1. International Submarine Cable Korea-Japan Cable Network
(KJCN)
October 2002 1

2. Table of Contents 1. Introductions 2. International Submarine Cables
3. Korea-Japan Cable Network (KJCN)

3. General Features of Submarine Cables
Introduction
General Features of Submarine Cables
Long Distance Transmission Capability
- Trans-Pacific and Trans-Atlantic
Big Bandwidth Transmission Capability
- Suitable for Internet, Video Streaming
High Reliability
- Suitable for international e-commerce business
State of Art Technology
- High Quality Service 1

4. Role of Submarine Cables for International Telecommunication in Korea
Introduction
Role of Submarine Cables
for International Telecommunication in Korea
Major Infrastructure of International Telecommunication
Year
Satellites
Submarine Cables
1990
80%
20%
1995
44%
56%
2001 3%
97%

5. Basic Structure of Submarine Cable
Introduction
Basic Structure of Submarine Cable
Domestic Network
Beach
Manhole
Branching Unit
Terminal
Station C
Domestic
Equipment
Terminal
Equipment
Repeater
Terminal
Station B
Supervisory
Equipment
Power
Feed EQ.
Terminal Station A

6. International Submarine Cable
1. Submarine Cable Maps
- World Cable Map
- North East Asia Cable Map
2. Submarine Cables Landed in Korea

7. International Submarine Cable Submarine Cables in the World

8. International Submarine Cable Submarine Cables in North East Asia

9. International Submarine Cable Cables Landed in Korea (1)
Nakhodka
(Russia)
RJK
Naoetsu
(Japan)
H-U Cable
Seoul
CKC
Boeun E/S
Qindao(China)
Kumsan
Taean C/S
Pusan
Keoje
KJCN
Fukuoka/Kitakyushu
Cheju
FLAG
Ninomya(Japan)
HJK
Miuara(Japan)
D.W.B(Hong Kong)
SMW-3
Okinawa(Japan)
FLAG
SHI(China)
APCN
LTU(Hong Kong)
Miyazaki(Japan)
SMW-3
SHI(China)
HJK
APCN
Chikura(Japan)
LTU(Hong Kong)
China-US
Bandon(US)
China-US
CHM(China)
APCN 2
APCN 2
Kitaibaraki(Japan)
SHI(China)

10. International Submarine Cable Cables Landed in Korea (2)
HJK (Hong Kong – Japan – Korea)
RJK (Russia – Japan – Korea)
CKC (China – Korea Cable)
APCN (Asia Pacific Cable Network)
SEA-ME-WE 3 (South East Asia-Middle East-Western Europe 3)
FLAG (Fiber Optic Link Around the Globe)
CUCN (China-US Cable Network)
APCN 2 (Asia Pacific Cable Network 2)
KJCN (Korea-Japan Cable Network)

11. Korea-Japan Cable Network
1. KJCN Map
2. KJCN General
3. Advantages of KJCN

12. Korea-Japan Cable Network
KJCN Map

13. Korea-Japan Cable Network
KJCN General
KJCN Route : Busan-Fukuoka, Busan-Kitakyushu
Participants : KT, NTT, Japan Telecom, KEPCO
C&MA Signing :
Supply Contract (Fujitsu) :
Total Length : 500Km
Number of Fiber Pair : 12
Design Capacity : 2.88Tbps (Initial Capacity: 50G)
RFS :
KEPCO: Kyushu Electric Power Co., RFS: Ready For Service
C&MA: Construction and Maintenance Agreement

14. Korea-Japan Cable Network
Advantages of KJCN
Continuous Competitiveness of the Network
- No need for Repeater due to the Short distance
- Applying cutting edge technology is possible at any time
Exclusive connection between Korea and Japan
- Cheap Cost
- But, high quality and reliable service
Highly stable network by Self-healing function
- Stable telecommunication Services
- Internet and e-commerce application