OMNRK21310 - Optical mininode 5-65 MHz, 87-1006 MHz, 2 x 1310nm

Mini-optical node that acts as a bridge between coaxial technology and optical networks. Converts the optical signal (1200 nm-1600 nm) in the main network into a coaxial signal (87 MHz-1220 MHz) that arrives at the user's modem.
Thanks to the return channel transmitter in the 1310 nm window with 3 dBm optical power, the node also converts the signal from the coaxial modem (5 MHz - 65 MHz) into an optical signal for the operator's headend.
Uses two optical fibres: one for the forward channel and the other for the return channel.
Ideal for installations using the DOCSIS protocol for bi-directional distribution of data and the DVB-C standard for television signals.
Equipped with OLC technology.
Ideal for RF overlay and FTTB applications.

Highlights
- Using OLC (Optical Level Control) technology, the parameters are automatically set to achieve a constant output level regardless of the channel load.
- Equipped with attenuation control. Equipped with attenuation controls
- High output voltage (RF gain) and improved C/N
- Broadband optical reception
- Very low power consumption

Features
- DOCSIS compatible
Two operating modes:
1. CW (Continuous Wave), in this mode the laser transmits continuously; useful in applications where the return channel
is attenuated (FTTB).

2. RFoG (RF over Glass); in this mode the laser transmits only when packets to be transmitted are present; it is therefore recommended only for installations with minimal attenuation of the return channel (FTTH).

- Optical SC/APC connections and F connections for HF
- Local power supply

Specification
Forward channel
- Frequency range MHz 87 ... 1220
- Output impedance Ohm 75
- OLC input level dBm -8 ... +1dBm
- Ripple dB ± 1
- Outputs 1
- Output level OLC activated, output 1 dBμV 93
- CNR dB >52
- CSO dB >60
- CTB dB >60
- Noise equivalent input value pA/ Hz < 6
- Equaliser interstage dB 6/12 select.
- Pre-emphasis dB 3 - Pre-emphasis dB 3 - Interstage dB 6/12 select. Pre-emphasis dB 3
- Wavelength nm 1200 - 1600
- Opt. return loss dB >40
- Opt. connection type SC/APC
- Max. optical power dBm 2
- Optical device type InGaAs pin photodiode
Return channel
- Frequency range (selectable) MHz 5 ... 65
- Input impedance Ohm 75
- Opt. output level dBm 3
- Ripple dB ± 1
- RF input level dBμV 70...100
- RF level control dB 0/10/20 select.
- Wavelength nm Wavelength nm 1310 ±20
- Opt. connection type SC/APC
- Laser type type DFB (Class1M)
- Transmitter ON/OFF time μs 1
General
- Voltage supply V~/mA 99 / 75 ... 253 / 40
- Max. Power consumption W 4
- Test socket dB -30 ±1
- HF connections type F
- Housing material Zamak/ABS
- Operating temperature ºC -5 .... +45
- Protection class IP 30
- EMC compatibility EN 50083-2
- Safety EN 60825-1_2007

Physical data
- Net weight: 504 g
- Gross weight: 557 g
- Width: 187 mm
- Height: 89 mm
- Depth: 34 mm
- Main product weight: 504 g