NCM-1550-EM30 (1550nm externally modulated optical transmitter) operating manual
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2.3
Test Condition
First stage
EDFA
First
paragraph
fiber length
Second
stage
EDFA
Second
paragraph
fiber length
RX
SBS
(dBm)
Tx/Rx
No
No
No
no
0dBm
13.5
Link 1
No
35km
no
no
0dBm
13.5
Link 2
16dBm
65km
no
no
0dBm
16
Link 3
13dBm
50km
13dBm
50km
0dBm
13.5
Rx with 8 pA/ÖHz input noise current density; EDFA with 5dB noise figure; RF input level at 80
dBμV / TV channel;
2.4
Technical Data Sheet
Item
Unit
Technical Parameters
RF range
MHz
47
～
1003
RF flatness
dB
+/-0.75
RF return loss
dB
>16
RF input impedance
Ω
75
RF input connector type
F type
Rated input level
dBµV
80
Input level range
dBµV
78~96 (AGC mode, modulating signal)
AGC control range
dB
+3
～
-3
MGC adjustable range
dB
0~15
Optical connector
SC/APC, FC/APC
Operating temperature
°C
-5
～
45
Storage temperature
°C
-30
～
+70
Power Source
Specification
V
90
～
265VAC
36
～
72VDC
Consumption
W
≤60
Dimension
mm
483(L)
×
455(W)
×
44(H)
Total Weight
kg
5.5
