TEL-SERX4 technical documentation
From fit-PC wiki
Contents
Compulab part number
FT.H-SER4
Description
TEL-SERDB9 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 - Native DB-9 Port RS-232 / RS-485 RS-232 / RS-485 RS-232 / RS-485
RS-485 - Globally enable Termination resistor. - User Switchable - Globally Switched Between Half Duplex and Full-Duplex mode. - User Switchable
TEL-SERDB9 is utilizing a USB2 interface
Multiple TEL-SERDB9 cards can be installed in a system
Features
- Serial through DB-9 Connector
- Implemented using FTDI FT4232H
Software
- Windows and Linux support
- Driverless operation in Windows & Linux
- USB native device in Linux
Electrical and environmental
- 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 SW5 - ON->Enables Termination resistor RS-485-Half Duplex SW6 - ON->Enables Termination Resistor RS-485-Full Duplex
- I2C GPIO expander that is located on I2C address 0X27.
Open source hardware and software
- Complete hardware design files are available
- Complete firmware is available
- Designed for Hacking - Easily scriptable Python SW library for easy and cross-platform communication to the device
Connection requirements
Host interface
USB2
Physical connection
or
Version information
Latest HW Version Rev 1.0
Block diagram
Mechanical model
ToDo: Add 3D model
Hardware design files
ToDo: Add Gerbers ToDo: Add Schematics
Software source files
ToDo add files