PLS-345 - Physical Layer Switch; User's Guide
Figure 9.4: AUX Port Connection
3.Configure Monitor Mode: Access the PLS command mode as described in Section 5.2. At the PLS> command prompt, type /M [Enter] to display the Monitor Mode Parameters Menu. Note that the Monitor Mode Parameters Menu is not available in User Mode. Set Monitor Mode Parameters as follows:
a)Item 1 - Monitor Mode: On.
Note: Do not enable the Monitor Mode until you have finished defining the other Monitor Mode parameters.
b)Item 2 - Switch if Level: 0 - Low.
c)Item 3 - Switch to Position: B.
d)Item 4 - Delay Period: 1 Minute.
e)Item 5 - Return: On (This will instruct the PLS to switch Circuit 1 back to the "A" position if the signal goes high again, and remains high for one minute.)
f)Item 6 - Circuits to Switch: Enable the Monitor Mode at circuit 1.
4.Set Circuit Parameters: From the PLS command prompt, type /P 1 [Enter] to display the Circuit 1 Parameters Menu. Use item 4 (Default Position) in the Circuit Parameters Menu to set the default state for Circuit 2 to "A".
5.Operation: When the switch is open, the input level will remain high, and Circuit 1 will remain in the "A" position. If the switch closes for more than one minute, the input level will drop, and Circuit 1 will be automatically switched to the "B" position. If the switch returns to the open position, and remains open for one minute, then Circuit 1 will return to the "A" position.
