| Optical Parameters |
| Laser
type |
1550
nm DFB LD |
| Optical
wavelength |
1550
+/- 10 nm or ITU grid |
| Laser RIN
noise density |
<
-160 dB/Hz |
| Optical connector |
SC / APC with shutter, FC/APC or
E2000/APC (optional)
|
| Optical
power |
>
7 dBm or > 9 dBm |
| Optical
output ports |
2 |
| Adjustable
SBS suppression threshold (13, 16, 18 dBm) |
Adjustable
(option)
Or a specific SBS threshold value |
|
| RF
Parameter |
| Operating
bandwidth |
45 to 870 MHz |
| Channel
loading |
45 to 550 MHz for 77 ch NTSC (or 60 ch PAL) |
| RF
input impedance |
75 ohm (unbalanced) |
| RF
input return loss |
< -16 dB |
| RF
connector |
F type female |
| RF input level (analog) @ Broadcast port |
15 to 25 dBmV/ch with AGC control, OMI/ch =
3 +/- 0.25 %. Nominal value @ 20 dBmV/ch (@ 77 channels loading) with
MGC |
| RF
input level |
45
dBmV/ch, OMI/ch = 1.5 +/- 0.3 % @Narrowcast port |
| Flatness |
+/-
0.75 dB (45 to 870 MHz) |
| Test point |
+15
+/- 1dBmV/ch (under AGC mode
@ 77 channels loading) |
|
| Link
Performance (Typical) |
| 65
km fiber + EDFA (NF<5) |
Test conditions:
- Room temperature: 25 +/-5 degree C
- Optical received power = 0 dBm
- 77 CW carriers (NTSC frequency planning)
- SBS threshold = 16 dBm
|
| CNR 52 dB |
CSO
< -65 dBc @Port 1
< -63 dBc @Port 2 |
| CTB
< -65 dBc |
| XM
< -65 dBc |
|
| Electrical/Environmental/Mechanical |
| Control
interface |
RS485
OR SNMP |
| Operating temperature |
O
to 50 degree C |
| Storage
temperature |
-20
to 60 degree C |
| Operating
humidity |
85
% Max |
| Power
supply |
90
to 260 VAC, 50/60 Hz, 15 W (Max.) |
| Dimensions |
447D
x 485W x 45H(mm)
RS485 with single AC: 350 D x 485 W x 45 H (mm) |
| Weight |
<
6.5 kg |