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Powerware 9315 (200 kVA---300 kVA) Operation
164201036 Rev. D 041500
Configuring the Modem to Answ er Incoming Calls
To configure the modem to answer incoming calls, perform the following
procedure.
NOTE: Calling into the UPS does not present any type of security risk. There are no
commands that can be executed via the call-in feature except those available
to the Te rminal mode.
1. Connect the modem to the PC through the serial port as described in the modem
manufacturer’s manual .
NOTE: The brackets ([ ]) in the following steps indicate characters that require
keying in prior to pressing [ENTER].
2. Keyin[A],[T],thenpress[ENTER].
3. Confirm that the modem responds with “OK” or “0” (zero).
4. Keyin[A],[T],[S],[0](zero),[=],[2],thenpress[ENTER].
5. Confirm that the modem responds with “OK” or “0” (zero).
6. Keyin[A],[T],[S],[0](zero),[?],thenpress[ENTER].
7. Confirm that the modem responds with “OK” or “0” (zero) and a value of “002”.
8. Connect a telephone line to the modem. Test the modem by using another PC
equipped with a modem to dial the first modem.
9. Confirm that the UPS modem responds with “2” when the phone is ringing, and a
“1” after the UPS modem has answered and the carrier has been detected.
10. Keyin[A],[T],[&],[W],[0](zero),thenpress[ENTER].
11. Confirm that the modem responds with “OK” or “0” (zero).