Robustel R3000 - Page 6

Robustel R3000 Hardware Manual
RT064_HM_R3000
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Interface Descriptions
1. PIN Assignment
Note: RS-232/RS-485 depends on the equipment hardware selection, please set according to the actual situation of
the equipment.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
11
12
13
14
15
16
17
PIN
Debug
RS-232
Direction
1
CR
--
R3000  Device
2
CT
--
R3000  Device
3
GND
GND
--
4
--
TXD
R3000

Device
5
--
RXD
R3000  Device
6
--
RTS
R3000  Device
7
--
CTS
R3000  Device
Note: When the device is configured as 2*RS-485, the pin is
defined as follows:
PIN
Debug
RS-485
Direction
4
--
Data+(A)
R3000  Device
5
--
Data- (B)
R3000  Device
PIN
Power
8
Positive
9
Negative
10
GND
PIN
DI/DO
RS-485
Direction
11
Input 1
--
R3000  Device
12
Input 2
--
R3000

Device
13
Output 1
--
R3000

Device
14
Output 2
--
R3000

Device
15
GND
--
--
16
--
Data+(A)
R3000  Device
17
--
Data- (B)
R3000  Device
PIN
DI/DO
RS-232
Direction
11
Input 1
--
R3000

Device
12
Input 2
--
R3000  Device
13
Output 1
--
R3000  Device
14
Output 2
--
R3000  Device
15
IO_GND
--
--
16
--
TXD
R3000

Device
17
--
RXD
R3000

Device
3
--
GND
--
Note: When PIN16/PIN17 is configured as RS-232, the GND of
RS-232 should be connected to PIN3.