| Item | Description | Price | Order |
| OPT 8A | 8-Port RS-232 connection box, female DB25 | $129.00 | Add |
| Opt 8A+ | VHDCI 68 to DB62, 8-Port RS-232 connection box, female DB25 | $145.00 | Add |
| OPT 8B | 8-Port RS-232 connection box, male DB25 | $129.00 | Add |
| Opt 8B+ | VHDCI 68 to DB62, 8-Port RS-232 connection box, male DB25 | $145.00 | Add |
| OPT 8F | 8-Port RS-422 connection box, female DB25, isolation protection (500V), power adpater included | $599.00 | Add |
| Opt 8F+ | VHDCI 68 to DB62, 8-Port RS-422 connection box, female DB25, isolation protection (500V), power adapter included | $649.00 | Add |
| OPT 8I | 8-Port RS-422/RS-485 connection box, female DB25, power adapter included, 2KV Optical Isolation Protection | $749.00 | Add |
| OPT 8K | 8-Port RS-422/RS-485 connection box, female DB25, power adapter included | $359.00 | Add |
| Opt 8K+ | VHDCI 68 to DB62, 8-Port RS-422/RS-485 connection box, female DB25, power adapter included | $419.00 | Add |
| OPT 8S | 8-Port connection box, female DB25, surge protection (25 KV ESD) | $319.00 | Add |
| Opt 8S+ | VHDCI 68 to DB62, 8-Port connection box, female DB25, surge protection (25 KV ESD) | $355.00 | Add |
| OPT 8Z | 8-Port RS-422 connection box, female DB25, power adpater included | $225.00 | Add |
| Opt 8Z+ | VHDCI 68 to DB62, 8-Port RS-422 connection box, female DB25, power adapter included | $249.00 | Add |
| Opt8I+ | VHDCI 68 to DB62, 8-Port RS-422/RS-485 connection box, female DB25, power adapter included, 2KV Optical Isolation Protection | $749.00 | Add |
| OPT8-M9 | DB62 male to 8-Port DB9 male RS-232 connection box | $179.00 | Add |
| Opt8-M9+ | VHDCI 68 to DB62, DB62 male to 8-Port DB9 male RS-232 connection box | $219.00 | Add |
| OPT8-RJ45 | DB62 male to 8-Port RJ45 RS-232 connection box | $179.00 | Add |
| OPT8-RJ45+ | DB62 male to 8-Port RJ45 RS-232 connection box | $185.00 | Add |