GB/T 34081-2017 in English

VALID

Wavelength selective switch

Issued on:2017-07-31
Implemented on:2017-11-01
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $420.00
$408.00

Standard No:	GB/T 34081-2017
Document status:	VALID
Title in English:	Wavelength selective switch
Title in Chinese:	波长选择开关
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2017-07-31
Implemented on:	2017-11-01
ICS Classification:	33.180.20-Fiber optic interconnecting devices
Chinese Classification:	M33-Optical communication equipment
Professional Classification:	GB-National Standard
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《GB/T 34081-2017波长选择开关》由339-2（工业和信息化部（通信））归口，主管部门为工业和信息化部（通信）。

Introduction

Analysis of the core content of the standard

Technical dimensions	C-band indicators	L-band indicators	Test conditions
Operating wavelength range	1527-1568nm	1569-1608nm	Temperature -5℃~+65℃
Inherent insertion loss	≤8.5dB		Full channel test
Polarization dependent loss	≤1.0dB (0-10dB attenuation)		Random polarization state

Key technical requirements

The standard specifies three core functions of wavelength selective switch:

Dynamic bandwidth allocation: supports adjustable bandwidth of 12.5GHz~4.5THz, with a resolution of ≤12.5GHz
Precise attenuation control: 0-15dB attenuation range, with an accuracy of ±(set value×10%)
Multi-port switching: switching response time ≤1000ms, crosstalk ≥30dB

Test method system

The standard establishes a four-level testing system:

Test category	Typical items	Key equipment	Accuracy requirements
Optical performance	Wavelength stability	Spectrum analyzer	±0.002nm
Mechanical properties	Fiber retention	Tensile tester	±0.1N

Implementation suggestions

Product development suggestions:

Priority should be given to meeting the 2000-hour high-temperature aging requirement of the GR-1221 reliability standard
Note that the isolation of 12.5GHz flexible grid devices must be ≥25dB

Testing laboratory construction: