| Компонент | Описание | Производитель | |
| DS2155G | T1/E1/J1 Single-Chip Transceiver |
Dallas Semiconductor |
|
| DS2155G+ | T1/E1/J1 Single-Chip Transceiver |
Dallas Semiconductor |
|
| DS2155GN | T1/E1/J1 Single-Chip Transceiver |
Dallas Semiconductor |
|
| DS2155GN | T1/E1/J1 Single-Chip Transceiver |
Maxim Integrated Products |