User's Manual

Title:
AJ102 Data Concentrator Unit User Manual
Ver.
1.4
Page:
4 of 23
Content
1 OVERVIEW ................................................................................................................................................. 6
2 ABBREVIATION ......................................................................................................................................... 6
3 GENERAL DESCRIPTION ........................................................................................................................ 7
3.1 FRONT VIEW AND REAR VIEW ......................................................................................................... 7
3.2 TECHNICAL FEATURES ..................................................................................................................... 8
4 FUNCTION CHARACTERISTICS ........................................................................................................... 9
4.1 CLOCK MANAGEMENT ..................................................................................................................... 9
4.2 SYNCHRONIZE METER CLOCK ......................................................................................................... 9
4.3 NODE DISCOVERY AND AUTO-ROUTING .......................................................................................... 9
4.4 AUTOMATICALLY METER DATA COLLECTION .................................................................................. 9
4.4.1 Re-collect the Data .................................................................................................................. 9
4.4.2 Storage Capacity ................................................................................................................... 10
4.4.3 Data Upload to Central System ............................................................................................. 10
4.5 ON DEMAND REQUEST AND RESPONSE TRANSFERRING ................................................................ 10
4.6 DCU FIRMWARE UPGRADE ............................................................................................................ 10
4.7 METER FIRMWARE UPGRADE ........................................................................................................ 10
4.8 SELF-DIAGNOSE AND WORKING STATUS ........................................................................................ 11
4.9 EVENT LOGS .................................................................................................................................. 11
4.10 LED INDICATORS ........................................................................................................................... 12
5 COMMUNICATION INTERFACES ....................................................................................................... 13
5.1 OPTICAL PORT COMMUNICATION .................................................................................................. 13
5.2 WAN COMMUNICATION ................................................................................................................. 13
5.2.1 3G Communication................................................................................................................ 13
5.2.2 Ethernet Communication ....................................................................................................... 14
5.3 LAN COMMUNICATION.................................................................................................................. 14
5.3.1 RF Communication................................................................................................................ 14
5.3.2 RS-485 Communication ......................................................................................................... 14
6 SECURITY ................................................................................................................................................. 15
6.1 PHYSICAL SECURITY ...................................................................................................................... 15
6.2 COMMUNICATION SECURITY .......................................................................................................... 15
6.3 KEYS OF DCU ................................................................................................................................ 15
6.4 COMMUNICATION SECURITY TO METERS....................................................................................... 15
7 TRANSPORTATION AND STORAGE ................................................................................................... 16
8 DCU INSTALLATION .............................................................................................................................. 16
8.1 INSTALLATION ENVIRONMENT ....................................................................................................... 16
8.2 DIMENSION AND WEIGHT .............................................................................................................. 16
8.3 WIRING DIAGRAM AND AUXILIARY TERMINALS ........................................................................... 16
8.4 INSTALLATION GUIDE .................................................................................................................... 17
8.4.1 What You Need ....................................................................................................................... 17