| Компонент | Описание | Производитель | |
| MT88634BV-2 | 0.3-6.0V; central office interface circuit. For PABX, key telephone systems, channel bank, voice mail |
Mitel Networks Corporation |
|
| MT88634BV-4 | 0.3-6.0V; central office interface circuit. For PABX, key telephone systems, channel bank, voice mail |
Mitel Networks Corporation |