870MHz 2-port Outdoor Optical Node SGJ-SM(a)-B
SGJ-SM(a)-B
870MHz 2-port Outdoor Optical Node SGJ-SM(a)-B
SGJ-SM(a)-B
  • Model
    SGJ-SM(a)-B
  • Brand
    Seehai
  • Price
    Call
  • Description

    82-870MHz forward bandwidth.

    4 ports of output level (106 dBμV min.@870MHz). Or 2 ports of high output level.

    Modular design, can set up 2 optical receivers and 1 return optical transmitter module,1 optical receiver and 2 return optical transmitter modules,or 1 optical receiver and 1 return optical transmitter module.

Quantity :
Describe Product

Excellent photovoltaic conversion device, stable and reliable performance.

Good specification, meet newest requirements of two-way broadband networks.

10 Ampere Power Passing.

Lighting arrester for each input and output interfaces.

Aluminum die casting housing, plug-in shielded frame, surface by powder coating, elegant and firm appearance, corrosion prevention.

Specifications

Specification

Characteristics

Unit

Value/Performance

FORWARD PATH

RF Parameters

Operating Bandwidth

MHz

82 – 870, or higher

Flatness

dB

≤ ± 0.75

Output Level @ 870 MHz

dBmV

≥ 50 @ 13.5 dB slope

RF Amplifier Technology

-

2 * CATV GaAs or GaN Power-Doubling Hybrid Amp. Modules with brand name from G7/EU countries

RF Return Loss

dB

≥ 16

RF Impedance

Ω

75

Test point

dB

-20 ± 1

Output Port

-

5/8-24 Female

Gain Control Range

dB

0 ~ 20,

Slope

dB

0 ~ 15

Optical Parameters (support 2 receiver modules, 1 as main and 1 as redundant, on field pluggable, with RF auto switch)

Receiver Type

-

InGaAs PIN Photodiode (brand name from G7/EU countries) + CATV GaAs or GaN Push-Pull Hybrid Amp. Module (brand name from G7/EU countries); or Optical Receiver Hybrid Module + MMIC (brand name from G7/EU countries)

Optical Wavelength 

nm

1290 ~ 1600, or larger

Optical Return Loss

dB

≥ 45

Input Power

dBm

-4 to + 2, or larger

Connector

-

SC/APC (ferrule material: ceramic)

Link Performance

10 Km fiber cable, Input Level: 20 dBmV/analog channel (77 NTSC / 60 PAL analog channel) + 320 MHz digital channels

-

C/N ≥ 52 dB (@ 0 dBm optical input)

C/N ≥ 51 dB (@ -1 dBm optical input)

C/N ≥ 50 dB (@ -2 dBm optical input)

CSO ≥ 63 dB, CTB ≥ 63 dB

RETURN PATH (can support 2 transmitter modules for ONU segmentation purpose, on field pluggable)

RF Amplifier Technology

-

1 * CATV Return path Hybrid Amplifier Module (brand name from G7/EU countries), per Optical TX Module

RF Bandwidth

MHz

 5 – 65

RF Return Loss

dB

≥ 16

Optical wavelength 

nm

1310±10 or 1550±10, specify when ordering

Laser Type

-

Uncooled DFB Laser with isolator, brand name from G7/EU countries

Optical Return Loss

dB

≥ 45

RF Flatness

dB

≤ ± 0.75

Connector

-

SC/APC (ferrule material: ceramic)

Input Level

dBmV

15 to 25, or larger

Output Power

mW

0.5, 1.6 or 2, specify when ordering

Return Link Performance (15 dBmV full range or 2 video channels, 25 dBmV/ch) 

NPR

dB

≥ 44

Dynamic Scope

dB

≥ 24

Others

Operational Temp.

°C

0 to +60 or larger

Storage Temp.

°C

0 to +70 or larger

Power Supply

V

40 to 90 VAC , 50/60 Hz, or larger

Current Passing (withstand)

A

≥ 10

* Each RF In/Out port can be divided into 2 separated In/Out ports with additional plug-in Splitters and Diplex Filters.

* Lightning Arrestors at all RF In/Out ports.

* RF Amp. Platform, Forward Receiver and Return Transmitter Modules: On field Pluggable.

 

Install sizeUnitmm

SGJ-SMa-B_V1.1_870M_02_1

 

 

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