| Фото | Код позиции | Описание | Цена (USD) | Заказать | |
| Opt-8Z/220 | 1051657 Opt-8Z/220 8-port RS-422 Connection Box, 220VAC for C168 and C218 | $144 | |||
| Opt-8S | 1070165 Opt-8S Opt-8A with Surge Protection | $199 | |||
| Opt-8K | 1125364 Opt-8K 8-port 4-wire RS-422/485 Box with female DB25, 110/220V | $224 | |||
| Opt-8I | 1171821 Opt-8I 8 port RS-422/RS-485 box, female DB25, power adapter, 2KV Op | $442 | |||
| Opt-8F/220 | 1051655 Opt-8F/220 Isolated 8-port RS-422 Box, DB25 female, 220VAC | $388 |
