| 序号 | 系列型号 | 集成电源 | 通道数 | 传输速率(bps) | 输入电压(VDC) | 封装形式 | 隔离电压 |
| 1 | R232L301D | √ | 1 | 115.2K | 3.3 | DIP | 2500VDC |
| 2 | R232L501D | √ | 1 | 115.2K | 5 | DIP | 2500VDC |
| 3 | R232L302D | √ | 2 | 115.2K | 3.3 | DIP | 2500VDC |
| 4 | R232L502D | √ | 2 | 115.2K | 5 | DIP | 2500VDC |
| 5 | R232L331M | √ | 1 | 115.2K | 3.3 | SMD | 2500VDC |
| 6 | R232L531M | √ | 1 | 115.2K | 5 | SMD | 2500VDC |