The ACC102 is a newer revision of the ACC101 port blocking kit. It removes several legacy I/O covers in exchange for adding additional covers for newer I/O.
Unless PS/2 or Parallel port blockers are needed, ACC102 is preferred.
Comparison Table
| Port Type | ACC101 | ACC102 |
| USB-A | 8 | 8 |
| USB-C | 0 | 1 |
| DB-9 COM | 4 | 4 |
| 3.5mm Audio | 4 | 3 |
| RJ-45 | 2 | 3 |
| DisplayPort | 2 | 4 |
| Mini DisplayPort | 0 | 2 |
| HDMI | 2 | 4 |
| DVI | 2 | 1 |
| PS-2 | 2 | 0 |
| VGA | 1 | 1 |
| DB-19 Parallel | 1 | 0 |
| DC Barrel Jack (5.5MM) | 1 | 1 |