SK-OA series Two-input 1550nm Erbium-doped Fiber Amplifier

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Features

Overview

SK-OA series two-input 1550nm Erbium Doped Fiber Amplifier is important optical relay transmission equipment in 1550nm optical fiber communication system. It is mainly used to TV video signal, digital TV signal, telephone sound signal and data (compressed data) signal's ultra long-distance fiber transmission. It adopts imported high-quality erbium-doped fiber, famous international brand low-noise pumping laser, and advanced micro-computer automatic monitoring system to ensure perfect performance.

Features
● 1U, 19” standard aluminum alloy casing, easy to install.
● Adopts low-noise pumping laser, low-distortion, board frequency band, high output optical power.
● Adopts high-quality erbium-doped fiber to ensure high efficiency of energy conversion.
● Output optical power 0~-4dB is adjustable, 0.1dB step, to facilitate network application and equipment backup.
● With automatic backup function two-channel optical input ports as per designed condition, to ensure system reliability and stability.
● Equipped-in perfect micro-computer automatic monitoring circuit, it can monitor output optical power and laser's every operating status real-timely and precisely to ensure stable optical output power and extend laser operating life efficiently.
● Equipped-in high-bright display screen in front panel, it can display every operating status performance precisely.
● Responder adopts standard Ethernet interface, complies SCTE HMS network management standard and IEC standard, GB/T20030-2005HFC network equipment management system standard, to make remote monitor easily.

Block diagram

Specification

Specifications

Item		Unit	Parameter					Remark
Operation band-width		dB	1535～1565
Input optical power range		dBm	-5～+10
Output optical power		dBm	10～25
Output optical power adjusted range			Related nominal output power 0~-4dB, adjustable
Output power stability		dB	±0.3
Noise figure	Output optical power	dBm	10~18	19~22			23~25	(input optical power is 0dBm)
	Noise figure	dB	≤4.5	≤4.8			≤5.0
Return loss	input	dB	≥45
	Output	dB	≥45
Pump leakage power	Input	dBm	≤-30
	Output	dBm	≤-30
Input optical backup switching period		ms	≤15
C/N		dB	≥51
C/CTB		dB	≥65
C/CSO		dB	≥65
Optical connector			FC/APC or SC/APC
Voltage		V	AC110～265（50~60Hz）or DC48V
Consumption		W	16（max）		20（max）	30（max）
Operation temperature		℃	-10～+55
Operation relative humidity		％	max.95% no-condensing
Storage temperature		℃	-35～+70
Storage relative humidity		％	max. 95% no-condensing
Dimension		mm	483×381×44					WxDxH