Transcript
RS2T4-210 Isolated Daul Port RS232 to RS232/RS422/RS485 Converter Board Features Converts RS232 signal to RS232/422/485 signal for data transmitting Automatically detects signals to match RS-422 or RS-485 networks Auto Baud Rate Detection Auto Data Flow 2.5K VDC Isolation for com port / 3K VDC Isolation for power
On Board I/O
12.5 mm 1.5 mm 80 mm
System Specification
Pin Assignment
Number of Ports Box Header
: :
Isolation
:
Data Rate
:
Power Consumption Power supply Dimension Operating Temp. Storage Temp. Humidity Range
: : : : : :
2 x DB9-M 1 x 5VDC-IN 1 x RS232 (2x10 pitch 2.0mm) Power: 3KV DC Com Port: 2.5KV DC 1200, 2400, 4800, 9600, 19.2k, 38.4k, 57.6k, 115.2k Auto Baud Rate Detection Auto Data Flow 0.5W 5V@90mA 76 x 30 x 16mm -10~70 C -25~85 C 10-90% R.H.
Note: All Specifications are subject to change without prior notice!
J3,J8: RS-232/RS-485/RS-422 Complex Port
J1: Power Input Pin
Symbol
Description
1
VCC
+5VDC
2
GND
Ground
J2: Dual RS-232
Pin 1 2 3 4 5 6 7 8 9
Symbol DB1(2)_P1 DB1(2)_P2 DB1(2)_P3 DB1(2)_P4 GND DB1(2)_DSR DB1(2)_RTS DB1(2)_CTS DB1(2)_RI
Description RS-232 DCD/RS-485 D-/RS-422 T(R)XRS-232 RXD/RS-485 D+/RS-422 T(R)X+ RS-232 TXD/ RS-422 R(T)XRS-232 DTR/ RS-422 R(T)X+ Ground RS-232 DSR RS-232 RTS RS-232 CTS RS-232 RI
Pin
Symbol
Description
1
COM1_DCD
RS-232 Port 1 DCD signal
2
COM1_DSR
RS-232 Port 1 DSR signal
3
COM1_RXD
RS-232 Port 1 RXD signal
4
COM1_RTS
RS-232 Port 1 RTS signal
5
COM1_TXD
RS-232 Port 1 TXD signal
6
COM1_CTS
RS-232 Port 1 CTS signal
7
COM1_DTR
RS-232 Port 1 DTR signal
8
COM1_RI
RS-232 Port 1 RI signal
9
GND
Ground
10
GND
Ground
11
COM2_DCD
RS-232 Port 2 DCD signal
12
COM2_DSR
RS-232 Port 2 DSR signal
13
COM2_RXD
RS-232 Port 2 RXD signal
14
COM2_RTS
RS-232 Port 2 RTS signal
15
COM2_TXD
RS-232 Port 2 TXD signal
16
COM2_CTS
RS-232 Port 2 CTS signal
17
COM2_DTR
RS-232 Port 2 DTR signal
J9,J10: RS-232/RS-485,RS422 Selection
18
COM2_RI
RS-232 Port 2 RI signal
Left: RS-485,RS-422
19
GND
Ground
20
GND
Ground
Note: All Specifications are subject to change without prior notice!
SW1: Com Port Mode Switch Switch Serial Port Status Mode 1 COMx OFF(Default) RS-422: Master mode (J3) RS-485: Auto flow control ON RS-422: Slave mode RS-485: N/A 2 COMx OFF(Default) RS-422: Master mode (J8) RS-485: Auto flow control ON RS-422: Slave mode RS-485: N/A
J4,J5,J6,J7: 120 ohm Termination Selection Open: Normal Mode (below 300M) Close: Long Distance Mode (up to 1.2KM)
Right: RS-232
Revised Date:6/30/2008
