12
LUMA X
3/2022
amplitude
adjust
tuning procedure (contact Hydromea for assistance if
required).
Keep-alive
packets
On
Off
When on, the modem will send short packets every 1-2
seconds, which helps to maintain optimal gain settings. When
off, the modem will not emit any light unless there is data
traffic, but there may be packet loss immediately after longer
pauses in data flow until the gain control can adjust.
Table 1: parameters within the web-based configuration UI
3.1.3
Status page
Figure 6: status page of the web-based configuration-UI
This page provides information about the current status of the LUMA modem and is updated
once every second. All information provided refers to the last one-second-window.
Temperature LUMA
Temperature (in degree Celsius) of the optical transceiver. When it
reaches 55°C the modem will automatically reduce the power to the
transmitter LEDs until the temperature has dropped to 50°C
Throughput received
(kbps)
Average data rate for data received
Packets CRC errors
Number of packets discarded in last second due to CRC error
(indicator for the stability of the link)
Packets received
Number of error-free packets received within the last second
Packets lost
Number of packets lost within last second between successfully
received packets.
Note: if no packet is successfully received, lost packets cannot be
tracked.
Table 2: modem and link information provided by the web-based configuration UI
