 7, 2008 4:03 PM