PTR3502S is a two way receiver, cost-effective optical node specially designed for volume utilization of FTTB/FTTLA application
CATV Optical node
PTR3502S optical node is a two way, cost-effective optical node specially designed for volume utilization of FTTB/FTTLA application. FP, DFB & CWDM return path offerings and replaceable modular power supply are available. The design supports an easy-to-use fiber-management system and easy-accessible external optical input port and RF output port for operations.
Features
l 870MHz/1 GHz bandwidth of CATV system
l Two passive outputs for RF signal out
l Output level up to 108dBuV with optical AGC for 2 RF output ports
l One optical transmitter module
l FP, DFB or CWDM return path offerings
l Single power module with 60VAC or 220VAC option
l HMS compliant status monitor transponder
l High precision AGC function controlled by CPU
Specifications
Description | Unit | Value | Conditions / Notes | |
Optical Specifications (Forward Path) | ||||
Wavelength | nm | 1100~1600 | ||
Optical Power Input Range | dBm | -7~+2 | ||
Optical AGC Range | dBm | -5~0 | ||
Optical Input Power Test Point | V/mW | 1 | ||
Optical Input Return Loss | dB | ≥45 | ||
RF Specifications (Forward Path) | ||||
Bandwidth | MHz | 45~870 | Without diplex | |
Flatness | dB | ≤±0.75 | ||
Nominal Slope | dB | 0~1 | ||
Nominal RF Output Level | dBμV | 1*108 | @870MHz, 4% OMI, -5~0 dBm optical input with AGC | |
2*104 | ||||
RF Output Level Test Point | dB | -20±1.5 | Relate to RF output port | |
Return Loss | dB | ≥14 | ||
Impedance | Ohm | 75 | ||
CNR | dB | ≥51 | 59 PAL CW carrier, 1310nm transmitter, 4.0% OMI, 10km optical fiber plus attenuator, -1 dBm optical input power, 108 dBuV output level at 870MHz with 8 dB slope with optical AGC | |
CSO | dBc | ≥60 | ||
CTB | dBc | ≥65 | ||
Surge Compliance | V/A | 5000 | Surge (1.2/50us), IEEE62.41 and IEC 61000-4-5 | |
Optical Specifications (Return Path) | ||||
Laser Type | FP, DFB, CWDM | |||
FP Laser | Wavelength | nm | 1310±20 | |
Output Power | dBm | -3±0.5 | ||
0±0.5 | ||||
3±0.5 | ||||
DFB Laser | Wavelength | nm | 1310±20 | |
1550±20 | ||||
Output Power | dBm | -3±0.5 | ||
0±0.5 | ||||
3±0.5 | ||||
CWDM Laser | Wavelength | nm | 1471, 1491, 1511, 1531, 1551, 1571, 1591, 1611 | ITU-T G.694.2 |
Output Power | dBm | 3±0.5 | ||
Optical Return Loss | dB | ≥40 | ||
Optical Output Power Test Point | V/mW | 1 | ||
RF Specifications (Return Path) | |||
Bandwidth | MHz | 5~200 | |
Flatness | dB | ±0.75 | |
Return Loss | dB | ≥16 | |
Dynamic Range of NPR | dB | >12 | @33dB |
Nominal RF Input Level | dBuV | 75 | From RF output ports |
RF Input Test Point Level | dB | -20±1.5 | Relative to RF input ports |
Power Supply | |||
Input Voltage Range | VAC | 40~95 | For 60VAC power supply |
90~265 | For 220VAC power supply | ||
Power consumption | W | <50 | |
Environmental Parameters | |||
Operating Temperature | °C | -25~60 | |
Storage Temperature | °C | -40~85 | |
Storage Humidity | RH% | ≤95 | No Condensation |
two way receiver
