Realtimes Beijing Technology Co.,LTD
Manual for RTSO-9001 V2.0
27
Function
Serial communication connector
The board
level
RTSO-9001T
(
The upper plate
)
Marking
J4
Type
2.0mm ,2x5Pin Double row pins
Descriptio
n
Rtso-9001 provides two RS232/RS422/RS485 serial communication
interfaces. Users can use BIT1, BIT2 and BIT3 on the dial code switch
SW2 to select the mode.
Pin define
Mode3
232 can only receive data
Dial Switch
State
Pin
Signal
Pin
Signal
011
BIT1 ON
BIT2 ON
BIT3 OFF
1
U0 TX
Invalid
2
U0_232_RX
3
NC
4
U0_232_CTS
5
GND
6
GND
7
U1 TX
Invalid
8
U1_232_RX
9
NC
10
NC
Mode4
Two ways 232* note 3
Dial Switch
State
Pin
Signal
Pin
Signal
100
BIT1 OFF
BIT2 OFF
BIT3 ON
1
U0_232_TX
2
U0_232_RX
3
U0_232_RTS
4
U0_232_CTS
5
GND
6
GND
7
U1_232_TX
8
U1_232_RX
9
U1_232_RTS
10
U1_232_CTS
Mode5
Two road 422
Dial Switch
State
Pin
Signal
Pin
Signal
101
BIT1 ON
BIT2 OFF
BIT3 ON
1
U0_TX_P
2
U0_RX_P
3
U0_TX_N
4
U0_RX_N
5
GND
6
GND
7
U1_TX_P
8
U1_RX_P
9
U1_TX_N
10
U1_RX_N
Pin-1
:
The green box on the right.
Pin-2
:
The red box on the right.