High Performance V.34 28,800 BPS Internal FAX/Data Modem User's Manual Section One Section Two Section Three AT Command Set ... 6 Section Four S Register Summary ... 11 Section Five Section Six Section Seven Specifications ... 17 Section Eight Support And Service ... 17 Section Nine FCC, DOC, Copyright And Part #MAN018 Rev.
Section Two - Installation This section will provide step by step instructions on how to install your new 28.8 Kbps FAX/Data modem. Installation of this modem product is a two-step process consisting of actual hardware installation and communica- tion software installation and configuration.
Figure 2-1 Common Serial Ports male connector set to COM1 on IRQ4. Reconfigure the modem to either COM3/IRQ5 or COM4/IRQ2 (refer to Table 2-1 in Sec- tion 2.4). Remove your computer's cover (refer to your computer's owner manual). Select any available half-card slot, and then remove the slot cover (refer to Figure 2-2).
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Panel, double-click on Ports. Click once on the icon for the Com port you have set your modem to. Click the Settings button. Click the Advanced button. The Base I/O Port Address should already be set by Windows to the COM port address used by the modem (refer to Table 2-1).
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An IRQ (interrupt request) is a signal generated by an I/O device that notifies the computer of incoming data. Your internal modem is capable of accessing IRQs 2, 3, 4, and 5. I/O devices in your computer cannot share an IRQ with another device at the same time.
2.5 Using the Fax Capabilities of the Modem Your modem has built-in advanced FAX functions. The commands to control these functions are software driven and are not normally accessible to the user. Consult your FAX software manual about procedures on using FAX features.
commonly asked questions and problems. Section Three - AT Command Set 3.1 Executing Commands Commands are accepted by the modem while it is in Command Mode. Your modem is automatically in Com- mand Mode until you dial a number and establish a connec- tion.
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2400 bps connection only 4800 bps connection only 9600 bps connection only 14400 bps connection only 16800 bps connection only 19200 bps connection only 21600 bps connection only 24000 bps connection only 26400 bps connection only 28800 bps connection only 0 - 9, A-D, # and * DS=n Dial one of the four telephone numbers (n=0-3) stored...
Return to Data Mode and initiate an equalizer retrain Same as O1 with speed fall forward Same as O1 with speed fall backward Set Pulse dial as default Modem sends responses Modem does not send responses Read and display value in register r. Sr=n Set register r to value n (n = 0-255).
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with &D0) &F4 Same as &F2 except for Macintosh computers (&F2 with &D0) &F5 Same as &F except V.42bis and flow control are disabled &G0 Guard tone disabled &G1 550 Hz guard tone &G2 1800 Hz guard tone &H Display help screen &L0 Modem is set up for dial-up line operation &L1...
Set break control (n= 0-5). Default is 5 Normal data-link only Direct data-link only MNP data link only MNP or Normal data link V.42 data link only V.42 or MNP data link only V.42/MNP/Normal data link Initiate reliable link during a normal link Turn off flow control XON/XOFF software flow control CTS signal unidirectional hardware flow control...
Register Function Auto-answer Ring Ring counter Escape code character Carriage return character Line feed character Backspace character Dial tone wait time Remote carrier wait time Comma pause time Carrier detect response time 1-255/0.1 second Carrier loss time Touch-tone dialing speed Escape character guard time 0-255/0.02 second Reserved Echo, response, dialing,...
Section Six - Troubleshooting This section describes some of the common problems you may encounter while using your modem. If you can not resolve your difficulty after reading this chapter, contact your dealer or vendor for assistance. Modem does not respond to commands. 1.
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sounds noisy, you may have difficulty connecting to the remote device. Modem makes a connection but no data appears on your screen. 1. The remote system may be waiting to receive your data before it begins. Try pressing the ENTER key a few times. 2.
operation of your equipment. If they do, you will be notified in advance to give you an opportunity to maintain uninterrupted telephone service. The FCC prohibits this equipment to be connected to party lines or coin-telephone service. In the event that this equipment should fail to operate properly, disconnect the equipment from the phone line to determine if it is causing the problem.
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Before installing this equipment, users ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an accept- able method of connection. The customer should be aware that compliance with the above conditions may not prevent degrada- tion of service in some situations.
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