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Chapter 2 Hub Installation
Before you download the new P110 NMA software, please note that when
upgrading from P110 NMA version 8.0 or below to 8.1 or higher, all port
configuration parameter settings will be lost. The following parameters will be
set back to the factory defaults:
• In the P114T the Port Speed (10/100 Mbps) parameter will be set to
100 Mbps.
• The Port Mode (Half/Full Duplex) parameter, will be set to Half Duplex.
• Redundancy in the P113F will be set to OFF.
• The Auto Sense (Auto-negotiation) process, where available, will be set to
Disabled.
• All ports will lose their VLAN assignment and will be reassigned to
Generic VLAN.
• The Administration Status of all P110 switches will be Enabled. In order to
avoid any possible loops, any port that you disabled using the
management software must be physically disconnected before software
download. Once you have downloaded the new software, set the port to
disabled again and then reconnect the cable.
4. Place the P112T in the stack. The P110 NMA must be in the top switch of the
stack.
To ensure proper ventilation, ensure that all empty P110 NMA slots in the
stack are closed.
5. Connect P110 switches using P110 Exoplane cables, as shown in Figure 1.
A switch connects to its upper neighbor through two Exoplane cables, and to
its lower neighbor through another two Exoplane cables.
Make sure that the P110 Exoplane cables are correctly seated by gently
exerting pressure on the back of the connector.
6 P112T Stackable Switch Installation Guide