User's Manual

JUNI JF43-E1900/CFN03
CDMA FIBER FED REPEATER OPERATIONS MANUAL
Version 1.17 ⓒ J
uni America Inc. Page 78 of 88
Low
temp
When temp is
lower than lower
limit
- Check temperature
and limit
- Inspect the reason of
temp decrease
Over Power
Alarm:
>46dBm±0.5dB
Shutdown:
>47dBm±0.5dB
- Check input level
- Check output level
Over Temp
Alarm: 80to85°C
Shutdown:
>85°C
Auto recovery:
<75°C
- Check temp
- Check Fan
- Check LPA output
power level
VSWR
Alarm: <10dB
(return loss)
Shutdown: <6dB
(@output power
30to47dBm)
- Check cables after
LPA
- Check duplex filter
- Check antenna
- Change LPA
Send back to Juni for
repair if problem
continues
DC Fai l
≤ 19.5V DC or
≥ 30.5V DC
- Check DC power
Link Fail
No
communication
with RSM
- Check Data Cable
- Check connector
PA
PA on/off @LPA power off - Change LPA
Send back to Juni for
Repair
Hi Power
When output
power is higher
than upper limit
- Check output power
level
- Check setting limit
Forward
Output
Power
Lo Power
When output
power is lower
than lower limit
- Check output power
level
- Check setting limit
[Table 5.4] Remote Unit Trouble Shooting Guide