you say you have PCoiP workstations.
on the PCoip workstation (its Teradici), find out its IP address when it boots and prior to you logging in.
After you have the IP address of the workstation. log into your session.
open up the ip address of the workstation in a web browser.
cllck on 'login' on the teradici webpage
(usally no password)
click on the tab that shows the USB's devices conneted.
Write down the VIB and PID of the keyboard.
click on the Bridged USB tab.
under Bridge devices, enter the 4 digit VIB and 4 digit PID.
apply and save.
This will make the keboard visiable to your OS.
reboot the PCoIP workstation.
login and the OS should try to auto load the drivers upon first boot.