Multitech MultiMobile MT56128ZLX-NT, Руководство пользователя

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52 MultiMobile
Chapter 4—Troubleshooting
The characters on the screen are doubled
• Both the TA and the software have the echo feature turned on. Since
only one needs an echo, turn off the software echo feature.
• The remote TA is echoing your typed characters. Type ATE1 and
press Enter . Then turn off the software echo feature.
No text appears on the screen when in Command mode
• If you can’t see the characters you enter, type ATE1 . Then press
Enter .
Communications software dials, but fails to connect
• Make sure the software dialing prefix is ATDT .
• Make sure the software and TA are set to the same COMx port.
• The TA may not have hung up the phone line since the last call.
• Change to Command mode and type ATH . Then press Enter .
In NDIS mode (Microsoft ISDN Accelerator Pack already
installed), when your laptop is turned on, Microsoft ISDN
Accelerator Pack reports “Network adapter fail.”
• Is your ISDN phone line attached properly to the ISDN network
connection cable and can you originate/answer ISDN calls?
• When the U-interface network connection cable is used:
ACT LED indicator ON : ISDN layer 1 active.
ACT LED indicator OFF : ISDN layer 1 failure. Check ISDN line link.
LNK LED indicator ON : SPID setting okay.
LNK LED indicator OFF : SPID setting failure. Check SPID settings.
• When S/T-interface network connection cable is used:
ACT LED indicator ON : PC Card powered on
ACT LED indicator OFF : PC Card powered on failure
LNK LED indicator ON : SPID setting okay (for US version) or ISDN
layer 1 active (for non-US version)
LNK LED indicator OFF : SPID setting failure (US version), or ISDN
layer 1 failure (non-US version)