| 型号 | 描述（单模单纤1310/1550nm,20km, FC） |
| BT-1AF-T/R | 1路单向音频 |
| BT-2AF-T/R | 2路单向音频 |
| BT-4AF-T/R | 4路单向音频 |
| BT-8AF-T/R | 8路单向音频 |
| BT-16AF-T/R | 16路单向音频 |
| BT-1A↑↓F-T/R | 1路双向音频 |
| BT-2A↑↓F-T/R | 2路双向音频 |
| BT-4A↑↓F-T/R | 4路双向音频 |
| BT-8A↑↓F-T/R | 8路双向音频 |
| BT-16A↑↓F-T/R | 16路双向音频 |
光接口可选FC/ST，单纤或双纤
距离可选2km~100km
