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:

Optional reverse amplifier and transmitter module (with optical output level control) providing capability of advanced two-way data communication
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.

Features
Specifications

Optional Plug-in Module Selection

無標題文件

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

無標題文件

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