ZyXEL MI-7248 User Guide - Page 38
CONSOLE Port, ALARM Port
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Chapter 2 Front Panel 2.2.2 CONSOLE Port For local management through the command line interface (CLI), use a computer with terminal emulation software configured to the following parameters: • VT100 terminal emulation • 9600 bps • No parity, 8 data bits, 1 stop bit • No flow control Connect the male 9-pin end of the console cable to the CONSOLE port of the MM-7201. Connect the female end to a serial port (COM1, COM2 or other COM port) of your computer. 2.2.3 ALARM Port The ALARM port has input pins and output pins. A closed circuit on the ALARM input pins indicates an alarm. Pins 3 and 7 are alarm input one. Pins 4 and 8 are alarm input two. Pins 5 and 9 are alarm input 3. The MM-7201 signals an alarm when it detects an alarm on the ALARM input pins or in the MS-7206 system (for example, the voltage or temperature is outside the normal range). To signal an alarm, the MM-7201 opens the circuit for pins 1 and 6 (the common pin) and closes the circuit for pins 2 and 6. Figure 4 ALARM Pins Layout Pin 1 Pin 5 Pin 9 Pin 6 38 MS-7206 User's Guide