16
C
1: I
HAPTER
NTRODUCING THE
Expansion Module
Slot
Default Settings
S
4900 SX
WITCH
You can use this slot to install an Expansion Module. Contact your supplier
for further information.
WARNING: When an Expansion Module is not installed, ensure the
blanking plate is fitted by tightening all screws with a suitable tool.
Table 6
shows the default settings for the Switch 4900 SX. If you initialize
the Switch units, it is returned to these defaults.
Table 6 Default Settings
Feature
Port Status
Port Speed
Duplex Mode
Flow Control
Broadcast Storm Control Enabled
Virtual LANs (VLANs)
Multicast Filtering
Spanning Tree Protocol
Switch 4900 SX
Enabled
1000BASE-SX
Full duplex
Auto-negotiated
High threshold: 3000 broadcast frames per second -
Notify and filter
Low threshold: 1500 broadcast frames per second -
Notify and unfilter
All ports belong to the untagged Default VLAN
(VLAN 1) only. 802.1Q learning is disabled
IGMP filtering is enabled
Disabled
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