User's Manual

Title:
AJ102 Data Concentrator Unit User Manual
Ver.
1.4
Page:
14 of 23
The 3G communication parameters are generally programmed in the factory. It is also possible to change
the communication parameter remotely or locally.
Refer to LED indicators chapter for the communication status indication.
5.2.2 Ethernet Communication
DCU supports one Ethernet port which can also be used for remote communication.
5.3 LAN Communication
DCU supports three LAN communication interfaces:
1) A RF communication interface which is embedded on the main board.
2) A RS-485 communication interface.
5.3.1 RF Communication
RF communication is based on DLMS/COSEM HDLC profile. The key features of RF are listed below:
◆ Communication frequency: 915.25M , 915.85M, 916.60M, 917.10M, 917.75M
◆ Auto-repeater, network self-healing
◆ Meter auto-registration
◆ Up to two repeater levels
Refer to LED indicators chapter for the RF communication status indication.
5.3.2 RS-485 Communication
DCU has one RS-485 communication port, which can be used to connect to RS-485 meters. The interface
supports DLMS/COSEM HDLC profile.