Plessey EasyReach, Руководство пользователя

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EasyReach User Manual TROUBLESHOOTING
1H90941 17
Status Indicators
POWER LED Not Green
If the POWER LED is not green when the SUPPLY switch is on, the problem
may be one of the following:
•
The power supply to the unit has failed or there is a faulty connection.
Check the connections. Check the unit power supply. For DC versions of
EasyReach , it should be between 20 and 60 volts DC. Ensure that the
polarisation is correct. For AC versions of EasyReach , it should be
between 110 and 250 volts AC.
•
The power fuse on the EasyReach board has blown, caused by:
Incorrect fuse rating. Check the rating and replace.
Fault in the EasyReach power supply.
FAIL LED is Red
This indicates a power or system fail:
•
Internal fault with the unit. Return for repair.
DATA LED is Red
The DATA LED is red when:
•
The EasyReach unit cannot detect data on the DATA port.
•
The EasyReach unit detects bipolar code violations on the DATA port.
Check the DATA connection and verify the integrity of the incoming E1 or T1
data.
RF SIGNAL LED is Red
The RF SIGNAL is red when the EasyReach unit is not receiving an RF signal of
sufficient strength from the other end of the link to acquire reliable data.
Firstly, check that the unit at the other end of the link is switched on.
If the RF SIGNAL indicator at the other end of the link is also red or intermittently
red, then the problem may be one of the following:
•
Incorrect use of EasyReach frequency variants. Refer to page 11 for
details of the available frequency options.
•
One of the EasyReach units has been configured incorrectly.
Restart both units, and ensure that both radio units have the same