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*** DISCONTINUED *** This product is discontinued and there is no designated replacement. Available while supplies last. Contact Westward Sales for an alternative option.
The Antaira STF-502C family of industrial serial-to-fiber media converters extends asynchronous RS-232/422/485 serial data transmissions over EMI resistant fiber optics to distances up to 30 km. Choose an SC or ST fiber connection in multi-mode (2 km) or single-mode (30 km). The two fiber ports support a redundant full-duplex fiber ring network.
The STF-502C converter is capable of interfacing to RS-232 (3 or 5 wire), RS-485 (2 or 4 wire, half or full duplex), and RS-422 (4 wire, full-duplex). It offers secure serial data transmissions at speeds up to 1024 kbps, built-in RS-485 auto detection, 8 kV ESD protection, 2.5 kV isolation protection, and a 10 position rotary switch for RS-422/485 pull high/low transmission.
The STF-502C converters are built tough for high performance and critical applications such as outdoor communication, traffic signaling, fire alarm control panels, substation automation, industrial control, process automation, water/wastewater plants, oil and gas operations, and mining.
STF-502C-CM02, RS-232/422/423/485 to fiber media converter, multi-mode, SC connectors, standard operating temperature, 0 to 60°C *(No longer available)
STF-502C-TM02, Same as above with ST connectors
STF-502C-CS30, Same as above with single-mode, SC connectors *(No longer available)
STF-502C-TS30, Same as above with single-mode, ST connectors *(No longer available)
STF-502C-CM02-T, Same as above with multi-mode, SC connectors, extended operating temperature from -40 to 75°C *(No longer available)
STF-502C-TM02-T, Same as above with multi-mode, ST connectors, extended operating temperature from -40 to 75°C *(No longer available)
STF-502C-CS30-T, Same as above with single-mode, SC connectors, extended operating temperature from -40 to 75°C *(No longer available)
STF-502C-TS30-T, Same as above with single-mode, ST connectors, extended operating temperature from -40 to 75°C *(No longer available)
| Technology | |
| Category | Serial Connectivity |
| Fiber Ports | 2 Fiber Ports |
| Wavelength | 1310 nm / 1550 nm |
| Transmission Distance | 2 km, Multi-Mode / 30 km, Single-Mode |
| Tx Power | Multi-Mode: -14 to -20 dBm / Single-Mode: -5 to -15 dBm |
| Rx Sensitivity | Multi-Mode: -31 dBm / Single-Mode -35 dBm |
| Serial Interface | |
| Category | Serial to Fiber |
| Serial Ports | 1 RS-232/422/485 |
| Baud Rate | 50 bps to 1024 Kbps |
| Serial Isolation | 2.4 KV isolation and 8 KV ESD protection |
| Pull High/Low | Adjustment by 10 position rotary switch |
| Power | |
| Power Consumption | 5 W |
| Connection | Screw Terminal Block |
| Input Voltage | 9.6 to 58 VDC |
| Reverse Polarity Protection | Yes |
| Mechanical | |
| Connector Type | SC or ST |
| Enclosure | Metal |
| Dimensions | 106 x 39 x 142 mm (4.72 x 1.54 x 5.59'') |
| Weight | 1.6 lbs. |
| Mounting | DIN-rail or Wall Mounting |
| Ratings | |
| Operating Temperature | Standard: 0 to 60°C or Extended: -40 to 75°C |
| Storage Temperature | -40 to 85°C |
| Humidity | 5 to 95% non-condensing |
| RoHS Compliant | FCC, CE , FCC Part15, CISPR (EN55022) Class A , EN61000-4-2, 4-3, 4-4, 4-5, 4-6, UL (Pending) |
| MTBF | 797,101 Hours |
| Warranty | 5 Years |
| Download Name | File Size |
| STF-500C Series Datasheet | 471.06KB |
| STF-502C User Manual | 849.12KB |
| STF-502C Quick Installation Guide | 192.59KB |
| Image | Model | Product Name | Price | |
 | DR-45 | Antaira DR-45 (-12, -24) 45-Watt Industrial DIN-Rail Power Supply, 12V or 24V Output | $0.00 | |
 | DR-75 | Antaira DR-75 (-12, -24, -48) 75-Watt Industrial Power Supply, 12V, 24V or 48V Output | $0.00 |
