TF30 single E1 optical transmission device is a high-performance, small-sized, light-weight, and compact point-to-point optical line terminal device, providing 1 E1 interface, 2 RS232 interfaces, and the device does not require any configuration, open power immediately, and easy maintenance.
The TF30 is a single‑E1 light transfer device developed by Tianfang, offering one E1 interface, two RS232 ports, and optional optical interfaces (SC or FC). It supports 30 voice channels, low power consumption, and can operate from AC 220 V or DC 48 V.
The manual provides a product overview, key features, detailed technical specifications, wiring diagrams, installation steps, common fault troubleshooting, typical applications, accessory list, and warranty information. This manual is written in Chinese.
| Optical transmit power | –8dBm to –15dBm |
|---|---|
| Optical receive sensitivity | better than –36dBm |
| E1 interface rate | 2048 kbit/s ±50 ppm |
| Power consumption | ≤ 5 W |
| Operating temperature range | 0 °C – 50 °C |
It can be powered from AC 220 V (180 V–240 V) or DC 48 V (36 V–72 V).
Typical distance is 40 km, with a maximum of up to 120 km.