Any changes to Call-UPSII of the session. Changes are mands at that time.
communication settings are held until the end made when Call-UPSII issues modem com-
Connect to Modem
Call-UPSII requires a modem for remote UPS control and paging. If a modem is used with Call-UPSII, some thought must be given to powering it. Plugging the modem into the protected power output of the UPS will keep the modem operating in bad power conditions, but remote turn-on of the UPS will not be possible since, when the UPS is off, the modem
is off. By plugging the modem into a wall socket, remote turn-on of the UPS will work, but the modem will have to get by with unprotected power. Also, it is possible in this situation to miss pages, since the modem would be off in a power outage that Call-UPSII tries to report by paging.
A better option is to use a modem designed for portable computers that draws power from the computer. Call-UPSII will power such a modem, providing protected power whether the UPS is on or off. Be careful to use a modem that draws power from Call-UPSII, not a battery.
The configuration is complete. Disconnect the management device from Call-UPSII. Connect the Call-UPSII according to the appropriate system connection diagram on the following page.
Note: Use a standard modem cable to make this connection. Do not use the null modem cable supplied with Call-UPS II.