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Cisco MGX 8850 Multiservice Switch Installation and Configuration
Release 1.1.31, Part Number 78-11223-03 Rev. B0, May 2005
Chapter 2 Module and Service Descriptions
Processor Switching Module
• Port Activity Active and Clear/Remote alarm/ Local alarm (green/yellow/ red)
• LAN activity (flashing green)
Figure 2-1 PXM1 Front Card
PXM1 User Interface Back Cards
The PXM1 User Interface (PXM1-UI) back card provides ports for communication and control. This
card is also used to connect the system to an external clocking source. Install this card in the upper half
of the back of the PXM1. See the “User Interface Access Ports” section on page 5-2 for more information
on the PXM1 back card ports.
There are two options for the PXM1 User Interface back card:
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