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GZJ series is 1000MHz outside waterproof two-way optical node with four-port high level output, which with independent power supply port and there is -20dB downstream testing port in each shell. It adopts plug-in fixed attenuator and equalizer.
Technical specification
Item | Parameter | ||
Downstream | Automatic optical link adjustment range | -3~+2 (dBm) | |
Optical receiving power display range | -7~+2 (dBm) | ||
Nominal otpical wavelength | 1290~1600(nm) | ||
Frequency range | 87~862(MHz) | ||
Flatness | ±0.75dB | ||
RF output signal level | Max output 116 dBuV(-1 dBm receiving, no AGC) Max output 112 dBuV(within AGC range) 104 dBuV(-7 dBm receiving) | ||
C/CTB | >65dB | ||
C/CSO | >62dB | ||
Return loss | ≥16 dB(87~550 MHz) ≥14 dB(550~860 MHz) | ||
Upstream | Output optical power | 1mW~3 mW | |
Nominal wavelength | 1310nm | ||
Frequency range | 5~65MHz | ||
Flatness | ±0.75dB | ||
Return loss | ≥16 dB | ||
Nominal input level | 82 dBuV | With three-state switch | |
70 dBuV | With upstream pre-amplifier | ||
Whole machine | Optical connector type | FC/ APC | |
Output impedance | 75Ω | ||
Power supply range | AC 35V~70V or DC 35V~70V | ||
Max. feed current | AC10A | ||
Working temperature | -25°C~55°C | ||
Relative humidity | 10%~90% non-condensing | ||
Weight | 10kg | ||
Dimension | L 372mm×W 227mm×H 190mm | ||
Optical Node GZJ series