Products > Telecommunication > Equipment > HFC(Hybrid Fiber Coaxial)

  • ONU(Optical Node Unit)_Type I

    ONU(광 노드 유닛)_타입 I

    ∙ The model TFO-ONU-C-1003A optical node is TFO’s latest generation 1GHz CATV optical Node Platform. TFO-ONU-C-1003A provide new electronics pack ,lid motherboard , broadcast receiver and dual channel narrowcast receiver, to provide the latest in segmentation technology. The TFO-ONU-C-1003A Optical node provides a fully 2×2 forward and reverse segmentable, scalable, upgradable node designed to meet the needs of rapidly evolving broadband networks. The TFO-ONU-C-1003A node is ideal for those situations where reliability and flexibility will be designed into the current CATV/HFC network by using many variable architecture with running deep into the fiber optical network.

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Features

  • - 1003MHz platforms with GaAs performance
  • - Forward path receivers and return path transmitters with the performance to handle full 2×2 Forward and reverse segmentation
  • - 1310 and 1550nm operation
  • - Forward and reverse redundancy capability
  • - Digital return technology with TDM multiplexing and multiple wavelength Options allowing Passive hub multiplexing
  • - Suitable for NTSC,CENELEC and PAL
  • - Simple Plug-and-play operation
  • - 15A Power Passing
  • - NMS (Network management system) optional
  • - Four High Power RF Outputs Port
  • - Two Dedicated AC input Port

Optical Specification

Classification TFO-ONU-C-1003A
Wavelength  1310±20nm or 1550nm±20nm 
Optical input Range  -3dBm to +0dBm 
Indicators (Voltage)  1V / mW 
Accuracy 1dB
Return Loss  ≥ 45 dB 
Connector SC/APC Type Standard, FC/APC Optional 
Housing Pass Band  5 to 1002 MHz 

RF Specification

Classification TFO-ONU-C-1003A_Forward TFO-ONU-C-1003A_Reverse
Bandwidth 54/88MHz ~ 1003MHz  5MHz ~ 42/65MHz
Frequency Response ± 0.75 dB ± 0.5 dB
Operation Gain(@870MHz) > 45 dB > 17 Flat dB
Reference Out Level@ (Optical Input –3dBm) 50 dBmV (870MHz)  19.5 (@42/65MHz) dBmV
Operation Slope @MHz / dB  870/13.5, 550/9, 54/0 -
Attenuation by pads (level adjust) Plug-in type 0-20 dB(1.0dB Step)  Plug-in Type 0-20dB(1.0dB Step)
Equalizer by pads Plug-in type -3 to 20 dB(1.5dB Step) Adjustable 0-8dB
CTB (Composite Triple Beat)  < -65 dBc (125dB㎶) typical -
CSO (Second Oder Beat)  < -63 dBc (123dB㎶) typical -
X-MOD (Cross Modulation) < -63 dBc (123dB㎶) -
CIN (Carrier-to-Intermodulation Noise) 52 dBc -
HUM-MOD@15A < -65 dBc (125dB㎶) < -60 dBc (120dB㎶)
Noise Figure < 7 dB  < 6 dB
Return Loss < -16dB  < -16dB 
Test Point, all Accuracy (-20dB) ± 0.1 dB  ± 0.1 dB

Environmental Specification

Classification TFO-ONU-C-1003A
Operating Temperature Range -40 ~ +65 ℃ / -40 ~ +149º F
Storage Temperature Range  -40 ~ +70 ℃ / -40 ~ +158º F
Humidity Range 0 ~ 95 %

Power Requirement(with AGC)

Classification TFO-ONU-C-1003A
Line Power AC Input Voltage 60 ~ 90 VAC / 60Hz
Power Consumption 48 W (Thermal) / 52W (AGC)
DC Voltage  +24.0±0.25 V
AC Bypass current 15A
DC Current 600mA
AC Voltage, 60Hz ,@VAC/A @40/1.08A, @50/0.85A, @60/0.72, @70/0.64, @80/0.58, @90/0.53A

Mechnical Specification

Classification TFO-ONU-C-1003A
Weight 12.3kg (27.1lb)
Housing Dimension(mm (in)) 469(W) x 220(H) × 240(D)
(18.5(W) x 8.7(H) x 9.4(D))