TEL-SERX4
- Type: COM
- Config name: FHA
- Compulab part number: FT.H-SER4
- Interface: USB 2.0
- TRIP: 2,3,4,5,6,7,7B,8,9
- Stacking: A, C
- Features: 4x RS232 / RS485 with DB9 connectors
TEL-SERX4 Provides USB to Multiprotocol(RS-232, RS-485-Half Duplex, RS485-Full Duplex) serial connection (up to 4 Ports per TEL).
- Simple USB Connection protocol
- Supports Multiprotocol implementation on one DB9 Connector.
- Individually enabled between RS-232 or RS485 ports.
- Build-in Termination resistor.
- Protocol switching using Onboard switches or using I2C expander
USB <--> USB HUB <---> RS-232 / RS-485 (Port A) - Native DB-9 Port RS-232 / RS-485 (Port B) RS-232 / RS-485 (Port C) RS-232 / RS-485 (Port D)
RS-485 - Globally enable Termination resistor. - User Switchable - Globally Switched Between Half Duplex and Full-Duplex mode. - User Switchable
TEL-SERX4 is utilizing a USB2 interface
Multiple TEL-SERX4 cards can be installed in a system
Specifications
- Using DB9 connector.
- Implemented using FTDI FT4232H
- Each port supports RS232, RS485 half/full duplex and can be configured independently.
- Over 20 ports can be installed.
- Driverless operation in Windows & Linux
- USB native device in Linux
- Ambient Operation from –40°C to 85°C.
Configuration
Two Configuration method of the device
- Onboard switches
SW1 - PORTA: ON->RS-232 OFF->RS-485 - Native on board Port SW2 - PORTB: ON->RS-232 OFF->RS-485 SW3 - PORTC: ON->RS-232 OFF->RS-485 SW4 - PORTD: ON->RS-232 OFF->RS-485 SW7 - ON->RS-485 Half Duplex OFF->RS-485 Full-Duplex - Port A-D SW5 - ON->Enables Termination resistor RS-485-Half Duplex - Port A-D SW6 - ON->Enables Termination Resistor RS-485-Full Duplex - Port A-D
- I2C GPIO expander(PCA9555) that is located on I2C address 0X27.
I/O,0.0 -- Port A: High: RS-232, Low: RS-485 I/O,0.1 -- Port B: High: RS-232, Low: RS-485 I/O,0.2 -- Port C: High: RS-232, Low: RS-485 I/O,0.3 -- Port D: High: RS-232, Low: RS-485 I/O,0.4 -- NC I/O,0.5 -- NC I/O,0.6 -- NC I/O,0.7 -- Global: High RS-485 Half Duplex, Low: RS-485 Full Duplex
I/O,1.0 -- Port A: High RS-485 Termination enabled on Half Duplex Lines I/O,1.1 -- Port B: High RS-485 Termination enabled on Half Duplex Lines I/O,1.2 -- Port C: High RS-485 Termination enabled on Half Duplex Lines I/O,1.3 -- Port D: High RS-485 Termination enabled on Half Duplex Lines I/O,1.4 -- Port A: High RS-485 Termination enabled on Full-Duplex Lines I/O,1.5 -- Port B: High RS-485 Termination enabled on Full-Duplex Lines I/O,1.6 -- Port C: High RS-485 Termination enabled on Full-Duplex Lines I/O,1.7 -- Port D: High RS-485 Termination enabled on Full-Duplex Lines
Open source hardware and software
- Complete hardware design files are available
- Complete firmware is available