Black Box MD1641A Manuale Utente
23
CHAPTER 2: Installation and Connection
Note: Appendix A lists some basic and specific troubleshooting
actions to take if your Modem is not operational.
actions to take if your Modem is not operational.
2.3 Is Your Series II Modem Ready for Use?
As soon as you connected power to the modem, it performed a
diagnostic self-test. The speed indicators flashed in sequence for
approximately four seconds, then the
diagnostic self-test. The speed indicators flashed in sequence for
approximately four seconds, then the
28.8
indicator is lit. The
TR
indicator should be lit as well. The
SD
,
RD
,
CD
, and
OH
indicators
should remain off at this time. If not, check that the transformer is
solidly connected and that your AC outlet is live.
solidly connected and that your AC outlet is live.
If you’re an experienced modem user, you may simply want to check
your modem’s settings for data compression, error correction, and so
on. You may find that you can get moving quite quickly if you just issue
an
your modem’s settings for data compression, error correction, and so
on. You may find that you can get moving quite quickly if you just issue
an
ATL5, ATL6
and an
ATL7
command. These commands lists how
your modem is currently configured. If you come across a setting you’re
unsure of, refer to Chapters 5 and 6 of this manual for
unsure of, refer to Chapters 5 and 6 of this manual for
AT
command
and S-Register explanations and defaults.
If you’re a novice, please continue to the next sections of this chapter.