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The PowerQUICC II
Ethernet Signal CPM I/O Port
Three Ethernet LEDs, LED3, LED4, and LED5, driven respectively by the LXT971A
LED/CFG(1:3) outputs, are provided on the front panel.
TTY Console Serial Port
The SMC1 part of the CPM is used as a simple asynchronous serial port for connection to
a TTY console. An on-board RS232 transceiver translates the signals to RS232 electrical
levels which are routed to the 2.5mm stereo jack connector J4.
Table 1-13. Asynchronous Console Serial Port Wiring
User-Programmable LEDs
Five user-programmable LEDs (CPU_LEDs) are provided: four on the board, and one on
the front panel. They are controlled through CPM I/O ports used as simple outputs.
12
Table 1-12. Ethernet Signals on the CPM (cont)
SMC1 Signal CPM I/O Port
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Description
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J4 Connector
Interphase Corporation
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