| 제조업체 | 부품명 | 데이터시트 | 상세설명 |
 National Semiconductor ... | TP3401 |  249Kb/16P | DASL Digital Adapter for Subscriber Loops |
 National Semiconductor ... | TP3402 |  249Kb/16P | DASL Digital Adapter for Subscriber Loops |
 National Semiconductor ... | TP3403 |  249Kb/16P | DASL Digital Adapter for Subscriber Loops |
 National Semiconductor ... | TP3404 |  212Kb/14P | Quad Digital Adapter for Subscriber Loops (QDASL) |
 National Semiconductor ... | TP3404V |  212Kb/14P | Quad Digital Adapter for Subscriber Loops (QDASL) |
 National Semiconductor ... | TP3406 |  234Kb/16P | DASL Digital Adapter for Subscriber Loops |
| TP3406V |  234Kb/16P | DASL Digital Adapter for Subscriber Loops |
| TP3410 |  436Kb/32P | TP3410 ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver |
| TP3410J |  436Kb/32P | TP3410 ISDN Basic Access Echo-Cancelling 2B1Q U Transceiver |