| Компонент | Описание | Производитель | |
| HC3-5502B-5 | EIA/ITU PABX SLIC with 30mA Loop Feed |
Intersil Corporation |
|
| HC3-5502B-5 | EIA/ITU PABX SLIC with 30mA Loop Feed |
Intersil Corporation |
|
| HC3-5502B1-5 | SLIC Subscriber Line Interface Circuit |
Intersil Corporation |