Manual:USB Features
Summary
Sub-menu: /system routerboard usb
Package: routerboard (v5) / system (v6)
Not all of the RouterBOARDS with USB ports have the same supported features. This article list all supported USB features by each RouterBOARD.
USB power reset
USB power reset turns off power on USB port for specified time. It is useful when 3G modem needs to be restarted but there is no direct access to it (tower installation).
Available properties:
- duration - Time interval how long power is turned off.
For example, "/system routerboard usb power-reset duration=10s" will turn off power on USB port for 10 seconds.
USB port mode
RB2011 series have micro USB port which operates in host mode when USB device is attached through USB OTG cable. Some vendor cables require forced host mode to recognize connected device.
Available properties:
- mode - Defines USB port mode (automatic | force-host)
USB feature table
Gathered information on routers that have power reset feature
| RouterBOARD | USB ports | Power Reset | USB powering |
| RB OmniTik U-5HnD | 1 | yes | yes |
| RB OmniTik UPA-5HnD | 1 | yes | yes |
| RB SXT | 1 | yes | yes |
| RB2011UAS | 1 | yes | yes |
| RB2011UAS-2HnD | 1 | yes | yes |
| RB411GL | 1 | yes | yes |
| RB411U | 1 | no | yes |
| RB411UAHL | 1 | yes | yes |
| RB411UAHR | 1 | no | no* |
| RB433GL | 1 | yes | yes |
| RB433UAH | 2 | no | yes |
| RB433UAHL | 1 | yes | yes |
| RB435G | 2 | no | yes |
| RB493G | 1 | no | no* |
| RB711UA-2HnD | 1 | yes | yes |
| RB711UA-5HnD | 1 | yes | yes |
| RB750UP | 1 | no | yes |
| RB751G-2HnD | 1 | no | yes |
| RB751U-2HnD | 1 | no | yes |
- * use of USB power injector is required in these models