|
Item |
Unit |
Performance Parameters |
|
Forward Optical Receive Part |
|
Optical Parameters |
|
Optical AGC control range |
dBm |
-8 ~ +2 |
|
Optical Return Loss |
dB |
>45 |
|
Optical Receiving Wavelength |
nm |
1100 ~ 1600 |
|
|
— |
FC/APC, SC/APC or specified by the user |
|
Optical Fiber Type |
— |
Single mode |
|
Link Performance |
|
C/N |
dB |
≥ 51 |
EQ 8dB |
|
C/CTB |
dB |
≥ 65 |
|
C/CSO |
dB |
≥ 60 |
|
RF Parameters |
|
Frequency Range |
MHz |
45/87 ~1003 |
|
Flatness in Band |
dB |
±0.75 |
|
Rated Output Level |
dBμV |
≥ 106 (Four-way splitter output);
≥ 110 (Two-way independent output) |
|
Max Output Level |
dBμV |
≥ 112 |
|
Output Return Loss |
dB |
(85 ~550MHz) ≥16 / (550~1000MHz) ≥14 |
|
Redundant Receiver Isolation |
dB |
≥75 |
|
Output Impedance |
Ω |
75 |
|
Electrical control EQ range |
dB |
0~15 (1dB stepping) |
|
Electrical control ATT range |
dB |
0~20 (1dB stepping) |
|
Reverse Optical Transmit Part |
|
Optical Parameters |
|
Optical Transmit Wavelength |
nm |
1310±10, 1550±10 or specified by the user |
|
Laser Type |
— |
DFB or FP laser |
|
Output Optical Power |
mW |
1 |
|
Optical Connector Type |
— |
FC/APC, SC/APC or specified by the user |
|
RF Parameters |
|
Frequency Range |
MHz |
5 ~ 65 (or specified by the user) |
|
Flatness in Band |
dB |
±0.75 |
|
Input Level |
dBμV |
72~ 85 |
|
Input Return Loss |
dB |
≥16 |
|
|
dB |
≥60 |
|
Input Impedance |
Ω |
75 |
|
NPR dynamic range |
dB |
≥15 (NPR≥30 dB)
Use DFB laser |
≥10 (NPR≥30 dB)
Use FP laser |
RF Parameters of C-CMTS Interface |
|
CMTS_DS
Level of Forward Insert Port |
dBμV |
≥102 |
|
CMTS_US
Gain of Reverse Output Port |
dB |
0±1 |
Port ~ CMTS_US output |
|
Isolation (forward to CMTS_US reverse output port) |
dB |
≥70 |
|
General Performance |
|
Power Voltage |
V |
A: AC (150~265)V; B: AC (35~90)V |
|
|
A |
10 |
|
Operating Temperature |
℃ |
-40~+60 |
|
Storage Temperature |
℃ |
-40~+70 |
|
Relative Humidity |
% |
Max 95% no condensation |
|
Consumption |
VA |
≤ 70 |
|
Dimension |
mm |
360 (L)×330 (W)×155 (H) |
