labSNMP

A Python library to control lab PSUs with SNMP protocol.

Development

• Use pip to install pysnmp
• If you have nix with flake support enabled:

  nix develop
  

Wrapper Usage

Get Channel current

python3 power-supply-ctrl.py -t 169.254.0.1 -m wiener get u0 current

Turn channel on

python3 power-supply-ctrl.py -t 169.254.0.1 -m wiener set u0 on

Compile a MIB file to a Python file

Suppose both your source ANSI MIB file and target output director are .:

mibdump.py --mib-source . --mib-source http://mibs.snmplabs.com/asn1/@mib@ --destination-directory . <mib_filename>

Control the Tripp Lite power supply

It has a total of 14 channels.

To control all channels

Set state (an integer) to tlpPduDeviceMainLoadCommand.1

To control a single channel

Set state (an integer) to tlpPduOutletCommand.1.x.

Some interesting commands

tlpDeviceNumDevices
tlpPduCircuitTotalCurrent
tlpPduControlRamp

Control the Wiener crate

It has a total of 12 output channels.

To control a single channel

Set state (an integer) to outputSwitch.x.

Some interesting commands

outputSwitch
outputVoltage
outputCurrent
outputSupervisionBehavior