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WARNING: Disconnect primary power prior to servicing.
Section 4 Theory of Operation
Maxiva ULX COFDM Series
4.4.3.2 PCM Card
The TCU in each cabinet also contains a PCM (processor control module) card. The
PCM card contains the Harris Coldfire based micro module running embedded Linux
OS. The PCM allows use of an optional 5.25" color 1/4 VGA GUI touch screen for
enhanced monitoring and control. It also provides exciter and multi cabinet data
collection, fault logs, web remote connectivity via TCP/IP connection, SNMP error trap
reporting and configuration and setup interface.
Figure 4-4 PCM Block Diagram