| 377 | |
| 378 | === Revision C |
| 379 | Date: 10/13/2022 |
| 380 | * Bypass USB hub which removes USB signalling from Mini-PCIe sites J9 & J11 and front panel top USB jack. |
| 381 | * Add ESD protection to the microSD, status LED, pushbutton switch, USB 3.0 front panel connector and 4x gigabit connectors |
| 382 | * Add optional resistors to Mini-PCIe J12 pins 6, 28 and 48 for modems, example given Telit LE910C4 modem compatibility |
| 383 | |
| 384 | === Revision D |
| 385 | Date: 01/02/2023 |
| 386 | * Add resistors to enable power for USB when hub is unloaded |