USB

Control USB hub port power

Control programmable USB hub ports through the Lager CLI for power management and device connectivity.

Syntax

lager usb [OPTIONS] [NET_NAME] [COMMAND]

Global Options

Option	Description
--box TEXT	Lagerbox name or IP address
--help	Show help message and exit

Arguments

Argument	Description
NET_NAME	USB net name (optional - lists nets if omitted)
COMMAND	Power command: enable, disable, or toggle

Commands

Command	Description
enable	Enable (power on) the USB port
disable	Disable (power off) the USB port
toggle	Toggle the current power state

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Usage

List USB Nets

When invoked without a net name, lists all USB nets on the box:

lager usb --box my-lager-box

Output:

Name    Net Type  Instrument    Channel  Address
USB1    usb       Acroname_Hub  0        USB::123456
USB2    usb       Acroname_Hub  1        USB::123456
CAM_USB usb       YKUSH         0        USB::789012

Control USB Port Power

lager usb NET_NAME COMMAND [--box BOX]

Examples:

# Enable USB port
lager usb USB1 enable --box my-lager-box

# Disable USB port
lager usb USB1 disable --box my-lager-box

# Toggle USB port state
lager usb USB1 toggle --box my-lager-box

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Examples

# List all USB nets
lager usb --box my-lager-box

# Power on a USB port for a camera
lager usb CAM_USB enable --box my-lager-box

# Power off USB port to reset a device
lager usb USB1 disable --box my-lager-box

# Toggle power state (useful for power cycling)
lager usb USB1 toggle --box my-lager-box

# Power cycle a device (disable then enable)
lager usb USB1 disable --box my-lager-box
sleep 2
lager usb USB1 enable --box my-lager-box

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Supported Hardware

Manufacturer	Model	Description
Acroname	USBHub3+	Programmable USB 3.0 hub
Acroname	USBHub2x4	4-port programmable hub
YKUSH	YKUSH3	USB switchable hub

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Notes

• Net names (e.g., USB1, CAM_USB) refer to USB ports configured on your testbed
• Commands are case-insensitive (enable, ENABLE, and Enable all work)
• Useful for power cycling USB devices during testing
• USB hubs must be connected to the box and configured as instruments
• Default net can be set with lager defaults add --usb-net
• Create USB nets with lager nets create <name> usb <channel> <address>