User manual ACER ASPIRE 4745Z

[. . . ] you may be prompted by the software to configure certain communication parameters. We suggest the following settings: In order to check if the modem is installed properly, make sure that the COM Port and IRQ settings of the modem match the software. If it does not, either the modem may not have been installed properly or the software has not been properly configured. Since the communication software is designed to shield the user from the difficult and cumbersome AT commands, we strongly suggest that all modem operations be performed via the software. [. . . ] If you encounter problems while using your modem, please read this chapter. If you cannot resolve your difficulties after reading this chapter, contact your dealer or vendor for assistance. Configured with the correct COM port and IRQ setting (same COM port and IRQ setting as the modem). Your communications software will not be able to send or receive any data if it is not configured to match the COM and IRQ settings for the modem. 2 Make sure that your modem is initialized correctly. Your modem may have been improperly initialized by the software because you have selected an incorrect modem type. You may also be prompted to enter an initialization string by the software. Use AT&F as your initialization string. 1 Make sure the IRQ setting is identical on both the 2 Make sure the phone line is working properly. a Noisy line will prevent proper modem operation. Modem makes a connection but no data appears on your screen. Under X0, X1, X2, and X3, this result is used instead of DELAYED and BLACKLISTED. For X1, X2, X3, and X4, line speed is 1200 bps, and LU97 has been instructed to report the line speed upon connecting. For X2 and X4, LU97 has been instructed to wait for a dial tone during dialing, but none is received. For X3 and X4, busy tone detection is enforced, but a busy signal is detected when attempting to originate a call. For X4 and X5, a call fails to connect, and the number dialed is considered "delayed" due to country blacklisting requirements. Note: For X1, X2, X3, and X4, codes (short-form) 9-19, 153-155, 59, 61-64, 68, 70, and 98-122, are sent when LU97 has been instructed to report the line speed when connecting, and the line speed is as indicated. These codes are also reported when the API-controlled virtual DTE speed is reported upon connection. For X1, X2, X3, and X4, Soft Mode returns these codes upon establishing a V. 23 originate or answer connection when it has been instructed to report the line speed upon connection. This equipment complies with Part 68 of the FCC rules. Located on the bottom side of the modem is a label that contains, among other information, the FCC Registration Number and Ringer Equivalence Number (REN) for this equipment. [. . . ] This equipment complies with Part 68 of the FCC rules. Located on the bottom side of the modem is a label that contains, among other information, the FCC Registration Number and Ringer Equivalence Number (REN) for this equipment. Upon request, you must provide this information to your telephone company. If your telephone equipment causes harm to the telephone network, the telephone company may discontinue your service temporarily. [. . . ]