Table 1 provides additional information about the LEDs and what they indicate.
Startup LED test
Immediately after power-up or a reset, all LEDs are lit for 1 sec
while the terminal performs a self-test.
Normal operation
When the terminal is powered on and transmitting or receiving
data, the LEDs should appear as follows:
• LAN, Transmit (HN7000S) or Transmit/WAN (HN7700S),
and Receive (HN7000S) or Receive/PPP-IP (HN7700S)
LEDs – Mostly on, but blinking intermittently as the terminal
receives and transmits data.
• System LED – On, indicating that the terminal has
established communication with the NOC. On an HN7700S,
this LED blinks steadily when the HN7700S is connected
through VADB.
• Power LED – On.
Fatal error indication
After the self-test, if the Power LED is off and one or more of the
other LEDs is flashing, the terminal could have a fatal error and
may have to be replaced. See Fatal error indication on page 57. If
the Power LED is flashing but no other LED is flashing, this does
not indicate a problem. (See Table 1.)
Power LED flashing
If the Power LED flashes, the terminal is operating with a backup
version of software named fallback.bin. This usually happens
when the terminal is first installed. The terminal operates with
fallback.bin until the primary version of software,
main.bin, successfully downloads over the satellite link.
Weather and signal strength
Rain or snow can interfere with signal strength. If the interference
is strong enough, the remote terminal may stop receiving signals
from the satellite and stop transmitting. If this happens, the
Transmit (HN7000S) or Transmit/WAN (HN7700S), and Receive
(HN7000S) or Receive/PPP-IP (HN7700S) and LEDs both turn off.
Antenna reception may be degraded by heavy rain or snow or by a
buildup of moisture, snow, or ice on the antenna. Similar
conditions at the NOC can interfere with signals for brief periods
of time. Signal strength is restored when rain or snow subsides.
Checking the power supply
If the LEDs do not function properly as described in this chapter,
check the sticker on the power supply and verify that you have the
correct power supply.
For an AC/DC power supply, the Hughes part number on the
power supply should be one of the following:
1031105-0001
1500089-0001
1500081-0001 (HN7000S only; United States
and Canada only)
A DC/DC power supply should have the following Hughes part
number:
1033554-0001
If your power supply has any other part number, contact
Customer Care.
