Chengdu Ebyte Electronic Technology Co., Ltd
Copyright ©2012-2023, Chengdu Ebyte Electronic Technology Co., Ltd
8
fo
otnote
name (of a
thing)
functionality
clarification
1
PE
connection with the earth
connection with the earth
2
GND
Crimped Power Supply
Input Negative
Power Reference Ground
3
VCC
Positive input for crimped
power supply
Power input (12V/20A)
4
MOD
Mode Control
Suspended, General Mode; Grounded,
Configuration Mode
5
RS485 G
RS485 interface G
RS485 interface G connected to the device
GND interface (recommended connection)
6
RS485 B
RS485 Interface B
RS485 interface B connected to device B
interface
7
RS485 A
RS485 Interface A
RS485 interface A connected to device A
interface
8
RS232
RS232 interface
Standard RS232 interface
9
ANT
SMA-K connector
External threaded bore, 10mm long,
characteristic impedance 50
Ω
10
PWR
Power indicator
Red, illuminated when power is on
11
TXD
Serial Data Transmission
Indicator
Yellow, blinking when sending data
12
RXD
Serial Data Receiving
Indicator
Yellow, blinking when receiving data
13
ERR
warning indicator
Red, not connected to the antenna or
voltage,
temperature
abnormalities,
not
connected to the antenna abnormalities resolved
need to be re-powered to work normally
4 interface definition
4.1 Power Interface Description
The user is powered by a pressurized wire, 12V/20A DC power supply.
4.2 RS232 Interface Definition
The E90-DTU can be connected to the device via RS232 using a standard DB9 interface.
Summary of Contents for E90-DTU(400SL47)
Page 1: ...E90 DTU 400SL47...
