AirLink Communications Raven X HSDPA Uživatelská příručka Strana 100

  • Stažení
  • Přidat do mých příruček
  • Tisk
  • Strana
    / 107
  • Tabulka s obsahem
  • KNIHY
  • Hodnocené. / 5. Na základě hodnocení zákazníků
Zobrazit stránku 99
Raven X HSDPA for Cingular - User Guide, version 2.33 95
APPENDIX F Frequently Asked Questions and
Technical Support
Many of these questions and solutions in the following sections come from AirLink Support.
FAQ Topics
Power, Antennas, and Signal Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 95
What is RSSI? Why is the RSSI for my Raven X negative?
What is the Proper RF Coverage for my Raven X?
What Type of Antenna is Best for my Raven X?
What do I need to power my Raven X ?
Can I use a portable battery to power my Raven X ?
The Raven X’s IP Addresses and Local Networking. . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 97
Why Can’t I reach my Raven X from the Internet? What is a Restricted or Private IP?
What is the difference between Private and Public mode?
How do I set up Private Mode? How do I connect to my Raven X to my router or to Linux?
I disabled the DHCP server in my Raven X and now I cannot connect to it, how can I change it
back?
Security for the Raven X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 100
Does HSDPA provide any security?
If I change the password in my Raven X and forget it later, can I still access the modem?
Power, Antennas, and Signal Strength
RSSI (Received Signal Strength Indication) is a measurement of the strength or intensity, not nec-
essarily the quality, of the received signal.
The RSSI is measured in dBm which is the power ratio in decibel (dB) of the measured power ref-
erenced to one milliwatt (mW). One milliwatt is zero, therefore less than a milliwatt, common and
ideal for cellular communication, is expressed as a negative interger.
Caution: Solutions should only be performed if you are experiencing the specific
problem indicated and have the specific modem model number indicated. Some
solutions are very specific to model numbers due to differing internal hardware.
What is RSSI? Why is the RSSI for my Raven X negative?
Zobrazit stránku 99
1 2 ... 95 96 97 98 99 100 101 102 103 104 105 106 107

Komentáře k této Příručce

Žádné komentáře