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Configuring the modem to answer incoming calls, Final modem configuration – Powerware 5075 kVA User Manual

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Powerware BPIII Harsh Environment UPS 50--75 kVA Installation and Operatio

n

164201261 Rev. F 111503

Configuring the Modem to Answer 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 Terminal 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. Key in [A], [T], then press [ENTER].

3. Confirm that the modem responds with “OK” or “0” (zero).

4. Key in [A], [T], [S], [0] (zero), [=], [2], then press [ENTER].

5. Confirm that the modem responds with “OK” or “0” (zero).

6. Key in [A], [T], [S], [0] (zero), [?], then press [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. Key in [A], [T], [&], [W], [0] (zero), then press [ENTER].

11. Confirm that the modem responds with “OK” or “0” (zero).

Final Modem Configuration

The final step in configuring the PC modem for use with the UPS is to turn off the echo

feature of the modem. This procedure is performed automatically by the UPS.