Specifications

FibeAir 4800 Installation and Operation Guide Chapter 5 Diagnostics and Troubleshooting
FibeAir 4800 Installation and Operation Guide 5-7
Table 5-1. Explanation of performance data
Data type Reported value Explanation
UAS – Unavailable
Seconds
Seconds in which the
interface was out of
service.
ES – Error Second The number of seconds in
which there was at least
an error block. Note that
notation of an error block
is different per interface.
SES – Severe Error Second The number of seconds in
which the service quality is
low (the actual BBER ratio
varies per interface).
BBE – Background Block
Error
The number of error block
in an interval.
Generic PM Data
Integrity A flag indicating that the
data is valid. Note that the
PM data is not valid if not
all the values were stored
2
.
Max RSL The maximum of the
receive signal level
(measured in dBm).
Min RSL The minimum of the
receive signal level
(measured in dBm).
Max TSL The maximum of the
transmit signal level
(measured in dBm)
3
.
Min TSL The minimum of the
transmit signal level
(measured in dBm).
RSL Threshold 1 This parameter counts the
number of seconds in
which the RSL is below
the specified threshold.
Air Interface PM Data
RSL Threshold 2 This parameter counts the
number of seconds in
which the RSL is below
the specified threshold.
2
Possible reasons are: Clock changes within the interval and Power up reset
3
The transmit power is fixed. The value can be changed only by user
configuration