1. VoIP Network PSTN

2. 1998. 4. ㈜지트론정보통신 법인 설립 Router Switch Firewall VPN Concentrator IDS

7. TICKET

14. 망 Router HUB Juke Box NT Server UNIX Server PC 망 연결시 PC 가 여러대일 경우 AP 서버 GIS 서버 Router GIS Client MIS 서버 (SSM 8000)

15. Catalyst

16. NT Server UNIX Server PC PC 가 여러대일 경우 망 Router HUB 망 연결시 인공위성 인공위성 안테나 방화벽 Juke Box CD-ROM 납땜 인두 펜마우스 MD F Stack 형 HUB Outlet IBM 9672 IBM PBX FRAD Prostack 16 S/H FrameRelay Switch IDF ATM Switch ROUTER C7505 Router DSU ANNEX Remote Bridge SYS3000

17. X ELS SEQUENT S2000/290 S2000/490 S2000/790 S5000/SE30 S5000/SE70 DSU ANNEX Remote Bridge 모템모템

18. Mainframe 개방형 시스템 ( 좌측 부터 Sequent NUMA-Q 2000, S5000 SE80, S2000 S/290) EMC 대용량 디스크 스토리지 제품명 : Symmetrix IBM NT 서버 HP 9000 T600 G/W S/H CISCO 2501 AH2400

19. 현금투표 운영 및 관리용 단말 방화벽 정보제공 계좌이체 FEP-A FEP-B 계좌투표 N(A)MS EMC 디스크

20. Catalyst 대형 Router 중형 Router 스위치 PC MDF 외부 망 스택형 허브 Server SEQUENT

21. Cisco Product Icons Router Bridge Communication server Protocol translator Hub CiscoWorks ATM Switch Router with Silicon Switching Hub Cisco Icons Catalyst Workgroup Switch CDDI/FDDI Concentrator Workgroup Director PC Router Card LAN Extender (Cisco 1000) Crescendo AS5100 Silicon Switch Proces sor Interface Processor Route Processor Slide Reference Number 2 Miscellaneous Icons/3 TV camera Phone Network clouds Satellite Lock Telecommuter End User Firewall

22. CCBU/NABU Icons Admin. Workstation Branch Office Home Office Reporting Voice Mail Small PBX Network Cloud IP Phone Database Agent Agent(s) Telephone Automatic Call Distributor Fax e-mail Server Voice Response Unit Web Server Peripheral Gateway Network Interface Controller LNP VPN

23. IBM Icons Front End Processor (FEP) Mini computer Cluster controlle r/3174 Mainframe Mainframe with FEP WAN Icons Switch cloud Concentrator MUX Miscellanceous Icons/1 Workstation Personal computer Macintosh Terminal Laser printer File server Super computer Relation al databas e Modem Modem box Termin al servers Laptop Miscellaneous Icons/2 Alliant (48-96) Convex (55-70) Fujitsu VP series Hitachi NEC SX-3 Siemens S series Thinking machines' connection machine Ultra's hub