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  • SSN2DCU.png
  • SSN2DCU.png
OSN3500 SSN2DCU Dispersion Compensation Plate
  • The functional versions of OSN3500 DCU single board are N1 and N2, the difference between the two versions lies in the difference of insertion loss and the difference of compensation amount, the DCU of N2 version has low insertion loss, which is 3~5dB less than the insertion loss of N1 DCU, the N1 version has two kinds of compensation amount, 60km and 80km, and the N2 version has three kinds of compensation amount, 40km, 60km and 80km.


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Huawei SDH Transmission Equipment OSN3500 SSN2DCU Technical Parameters Introduction

OSN3500 DCU单路


OSN3500 DCU 双路

OSN3500 SSN2DCU Single Board Functions and Features

The DCU single board supports dispersion compensation for up to two optical signals and can be used in conjunction with BA and PA single boards.

The specific functions and features of DCU single board are shown in Table 1.

Table 1 Functions and Features of DCU Single Board

Functions and FeaturesDescription
N1DCUN2DCU
Basic FunctionsSupports dispersion compensation for up to two optical signals simultaneously. The available dispersion compensation amount is 1020ps/nm (corresponding to the dispersion generated by 60km G.652 fiber) or 1360ps/nm (corresponding to the dispersion generated by 80km G.652 fiber), or any combination of the two.Supports dispersion compensation for up to two optical signals simultaneously. Dispersion compensation can be provided at 680ps/nm (for dispersion generated by 40km G.652 fiber), 1020ps/nm (for dispersion generated by 60km G.652 fiber), or 1360ps/nm (for dispersion generated by 80km G.652 fiber), or any combination of the three.
Dispersion CompensationChirped gratings are used to compensate for the dispersion in fiber optic transmission, compressing the pulse signal and restoring the optical signal.
Long distance optical relay transmissionUsed with optical power amplifier board BA and optical preamplifier board PA, it can realize long-distance optical relay transmission.

OSN3500 SSN2DCU Single Board Veneer Characterization Code

The veneer characteristic code is the code located after the veneer name in the veneer barcode, and the veneer characteristic code of DCU is used to describe the dispersion compensation of the optical signal.

The relationship between the DCU's veneer characteristic code and the amount of dispersion compensation is shown in Table 1.

Table 1 Relationship between the DCU's veneer characteristic code and the amount of dispersion compensation

VeneerCharacteristic codeDispersion compensation
SSN1DCU01SSN1DCU01Dispersion compensation for single circuit: 60km
SSN1DCU0202Dispersion compensation for single circuit: 80km
SSN1DCU0303Dual Dispersion Compensation: 60km/60km
SSN1DCU0404Dual Dispersion Compensation: 80km/80km
SSN1DCU0505Dual Dispersion Compensation: 60km/80km
SSN2DCU0160km/80km SSN2DCU01 01Single dispersion compensation: 40km
SSN2DCU0202Dispersion compensation for single circuit: 60km
SSN2DCU0303Dispersion compensation for single circuit: 80km
SSN2DCU0404Dual Dispersion Compensation: 40km/40km
SSN2DCU0505Dual Dispersion Compensation: 60km/60km
SSN2DCU0606Dual Dispersion Compensation: 80km/80km
SSN2DCU0707Dual Dispersion Compensation: 40km/60km
SSN2DCU0808Dual Dispersion Compensation: 40km/80km
SSN2DCU0909Dual Dispersion Compensation: 60km/80km

OSN3500 SSN2DCU Single Board Technical Specifications

DCU single board specifications include optical interface specifications, mechanical specifications and power consumption.

OSN3500 SSN2DCU single-board optical interface indicators

The optical interface metrics of the DCU single board are shown in Table 1.

Table 1 Optical interface indexes of DCU boards

ItemIndicator value
Nominal bit rate9953280kbit/s
Line code typeNRZ
Center wavelength (nm)1550.12±0.05
-0.5dB bandwidth (nm)>0.4
Dispersion compensation (ps/nm)

N1DCU: 1020 (60km), 1360 (80km)

N2DCU: 680 (40km), 1020 (60km), 1360 (80km)

Insertion Loss (dB)Insertion loss of N1DCU<8.3dB; Insertion loss of N2DCU <3dB

Mechanical indexes of OSN3500 SSN2DCU boards

The mechanical specifications of the DCU board are as follows:

  • Veneer size: 25.4mm (W) x 235.2mm (D) x 261.4mm (H)

  • Weight: 0.4kg

OSN3500 SSN2DCU single board power consumption

DCU veneer power consumption is 0W.



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Email:info@opticaltrans.com
Address:Cuiguang 1st Distriuct Buiding 8th, Shenzhen, Guangdong Province
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