* Images are for reference only. See product specifications (datasheet).
Technical Documentation:
insert_drive_file ULI-227-Series_DS_(05-Oct-2023)20231107172701.pdf
Terms and Conditions
| General | Technology | Serial |
| Serial Communication | TTL & Current Loop Converter | RS-232 to TTL 3.3 Vdc |
| Serial Port Connector Type | 1 x DB9 Female, 1 x DB9 Male | |
| Serial Port Number | 1 | |
| Maximum Serial Transmission Speed | 115.2 Kbps | |
| Environment | Operating Temperature | 0 ~ 70°C |
| Power | Power Input (Serial) | Port-Powered from RS-232 |
| Accessory General | Mounting | Inline |
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Serial Converter, RS-422 DB25 F to 5V TTL DB25 M Convert 2 channels in each direction: 5V TTL (“Transistor Transistor Logic)” to RS-422. Data rate: up to 115.2 Kbps baud. DB25 M / DB25 F. Open pads to change pin configuration. Power supply required (not included, sold separately).
ULI-227D5 - RS-232 (DB9F) to 5 Volt TTL (DB9 Male) Converter, Port Powered Converts 2 channels in each direction from RS-232 to 5 V TTL/CMOS logic. Data rate: up to 115.2 Kbps baud. Powered from RS-232 data/handshake lines (high or low) - no power supply needed. RS-232 DB9 female connector; TTL/CMOS DB9 male connector.
ULI-227TL - RS-232 (DB9 Male) to 20 mA Current Loop (TB) Converter RS-232 to digital 20 mA Current Loop with Isolation. Each current loop may be operated active or passive. Baud rates up to 19.2 kbps. Transmit (T+ and T-) loop and Receive (R- and R-) loop. Port-power or external power supply (not included, sold separately).
Serial Converter, RS-422 DB25 F to 5V TTL DB25 M Convert 2 channels in each direction: 5V TTL (“Transistor Transistor Logic)” to RS-422. Data rate: up to 115.2 Kbps baud. DB25 M / DB25 F. Open pads to change pin configuration. Power supply required (not included, sold separately).
ULI-227D5 - RS-232 (DB9F) to 5 Volt TTL (DB9 Male) Converter, Port Powered Converts 2 channels in each direction from RS-232 to 5 V TTL/CMOS logic. Data rate: up to 115.2 Kbps baud. Powered from RS-232 data/handshake lines (high or low) - no power supply needed. RS-232 DB9 female connector; TTL/CMOS DB9 male connector.
ULI-227TL - RS-232 (DB9 Male) to 20 mA Current Loop (TB) Converter RS-232 to digital 20 mA Current Loop with Isolation. Each current loop may be operated active or passive. Baud rates up to 19.2 kbps. Transmit (T+ and T-) loop and Receive (R- and R-) loop. Port-power or external power supply (not included, sold separately).
