10 — ONT technical specifications
Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06 July 2008 10-19
3FE 51892 AAAA TCZZA Edition 01 ONT Product Information Manual
Notes
(1)
It is the responsibility of the customer installation crew to ensure proper on-site layout of video distribution by verifying
that the output power at the end devices, such as the TV, VCR, and STB, is between 0 to 18 dBmV.
33 dBmV RF video receivers
Table 10-23 provides RF video interface specifications for MDUs with a 33 dBmV
receiver. The following MDUs support +33 dBmV receivers:
• GE LP MDU
• VDSL LP MDU
Table 10-23 RF video service specifications for ONTs with 33 dBmV receivers
Notes
(1)
It is the responsibility of the customer installation crew to ensure proper on-site layout of video distribution by verifying
that the output power at the end devices, such as the TV, VCR, and STB, is between 0 to 33 dBmV.
(2)
The transmitter and backbone segment is assumed to have a CSO greater than 62 dB for any channel load conditions.
Digital backoff QAM-64 10 dB (QAM-64) 10 dB (QAM-64) 10 dB (QAM-64)
PON input CNR (dB) 52 52 52
RF video features Channel mix 80 analog/33
digital
(1)
Channel mix 40 analog/63
digital
Channel mix 0 analog/135
digital
(2 of 2)
RF video features Channel mix 80 analog/33
digital
(1)
Channel mix 40 analog/63
digital
Channel mix 0 analog/135
digital
RF output level + 33 dBmV @ 450 MHz using
a per-analog channel
measurement
+ 33 dBmV @ 450 MHz using
a per-analog channel
measurement
+ 27 dBmV @ 450 MHz using
a per-digital channel
measurement
RF slope correction (tilt) 2 dB from 50 to 870 MHz 2 dB from 50 to 870 MHz 2 dB from 88 to 870 MHz
Optical power range (dB) + 1 to -6 dB +2 to -7 dB +1 to -9 dB
CNR (dB) 45 46 N/A
CSO/CTB (dB)
(2)
53 55 N/A
MER (dB) 32 32 32
QAM SNR (dB) 40 40 40
Measurement assumptions
Channel load 80 analog and 33 digital 40 analog and 63 digital 0 analog and 135 digital
Digital backoff QAM-256 6 dB (QAM-256) 6 dB (QAM-256) 6 dB (QAM-256)
Digital backoff QAM-64 10 dB (QAM-64) 10 dB (QAM-64) 10 dB (QAM-64)
PON input CNR (dB) 52 52 52