| Item \ Model No. | D type, 25pin female or male | D type, 25pin female or male |
| Connector | D type, 25 pin female or male | D type, 25 pin female or male |
| Light source | LED | LED |
| Wavelength | 1310 +/- 20nm | 850 +/- 20nm |
| Signal format | EIA RS-232C STD.& CCITT V.24V.28 | EIA RS-232C STD.& CCITT V.24V.28 |
| Communication mode | Asynchronous | Asynchronous |
| Fiber optical type | Multi-mode | Multi-mode |
| Fiber port | FC/ST(option) | ST/SMA(option) |
| Distance | 10Km or more than 10Km | 2Km or more than 2Km |
| Optical power budget | 16dB | 16dB |
| Transmission mode | Full duplex, bi-directional transmission | Full duplex, bi-directional transmission |
| Bit error rate | 10^-9 | 10^-9 |
| Transmission rate | DC-57,600BPS | DC-57,600BPS |
| Size L x W x D | 104 x 125 x 46mm | 73 x 44 x 16mm |
| Weight | 450g | 70g |
| Operating environment | 20~95%(non-condensing), 0~50 Celsius | 20~95%(non-condensing), 0~50 Celsius |
| Storage environment | 95% or less (non-condensing), -20~80 Celsius | 95% or less (non-condensing), -20~80 Celsius |
| Extra power supply | DC24~48V | No external power request |
