17
Features
The zl Modules have the following features:
■ All zl modules share the following features:
• auto-enabled ports—the ports are all configured to be ready for
net
work operation as soon as a viable network cable is connected
• auto-configuration—a default configuration is applied to the module
wh
en the switch is powered on and the module passes self test; this
default configuration works well for most network installations
• LEDs that provide information for each port on the link status,
net
work activity, connection bandwidth (speed), communication
mode (half or full duplex)
• “hot swap modules” operation—you can add a module or replace a
module
without having to shut down the switch (changing the module
type in a given slot does require a switch reset)
• “hot swap mini-GBICs” operation—you can add, replace, or change
the ty
pe of any of the mini-GBICs that you use without having to first
remove the module, and without having to shut down the switch
• the RJ-45 ports on all modules have the HP
Auto-MDIX and the IEEE
802.3ab Auto MDI/MDI-X feature. These features operate the same
way and allow you to use either straight-through or crossover twisted-
pair cables for all the twisted-pair network connections. (See the note
on “Automatic Cable Sensing” on page 26.)
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