1、KS X 4303 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS KS X 4303 ：2007 (2012 ) 2007 11 30 http:/www.kats.go.krKS X 4303：2007 : ( ) ( ) SJ ( ) : (JTC1/SC6) () ( ) SK KS X 4303：2007 : (http:/www.standard.go.kr) ： ：1997 12 9 ：2007 11 30 ：2012 12 28 ： 2012-0797 ： (JTC1/SC6) ( 02-509-7262) (http:/www.kats.g
2、o.kr). 10 5 , . KS X 4303：2007 (2012 ) Information technologyTelecommunications and information exchange between systemsSynchronization methods and technical requirements for private integrated services networks 1994 1 ISO/IEC 11573, Information technologyTelecommunications and information exchange
3、between systemsSynchronization methods and technical requirements for private integrated services networks , 1.4 . 1 1.1 (PISN) . (PISN) (PINX) , , . . . . , , . (PISN) . (PISN) . 1.2 . 1.2.1 (Accuracy) 24 (clock) . KS X 4303：2007 2 1.2.2 (Asynchronous signals) 1.2.3 (Clock free running mode) (PINX)
4、 . 1.2.4 (Clock hold over mode) (PINX) . 1.2.5 (controlled Slip) 1.2.6 (Jitter) 1.2.7 (Lock range) 1.2.8 (Master) (PINX) . 1.2.9 (MTIE；Maximum time Interval error) 1.2.10 (PLL；Phase Locked Loop) , 1.2.11 (Plesiochronous) 1.2.12 (Pimary Reference Clock) 10 11 1.2.13 (Pull in range) KS X 4303：2007 3 1
5、.2.14 (Reference Clock) 1.2.15 (Slave) (PINX) . 1.2.16 (Slip) 1.2.17 (Split Timing) 1.2.18 (Synchronous) 1.2.19 (Synchronization) 1.2.20 (TIE；Time-Interval Error) 1.2.21 (Timing loop) . 1.2.22 (Time to repair) 1.2.23 (Transparent) . 1.2.24 (Wander) 1.3 AIS (Alarm Indication signal) BITS (Building In
6、tegrated Timing Supply) KS X 4303：2007 4 CCITT (International telegraph and Telephone Consultative Committee) CPE (Customer Premises Equipment) C0 (Basic Rate transparent or non transparent links) C1 1.544 Mbps(1.544 Mbits/s transparent or non transparent links) C2 2.048 Mbps(2.048 Mbits/s transpare
7、nt or non transparent links) C3 ISDN(Non ISDN transparent or non transparent links) DCS (Digital Cross-connect system) DSX (Digital Siginal Cross-connect) DTE (Data Terminal Equipment) ESF (Extended Super Frame) FM (Frequency Modulation) GPS (Global Positioning System) MTIE (Maximum Time Interval Er
8、ror) MUX (Multiplexer) NCTE (Network Channel Terminating Equipment) NI (Network Interface) PISN (Private Integrated Services Network) PINX (Private Integrated Services Network Exchange) ppm ppm(parts per million) PSTN (Public Switched Telecommunication Network) PLL (Phase Locked Loop) PRC (Primary R
9、eference Clock) PM (Phase Modulation) SES 2 (Severely Errored Second) SDH (Synchronous Digital Hierarchy) T0 ISDN (Basic Rate Access to public ISDN) T1 ISDN 1.544 Mbps(1.544 Mbits/s Access to public ISDN) T2 ISDN 2.048 Mbps(2.048 Mbits/s Access to public ISDN) TIE (Time Interval Error) UI Unit Inter
10、val(488 ns for T2 and C2, 648ns for T1 and C1, 5208 ns for T0 and C0) UTC (Universal Coordinated Time) 1.4 , , . 2 , , , , , , . 3 , . KS X 4303：2007 5 A () . B () . C () , , , . D () , . E () , . F () SDL . G () . KS X 4303：2007 6 ISO/IEC 11573：1994, Information technologyTelecommunications and inf
11、ormation exchange between systemsSynchronization methods and technical requirements for Private Integrated Services Networks . KS X 4303：2007 7 KS X 4303：2007 8 KS X 4303：2007 9 KS X 4303：2007 10 KS X 4303：2007 11 KS X 4303：2007 12 KS X 4303：2007 13 KS X 4303：2007 14 KS X 4303：2007 15 KS X 4303：2007
12、 16 KS X 4303：2007 17 KS X 4303：2007 18 KS X 4303：2007 19 KS X 4303：2007 20 KS X 4303：2007 21 KS X 4303：2007 22 KS X 4303：2007 23 KS X 4303：2007 24 KS X 4303：2007 25 KS X 4303：2007 26 KS X 4303：2007 27 KS X 4303：2007 28 KS X 4303：2007 29 KS X 4303：2007 30 KS X 4303：2007 31 KS X 4303：2007 32 KS X 430
13、3：2007 33 KS X 4303：2007 34 KS X 4303：2007 35 KS X 4303：2007 36 KS X 4303：2007 37 KS X 4303：2007 38 KS X 4303：2007 39 KS X 4303：2007 40 KS X 4303：2007 41 KS X 4303：2007 42 KS X 4303：2007 43 KS X 4303：2007 44 KS X 4303：2007 45 KS X 4303：2007 46 KS X 4303：2007 47 KS X 4303：2007 , . 1 . 2 . (PISN) . 3
14、1994 1 ISO/IEC 11573, Information technologyTelecommunications and information exchange between systemsSynchronization methods and technical requirements for private integrated services networks . 4 , ISO, IEC, ITU . . , . 2 3 . . , . 1997 3 20 “KS A 0001：1997 ” KS , , “ ” . “ KS X 4303：2007 48 , .”
15、 , . 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS X 4303 ：2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Information technology Telecommunications and information exchange between systems Synchronization methods and technical requirements for private integrated services networks ICS 35.120.00 Korean Agency for Technology and Standards http:/www.kats.go.kr
