
Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(400SL22P)User Manual
Copyright ©2012–2019,Chengdu Ebyte Electronic Technology Co., Ltd.
CONTENTS
1. Introduction.................................................................................................................................................................2
1.1 Brief introduction..............................................................................................................................................2
1.1.1 Certificate.............................................................................................................................................. 2
1.1.2 Features..................................................................................................................................................3
2. Quick Start.................................................................................................................................................................. 4
3. Dimensions............................................................................................................................................................... 10
3.1 Parts description..............................................................................................................................................10
4. Interface definition....................................................................................................................................................12
4.1 Power interface............................................................................................................................................... 12
4.2 RS232..............................................................................................................................................................12
4.3 RS485..............................................................................................................................................................12
5. Technical specification............................................................................................................................................. 13
5.1 Model specification........................................................................................................................................ 13
5.2 General specification parameter.....................................................................................................................13
5.3 Frequency and channel numbers.................................................................................................................... 14
5.4 Transmitting power.........................................................................................................................................14
5.5 Air data rate.....................................................................................................................................................14
5.6 Current............................................................................................................................................................ 14
5.7 TX and RX FIFO and sub-packing method................................................................................................... 14
6. Function Description................................................................................................................................................ 15
6.1 Fixed Transmission(Hexadecimal)........................................................................................................... 15
6.2 Broadcast Transmission(Hexadecimal).................................................................................................... 15
6.3 Broadcast Address....................................................................................................................................... 16
6.4 Monitor Address............................................................................................................................................. 16
7.Operating mode..........................................................................................................................................................16
7.1 Normal mode(Mode 0)..............................................................................................................................16
7.2 WOR sending mode(Mode 1)................................................................................................................... 16
7.3 WOR receiving mode(Mode 2).................................................................................................................17
8. Relay networking mode............................................................................................................................................18
9. Configuration instructions on computer...................................................................................................................20
9.1 Configuration considerations..........................................................................................................................20
9.2 Factory default parameters............................................................................................................................. 20
9.3 Configuration software and parameter description........................................................................................20
9.4 Configuration parameter description of upper computer...............................................................................25
10. Programming the modem....................................................................................................................................... 29
10.1 Connection diagram......................................................................................................................................29
11. Connection diagram in test and practical application............................................................................................ 30
12.E90-DTU(SL Series)............................................................................................................................................... 31
13.Application field...................................................................................................................................................... 32
14.Operation notes........................................................................................................................................................33
Revision history............................................................................................................................................................ 34
About us........................................................................................................................................................................34