Advantech PCM-3601 user manual Testing the Telephone Line Prior to Connection

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Install the modem into your computer as follows.

1)Turn off the computer

2)Remove the cover of your computer and locate the 5614HP expansion slot. Refer to your computer installation guide.

3)Plug in your 5614HP modem to the expansion slot, and make sure the connectors of the modem card are exactly aligned with the expansion slot.

4)Secure the modem card to the computer with screw.

5)Connect the telephone line from the wall outlet to the jack labeled LINE.

6)Connect the line from your telephone to the jack labeled PHONE. You may leave the PHONE jack unconnected.

CAUTION:

Handle the card only by its edges. The card precision com- ponents are easily damaged by static electricity or abuse. The metal bracket of the modem card should rest firmly on the rear panel bracket of the computer. If not, remove the modem card and try again.

1.7Testing the Telephone Line Prior to Connection

The quality of the telephone line significantly affects the reliability and quality of data communications. Make sure that both the telephone system and telephone line are in good order before the modem is connected.

Test the line by lifting the telephone handset and listening for a clear dial tone. Try placing a few calls. If the calls do not go through well or are not loud and clear, you may have a poor quality telephone line. In this case, find a better quality line for your modem to ensure reliable data communications.

We strongly recommend that you connect the modem directly to an outside telephone line. Do not connect your modem to a Private Branch Exchange (PBX) telephone system unless the system is proven to perform well under data transmission conditions.

1.8The Communications Software Configuration

Your modem follows the standard modem command set. Most of

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Contents PCM-3601 Copyright notice Unpacking and Installation Feature Fdsp Full -duplex speakerphoneChapter Data modem throughput up to 115.2K bpsError Correction & Data Compression Voice/audio modeNvram directory and stored profiles PackageUnpacking the Modem Look at the Modem CardPC/104 FaxModem Card Serial Port and Interrupt of the Modem Card Setting the COM Port and Interrupt of the Modem CardInstalling the Modem Card Testing the Telephone Line Prior to Connection Communications Software ConfigurationSoftware Configuration Tips AT&P0DP Getting StartedData Format Modem FundamentalsModem Basics Communications Protocol Speeds of the ModemOn-Line Speed DCE Speed Serial Port Speed DTE SpeedError-Correction and Data Compression Ecdc Flow Control Non-Volatile Memory NvramFactory Default Profile FDP Stored Configuration Profile SCPMajor Stored Configuration Profile Major SCP Active Configuration Area ACAStored Telephone Numbers STN Escape Sequence +++ Command State and Data StateModem Operation and Response Codes Deleting Commands Issuing CommandsCommand Buffer Modem AT Response Codes AT Commands Prefix, Repeat and Escape CommandsDial Commands and Dial Modifiers Operation CommandsW1 Enable V.42 response codes, display DCE speed M0 Set modem for async operation P0 M/B ratio 39/61USA Lease Line Backup Dial Line command set Option Call Back Security Command Set OptionLease Line/Dial Line command set Option Display Dialing Number if AT&In Command supportOption Auto Dial/Redial mode Option42bis and MNP Command Set Break ControlEcdc Operation Mode Selection MNP Response Code OptionData Compression Automatic RetrainRegister Summary Appendix aModem Register 1711h XON Character S33 255 Appendix B Result Codes+FCERROR Short Form Long Form Appendix C Fax Command Codes Fax ClassFax Class II Commands +FDIS Installation of Modem Driver in Win 95/98 Appendix D