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Outdoor Mini Optical Fiber Node

FN-3320G-RA1

  • 1006 MHz outdoor optical fiber node with 3 branch outputs
  • Forward path amplifier: low noise GaAs Push-Pull / Power-Double hybrid modules
  • Build-in ±2dB thermal compensation circuit
  • Plug-in module design for easy installation and maintenance:
  1. Optional reverse amplifier and transmitter module (with optical output level control) providing capability of advanced two-way data communication
  2. Optional diplexer modules with variety Reverse/Forward band split frequency:
    30/47 MHz, 42/54 MHz, 55/70 MHz, 65/84 MHz, 85/105 MHz
  • Optical input level indicators provided.

Optional Plug-in Module Selection

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Module Name  Model no. Description 
 Diplexer DPX-30/47G  5 ~ 30 MHz & 47 ~ 1006 MHz Split
  DPX-42/54G  5 ~ 42 MHz & 54 ~ 1006 MHz Split
  DPX-55/70G  5 ~ 55 MHz & 70 ~ 1006 MHz Split
  DPX-65/84G  5 ~ 65 MHz & 84 ~ 1006 MHz Split
  DPX-85/105G  5 ~ 85 MHz & 105 ~ 1006 MHz Split
FWD/ REV  ATT JA-0M ~ JA-19M  0 ~ 19 dB Attenuator
FWD I/S EQ JA-6M ~ JA-12M  Built in EQ platform + 6 ~ 12 dB Attenuator to control  slope value
REV EQ REQM-C30 + JA-0M ~ JA-9M  5 ~ 30 MHz REQ platform + 0 ~ 9 dB Attenuator to control  slope value
  REQM-C42 + JA-0M ~ JA-9M  5 ~ 42 MHz REQ platform + 0 ~ 9 dB Attenuator to control  slope value
  REQM-C55 + JA-0M ~ JA-9M  5 ~ 55 MHz REQ platform + 0 ~ 9 dB Attenuator to control  slope value
  REQM-C65 + JA-0M ~ JA-9M  5 ~ 65 MHz REQ platform + 0 ~ 9 dB Attenuator to control  slope value
  REQM-C85 + JA-0M ~ JA-9M  5 ~ 85 MHz REQ platform + 0 ~ 9 dB Attenuator to control  slope value
Output OTM-0  0 dB Jumper
  OTM-4/4  Splitter
  OTM-6/2  6 dB Tap off
  OTM-10/1  10 dB Tap off
Reverse Amplifier (Optional) RA1  5 ~ 100 MHz Reverse path Amplifier
Optical Transmitter ORT-3310DFB-1310  DFB type transmitter Optical wavelength 1310 nm/ 1 mW
(Optional) ORT-3310DFB-1550  DFB type transmitter Optical wavelength 1550 nm/ 1 mW
  ORT-3310DFB-C1550  CWDM DFB type transmitter Optical wavelength 1550 nm/ 1 mW
  ORT-3310DFB-C1570  CWDM DFB type transmitter Optical wavelength 1570 nm/ 1 mW
  ORT-3310DFB-C1590  CWDM DFB type transmitter Optical wavelength 1590 nm/ 1 mW
  ORT-3310DFB-C1610  CWDM DFB type transmitter Optical wavelength 1610 nm/ 1 mW
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Description Specification  
Dimensions ( L x W x H ) ; Net Weight 265 x 190 x 130 mm ; 3450 g  
Test Point (Forward Path, Reverse Path) -20 ± 1.0 dB  
Impedance 75 Ω  
Forward Path 1 Output 3 Balanced Outputs
Operating Gain @ 1006 MHz (with ALC, without ALC) 40 ± 0.5 dB 34 ± 0.5 dB
Frequency Response ± 0.75 dB ± 0.75 dB
Return Loss (Forward band split frequency ~ 1006 MHz) 14 dB 14 dB
Forward Path Output Level (*1)
(Forward band split frequency/ 550/ 1006 MHz)
38/ 46/ 52dBmV 32/ 40/ 46dBmV
Forward built-in Tilt (with Jumper_JA-0M) 2 ± 1 dB 2 ± 1 dB
Forward Tilt Range (with 6 ~ 12 dB Attenuator_JA-6M ~ 12M) 8 ~ 14 ± 1 dB 8 ~ 14 ± 1 dB
Channel Loading @79 analog chs+ digital chs –6dB lower than analog    
Composite Second Order (*2) (CSO) -65 typ.  -61 min.   (dBc) -65 typ.  -61 min.   (dBc)
Composite Triple Beat (*2) (CTB) -64 typ.  -61 min.   (dBc) -64 typ.  -61 min.   (dBc)
Cross Modulation (*2) (X-MOD) -66 typ.  -61 min.   (dBc) -66 typ.  -61 min.   (dBc)
HUM Modulation @12A < -65 dBc < -65 dBc
Noise Figure < 6.5 dB < 6.5 dB
C / N @0dBm optical input / @-5dBm optical input > 50 dB / > 45 dB > 50 dB / > 45 dB
(*1) FWD IN ATT. with 10dB attenuator_JA-10M and I/S EQ with 12dB attenuator_JA-12M when the optical input is 0dBm @3.8%OMI.
(*2) 0dBm optical input 3.8% modulation index
Reverse Path 1 Output 3 Balanced Outputs
Operating Gain 21 dB 15 dB
Frequency Response  ± 0.75 dB ± 0.75 dB
Return Loss 14 dB 14 dB
Output Level @6CH+35dBmVFlat / +25℃    
Composite Second Order (CSO) -77 typ.  -75 min.   (dBc) -77 typ.  -75 min.   (dBc)
Composite Triple Beat (CTB) -77 typ.  -75 min.   (dBc) -77 typ.  -75 min.   (dBc)
Cross Modulation (X-MOD) -77 typ.  -75 min.   (dBc) -77 typ.  -75 min.   (dBc)
HUM Modulation @12A -65 typ.  -63 min.   (dBc) -65 typ.  -63 min.   (dBc)
Noise Figure < 4.5 dB < 10.5 dB

Satellite / Terrestrial
dCSS
LNB
Headend System
SAT>IP
Digital Home Entertainment

Wireless Video Sender
Set Top Box
SoundBox
Soundbar