Ont Optical Budget - Alcatel-Lucent 7302 Information Manual

In the normal operating state, all the transmissions can be used for monitoring the
phase of the arriving transmission. Based on the monitoring transmission phase
information, the equalization delay can be updated.
3.14

ONT optical budget

This section provides the optical budget for all of the ONTs. Observe the safety
requirements with ONTs, which are Class 1 laser products. Figure
Class 1 laser product warning label attached to the ONT.
Table
Item
Operating temperature
Transmitting budgets
Tx nominal bit rate
Tx/Rx line code
Tx central wavelength
Tx reflection of equipment
Mask of Tx eye diagram
ORL of ODN at ONU Tx and Rx
Tx mean launched optical power for
the ONT
Tx launched optical power w/o input
Tx extinction ratio
(1 of 2)
Alcatel-Lucent 7302 ISAM | 7330 ISAM FTTN | 7360 ISAM FX ONT R04.06.02
3FE 55873 AAAA TCZZA Edition 01
ONT Product Information Guide
3 — ONT and MDU general and interface technical specifications
Figure 3-5 Class 1 laser product warning label
CLASS 1 LASER PRODUCT
Warning —
Operating equipment outside of its tested and
documented performance characteristics and causing an optical
overload may cause damage to equipment components, such as APD
receivers.
This can affect service delivery, and void any component or system
warranties.
3-16 lists ONT optical budget information.
Table 3-16 ONT optical budget
Detail
Ambient
—
Scrambled NRZ
Operating
temperature
At Tx wavelength
G.984 burst mode
More than
At ONT optical
port
No input
G.984 burst mode
Minimum Typical
See the data sheets for each device
— 1244 Mb/s
— —
1290 nm —
— —
— G.984
32 dB —
+0.5 dBm —
— Sensitivity –10
dB
10 dB —
November 2013
3-5 shows the
18256
Maximum
—
—
1330 nm
–6 dB
—
—
+5.0 dBm
—
—
3-27