Chengdu Ebyte Electronic Technology Co.,Ltd.
E90-DTU(2G4HD12)
User Manual
Copyright ©2012–2020
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Chengdu Ebyte Electronic Technology Co.,Ltd.
9
3. Housing and Ports
NO.
Name
Function
Notes
1
DB-9 female socket
RS-232 interface
Standard RS-232 interface
2
3.81 terminal block
RS-485, power interface
Standard RS-485 interface and pressure line power interface
3
PWR-LED
Power Indicator
Red, lights up when the power is on
4
LINK-LED
Data transceiver indicator
Yellow, the connection is successful
5
DATA-LED
Serial data indicator
Yellow, flashing during data transmission
6
DC power interface
Power connector
Push-in round hole, outer diameter 5.5mm, inner diameter 2.5mm
7
DIP switch
Mode selection
Configuration mode: M1=UP, M0=any;
Transparent transmission mode: M1=Down, M0=Any
8
Antenna interface
SMA-K interface
External thread inner hole, length 10mm, characteristic impedance
50Ω
Содержание 2G4HD12
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