<SEC-DOCUMENT>0000873044-18-000048-index.html : 20180426
<SEC-HEADER>0000873044-18-000048.hdr.sgml : 20180426
<ACCEPTANCE-DATETIME>20180426131659
ACCESSION NUMBER:		0000873044-18-000048
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180426
DATE AS OF CHANGE:		20180426

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RADISYS CORP
		CENTRAL INDEX KEY:			0000873044
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				930945232
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26844
		FILM NUMBER:		18777527

	BUSINESS ADDRESS:	
		STREET 1:		5435 NE DAWSON CREEK DR
		CITY:			HILLSBORO
		STATE:			OR
		ZIP:			97124
		BUSINESS PHONE:		5036151100

	MAIL ADDRESS:	
		STREET 1:		5435 NE DAWSON CREEK DRIVE
		CITY:			HILLSBORO
		STATE:			OR
		ZIP:			97124
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>a12312017form10-ka.htm
<DESCRIPTION>10-K/A FORM 12.31.17
<TEXT>
Document 1 - file: a12312017form10-ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.3
<SEQUENCE>2
<FILENAME>exhibit31310kaceocertifica.htm
<DESCRIPTION>EXHIBIT 31.3 10KA CEO CERTIFICATION 2018
<TEXT>
Document 2 - file: exhibit31310kaceocertifica.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.4
<SEQUENCE>3
<FILENAME>exhibit31410kacfocertifica.htm
<DESCRIPTION>EXHIBIT 31.4 10KA CFO CERTIFICATION 2018
<TEXT>
Document 3 - file: exhibit31410kacfocertifica.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>comp_ceoa05.jpg
<TEXT>
Document 4 - file: comp_ceoa05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>comp_neoa04.jpg
<TEXT>
Document 5 - file: comp_neoa04.jpg

</DOCUMENT>
</SEC-DOCUMENT>