▶ Fox-622
 
 
   
 
 FOX-622V 동기식 광전송장비는 622M COT, RT 및 155M POI로 구성되며, 622M COT, RT장비는 국사 및 기지국의 종속신호 DS1E, E2, DS3, STM-1신호를 받아 STM-4 동기식 디지털신호를 다중화하여, 대향장비로 광전송하고, 이의 역과정을 수행하며, PTP 및 환형망 구성이 가능한 장비입니다.
 
 
§ 종속 신호 수용 용량
 - 622M COT : 4xSTM-1, 12xDS-3, 48xDS-E2, 147xDS-E1
 - 622M RT   : 2xSTM-1, 6xDS-3, 24xDS-E2, 63xDS-E1

§
 다양한 광 인터페이스
 OTRU-A : STM-4(622Mbps)
 - OTRU-B : STM-1 X 4
 - OTRU-C : STM-1(155Mbps)

§
 Compact Size – 19" 표준랙COT(4U), RT(3U)
§ 원격 다운로딩(소프트웨어 업그레이드
§ 622M 또는 155M 겸용

§
 
적용규격
 - ITU-T 국제표준 규격
 - KT 표준규격

§
 최대 128노드망관리
 - GUI mode EMS(Point & Click)
 - TCP/IP LAN
 - RS-232C Serial Port

§
 소비전력(DC-48V 사용시)
 - COT : 150 Watt
 - RT   : 130 Watt
 
 
[COT]
System Dimension : 18(H) x 60(D) x 48(W)cm
19” standard Rack type
10 Shelf / 2.2m Rack
Input Power : -48 VDC
Power Consumption : 150 W
Module Power
Front and Rear Access & Cabling type

[RT]
System Dimension : 14(H) x 60(D) x 48(W)cm
19” standard Rack type
13 Shelf / 2.2m Rack
Input Power : -48 VDC
Power Consumption : 120 W
Dual Power (Module Power)
Front and Rear Access & Cabling type

▶ MDCU (Front Unit)
-System concentrated processing unit with NE Software
-System monitor and control from the local and remote node
-Auto recovery the system configuration
-DCC Channel Processing
-Shelf Alarm LED - Critical, Major, Minor
-Operation Terminal Interface (LAN connector)

▶ MDIOU (Rear Unit)
-Operation Terminal Interface (RS232C connector)
-PDP Power/Alarm Connector

▶ ECIU (Front Unit)
- External clock Input
- Dual Unit

▶ ECIOU (Rear Unit)
- External Clock Input (Primary, Secondary)

▶ OTRU (Front Unit)
- Optical to Electrical Conversion
- STM-1 or STM-4 Multiplexing
- Clock Synchronization
- Wavelength : 1310nm or 1550nm
- Optical Span Length ( 15km, 40km, 60km : Swap the Optic Unit )
- Connector : SC
- ITU-T G.958 standard
- Swap the OTRU to upgrade STM-1 to STM-4

▶ STM1U(Synchronous Transport Module level-1 Unit)
- Optical to Electrical Conversion
- 1 x STM-1 channel per unit
- Connector : SC
- ITU-T G.958 standard
- Conversion STM-1 3 x AU3 or 1 x AU4

▶ DS1EU (E1 Mapper Unit)
- 21 E1 channel per unit
- TU12 Format

▶ DS2EU (E2 Mapper Unit)
- 12 E2 channel per unit (622M)
- 4 E2 channel per unit (155M)
- AU3/AU4 Format

▶ DS3U (DS3 Mapper Unit)
- 3 channel per unit
- AU3/AU4 Format

• Optic Line Protection : 1+1 unit protection
• E1 Unit Protection
- 622M COT - 7:1
- 622M RT - 3:1
- 155M - 3:1
• E2/DS3 Unit Protection - 1:1
• STM-1 Unit Protection - 1+1

• Selectable Clock Source
- External Clock Input (Primary, Secondary)
- 2.048Mbps External Clock
- Inter Synchronization
- Line / Loop Synchronization
• Clock Switching
- External Clock : Protection Clock by a Primary and Secondary
- External Clock error occurred : Hot swap to Holdover mode
- External Clock error released : Released to the Clock
• Clock Setting by the software

• CIT : GUI (Graphic User Interface)
• Network Management
- Network Plan, Provisioning, Alarm Monitoring
- Remote monitoring and controlling through DCC (Data Communication Channel)
- Accessing EMS
  Access TL1 through TCP/IP(Telnet) for remote EMS
  Remote node network management through TCP/IP or SNMP
  7 Layer OSI stack for LAN and DCC
- Critical, Major, Minor for alarm indicate
- Alarm descript information
- Cross-Connection state

• Network Performance Monitoring
- Collecting the signal path data
- Auto upgrade the performance Data
- Analysis the performance monitoring, Inventory Management
- Unit name, Production number, Unit Revision number, A/S history
- Login history : Login system from central and remote node

• Backup and Recovery the network configuration
- Backup and recovery the Network and System configuration, Provision, Performance
state to HDD
- Download the system Element
Network Element
System Element

• Security Management (User level)
• Print an user format report