019 optical relay station

FEATURES: 1. This unit, with optical receiving and forward transmitting function, is good solution to transmit and relay signal without equipments room 2. With two outputs, more than 104dBuv, which can drive around 200 users directly 3. Adding reverse function to meet the configuring request of HFC bidirectional transmission system 4. With DFB laser at the forward optical transmitting module 5. Laser status indicator to send alarm when unusual power break 6. Laser input RF level test; over-high RF level protection 7. Reverse transmitting module laser FP or DFB available for users to choose 8. High-performance and high-reliability switch power supply, with large designed allowance when overvoltage and overheat 9. Waterproof aluminum-cast shell, with good heat loss TECHNICAL PARAMETERS: Items Units Parameters Receiving devices Frequency range MHz 47-750/870 Optical input power dBm -4+2 Optical receiving wavelength nm 1290-1600 RF output level dBuv ≥104 Flatness in band dB ±0.5 RF return loss dB (47-550 MHz ≥16)( 550-870MHz ≥14) Channels 84PAL-D C/N dB 51 C/CSO dB 61 C/CTB dB 65 Optical transmitting devices Optical wavelength nm 1310±20 RF local input(TP) dB 83-88 C/N dB 51 C/CSO dB 61 C/CTB dB 65 Optical connector FC/APC or SC/APC Voltage 60VAC or 220VAC