UHP-1100 SATELLITE ROUTER BOARD
GENERAL DESCRIPTION AND INSTALLATION GUIDE, v3.2
© UHP Networks Inc. 2015
16
www.uhp.net
Symptoms
Possible reasons
Actions
Low signal to noise level
Check C/N in demodulator’s statistics.
Verify if antenna is properly pointed to the satellite
and there no obstacles in the direction to the
satellite.
Check the integrity of the film of antenna’s feed
horn and absence of moisture in it.
Low Rx carrier level
Interferences
Check Eb/No in demodulator’s statistics.
Contact Hub administrator and investigate if the
carrier is properly transmitting and local weather
conditions not attenuate the signal
Station is not
transmitting
(Reception is normal:
LOCK indicator is
lighting, but TX
indicator is off)
Wrong network setting
Check Tx frequency and symbol rate of the
modulator. Make sure that transmission is enabled
Transmission of the terminal is not
allowed by Hub (only for TDM/TDMA
terminal)
Contact Hub administrator
Station is not
transmitting
(Reception is normal:
LOCK indicator is
lighting, TX indicator
is blinking, but
transmission is not
received by
Hub/opposite station)
IF Tx cable failure
Check Tx cable and make sure that its connectors
are properly connected to the BUC and the router.
BUC is not powered
Check if BUC power is switched on
Disconnect Tx IF cable from BUC and make sure that
24 VDC is available on the connector.
BUC failure
Replace the BUC on the spare one
Other symptoms
Other reasons
Contact your dealer or service center
In many cases, reinstalling system software allows to restore a satellite router functionality, which may need reset
to the factory default configuration.
If the recovery of software cannot be implemented successfully, or if this operation does not eliminate the defect,
it is necessary to illuminate the faulty device and replace it by new device.
4.1
Replacement of modules
4.1.1
Common recommendations
Repair of satellite router is carried out by replacing defective units (PSU or a router) or the whole product.
Replacement must be carried out only on original and compatible units, supplied by the manufacturer. After
replacing the power supply the router is immediately ready for further operation. In case of a satellite router
replacement it has to be reconfigured to the network parameters in accordance with Section 2.2.
4.1.2
Safety instructions
Repair by replacing blocks of satellite router must be carried out by qualified personnel only and with powered off
device only.
4.2
Resetting to default settings
To reset user settings you can make use of a special restart procedure. Press RESET button four times with 2
seconds intervals.
