EQUIPMENT MANUAL FOR SP-2110
SP-2110 QE
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Page 30
ENU Status : 1-3-1
5 SYSTEM MAINTENANCE
The SP-2110 repeater is designed for trouble free operation and generally does not need
maintenance. Maintenance activities should only be carried out by trained personnel.
During operation, if the LED “ALARM” is generated ON, first check the AC power cable and verify AC
mains supply is normal. Then disconnect the DT signals, if it is still alarming, cut and reconnect the
power supply and recheck as above. In this way, if the “ALARM” is still ON and the signal coverage is
unavailable, contact Comba Telecom System.
Periodic inspection of the repeater equipment(s) is recommended, the recommended tasks includes:
z Measurement of the return loss of the feeder system
z Verify the direction and position of antennas. Re-align if necessary.
z Make sure the cable gland and sealing on the RF cable connectors are not damaged.
z Inspect and record operation status, the diagnostic LEDs and the dial switches.
z Verify the actual coverage effects are as good as expected
z Verify lightning and grounding protection is in good condition.
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