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OPTICAL WORKSTATION(Optical Receiver)
PTR3225A optical workstation is a high performance node specially designed for metro CATV network. FP, DFB or CWDM return path offerings meet different requirements of the customer applications. It can hold two redundant optical receiver modules, two redundant return path transmitter modules, one RF or IP status monitor transponder and one power supply module. PTR3224A optical node has four active RF ports and the RF level of each port can be up to 112dBuV.
Features
Optical receiver
Amplifier and Power supply in a detachable module
1000M RF platform
Four active output ports for RF signal out
Output level up to 108dBuV@-1dBm
Two optical receiver modules (redundant)
Two optical transmitter modules (redundant)
FP, DFB or CWDM return path offerings
Single power module with 60VAC or 220VAC option
HMS compliant status monitor transponder
Suppression of ingress noise with ingress-switch.
Specifications
Optical receiver
Description | Unit | Value | Conditions / Notes | |
Optical Specifications (Forward Path) | ||||
Wavelength | nm | 1100~1600 | ||
Optical Power Input Range | dBm | -7~+2 | ||
Optical Input Power Test Point | V/mW | 1 | ||
Responsivity | A/W | 0.85/0.95 | 1310nm/1550nm | |
Noise | pA/Hz | <8 | ||
Optical Input Return Loss | dB | ≥45 | ||
RF Specifications (Forward Path) | ||||
Bandwidth | MHz | 45~1000 | Without diplex | |
Flatness | dB | ≤±0.75 | ||
Nominal Slope | dB | 0~1 | ||
Nominal RF Output Level | dBμV | 4*108 | @1000MHz, 4% OMI, -1dBm input, 4% OMI | |
RF Output Level Test Point | dB | -20±1.5 | Relate to RF output port | |
Return Loss | dB | 16 | 45~550MHz | |
14 | 550~870MHz | |||
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, 108dBuV output level at 870MHz with 12 dB slope | |
CSO | dBc | ≥60 | ||
CTB | dBc | ≥65 | ||
Surge Compliance | V/A | 6000/3000 | 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 | ≤±1.5 | ||||||
Return Loss | dB | ≥14 | ||||||
Dynamic Range of NPR | dB | >12 | @33dB | |||||
Nominal RF Input Level | dBuV | 73±5 | From RF output ports | |||||
RF Input Test Point Level | dB | -20±1.5 | Relative to RF input ports | |||||
Laser Modulation Level Test Point | dBmV | 0±1.0 | 8% OMI at room temperature | |||||
Power Supply | |||
Input Voltage Range | VAC | 40~95 | For 60VAC power supply |
90~265 | For 220VAC power supply | ||
Power consumption | W | <100 | |
CATV Fiber Optical Workstation