The Moxa TCF-90-S-ST is a RS-232 to single-mode ST fiber optic converter, port powered.
Key specifications
| Product Type | Serial-to-Fiber Converters |
|---|---|
| Conversion | RS-232 to fiber (port-powered) |
| Serial Standards | RS-232 |
| Serial Connector | DB9 female |
| Fiber | Single-mode ST, 1310 nm, 40 km typical |
| Baudrate | 300 bps to 115.2 kbps |
| Operating Temperature | 0 to 60°C |
| Power Input | Port-powered from RS-232 lines; optional external 5 to 12 VDC |
Features and Benefits
- Uses either external power or power over serial
- Extends RS-232 transmission up to 40 km with single-mode fiber
- Reduces signal interference
- Protects against electrical interference and chemical corrosion
- Compact size





