User Manual

Document name:
OMU Commands and Attributes 1.0.0 v1.0
Version:
1.0
11.11.4Upper
Not used.
11.11.5Lower
Defines the lowest acceptable optical level in dBm * 10 before an alarm is triggered.
For example, setting Lower alarm threshold to -20 means that if optical input level drops
below -2.0 dBm, an alarm is triggered.
11.12SZP – Synthesizer Pilot Tone Generator
11.12.1Description
When commissioning an Axell Wireless Repeater System it is essential that all fiber
optic links are optimized and RF-limits adjusted. To accomplish this, a pilot tone is
transmitted from Optical Master Unit to the Fiber Optic Slaves, and upon request by
Fiber Optic Slaves to Optical Master Unit. By transmitting with a known level, it is
possible to read out the path loss by monitoring the received pilot tone level.
To generate the correct pilot tone frequency, a synthesizer is used. If there is a failure
generating the correct pilot tone frequency, an Synthesizer Pilot Tone generator alarm is
generated.
11.12.2Threshold Usage
This is a digital measurement, i.e, upper and lower thresholds are ignored.
11.12.3Time
Time threshold configures how many seconds the synthesizer should be unlocked before
an alarm is triggered.
11.12.4Upper
Not used.
11.12.5Lower
Not used.
11.13TEM – Controller Temperature
11.13.1Description
In order to know that repeater works in an allowed temperature range, the controller
contains a temperature sensor that continuously is polled.
If temperature goes outside configured thresholds, an alarm is triggered.
11.13.2Threshold Usage
Both upper and lower temperature can be monitored.
11.13.3Time
Time threshold configures how many seconds the synthesizer should be unlocked before
an alarm is triggered.
11.13.4Upper
Defines above what temperature in Celsius * 10 that an alarm is triggered. For example,
by defining upper threshold as 650, an alarm is triggered if temperature exceeds 65.0
Celsius.
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