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6 P114F Stackable Switch Installation Guide
Stacking Operation
To make the P114F work as part of a stack (and to give SNMP management
capabilities to a single P114F), a P110 NMA with the correct software version is
required. See the P114F Stackable Switch Release Notes for the required version.
You should make sure the P110 NMA has the latest agent software. To check what
software version you have, see the agent configuration window in CajunView,
MSNM, or see the setup main menu of the P110 NMA.
1. Before adding a switch to the P110 stack, turn off the main power to the stack,
by individually switching off each switch
2. Place the P110 NMA in the top switch of the stack.
3. If the P110 NMA contains the latest software version, go to step 4.
If the P110 NMA does not contain the latest agent software, you should
perform a software download of the latest version The latest software is in
always shipped with the P110 NMA. See the P110 NMA Read Me First
document for details.
Download is performed via TFTP using a Terminal console or via the timed
Download application from your management station– details can be found in
the P110 NMA installation Guide.
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 P114F 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 the supplied P110 Exoplane cables, as shown in
Figure 1. A switch connects to its upper neighbor through two Exoplane cable,
and to its lower neighbor through another two Exoplane cables.