6 — ONT management using an ONT interface
Alcatel-Lucent 7330/7302 ISAM FTTN R04.02.42a March 2011 6-31
3FE 54199 AAAA TCZZA Edition 01 ONT Product Information Guide
Procedure 6-18 To view RSSI
1 Choose option 7, Retrieve optical level, from the Main menu. The current RSSI
measurement appears. For example:
ponOpticalSignalLevel = -40.727268 dBm
where ponOpticalSignalLevel (receive RSSI) is the recorded measurement of the ONT receive
optical signal level at 1490 nm in dBm. The range is −65.536 dBm to +65.538 dBm, where −65.536
means unknown and +65.538 means unsupported. The receive RSSI is zero when the ONT is not
connected to the GPON, or there is loss of connection with the GPON.
2 STOP. This procedure is complete.
Procedures using HTTP interface for Package C ONTs
Not applicable.
Procedures using CLI interface for Package C ONTs
Not applicable.
Procedures using butt set
Not applicable.
6.9 Checking status of LEDs
The ONT LEDs provide information related to the connectivity between the ONT
and the LT card. The LEDs can indicate a variety of issues, such as:
• ONT not powered
• equipment failed or not ranged
• higher-level problem in management software
Table 6-7 describes the ONT LEDs.
Note — The absolute accuracy of the optical signal reading is
+or− 3.0 dB. This should be taken into account when reading values.
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