S556-5999-51 и другие
| Компонент | Описание | Производитель | |
| S556-5999-51 | TOKEN RING MAGNETICS |
Bel Fuse Inc. |
 |
| S556-5999-51 | TOKEN RING/FIBER APPLICATION FILTER MODULE |
Bel Fuse Inc. |
|
| S556-5999-53 | 10BASE-TNETWORKCOMPONENTS |
Bel Fuse Inc. |
|