Operating
manual
Rev.1.0
RLT
‐
1550
D10
11
(OMI)
of
laser
is
too
high.
This
is
when
the
peak
modulating
current
exceeds
the
d.c.
bias
current
level
above
threshold.
•
USB
and
LAN
‐
Port
for
local
&
Remote
Control
Interface
•
Built
‐
in
2
or
4
Way
Optical
splitter,
opt.
•
Redundancy
PSU:
2
x
230
V
‐
AC
opt.
or
1
x
230
V
‐
AC+1
x
48
V
‐
DC
opt.
•
Slim
1
Unit,
19”
Rack
4.2
INPUT
CATV
&
SAT
CATV
Frequency
range
47
‐
870
MHz
(option
47
‐
1.000
TV
only)
SAT
Frequency
range
950
‐
2700
MHz
RF
connectors
75
ohm
type
“F”
RF
Return
Loss
TV
=
>
16
dB
SAT
=
>
12
dB
Nominal
level
for
CATV
main
input
80
dbuV
/
typ.
72
minimum
Nominal
level
for
high
level
CATV
input
100
dbuV
/
CH
Nominal
level
for
SAT
input
level
92
dbuV
/
trasp.
typ,
90
minimum
Testpoint
1
main
CATV
input
input
level
‐
20
dB
Testpoint
2
laser
drive
level
80
dbuV
/
5%
OMI
Gain
mode
CATV
:
AGC
or
Manual
SAT:
Manual
Gain
adjustment
CATV
manual
+11/
‐
11
dB,
AGC
30
dB
Max
Slope
adjustment
CATV
‐
3
/
+15
dB
4.3
LASER
SPECIFICATION
DWDM
version
CWDM
version
Laser
type
DFB
Cooled
butterfly
DFB
uncooled
coaxial
Optical
wavelegth
ITU
grid
100
GHz,
channels
20
to
60
availables
(1.530
to
1.560
nm
approx)
1.550
+/
‐
4
nm
Laser
Output
power
From
+3
to
+10dBm
Power
stability
+/
‐
0.5
dB
+/
‐
1
dB
Optical
Power
Adjustement
0
to
‐
3
dB
Wavelength
fine
tuning
‐
100
to
+100
GHz,
50
GHz
steps
RIN
‐
155
db/Hz
worst
case
‐
150
db/Hz
worst
case
Optical
insulation
30
db
min
30
db
min
Optical
Return
Lossv
>
45
dB
>
40
dB
