Compaq GS320 Installation And User Manual page 267

Plug the power cord of the terminal server into AC input box 1 (the bottom AC
input box) in the GS80 rack:
North America systems (–CA variant), use outlet J4A.
Europe and Japan systems (–CB and –CC variants), use outlet J1.
Figure C–6 shows the location of these outlets.
If the GS80 system is powered up, the terminal server powers up when it is
plugged in.
Installing a Terminal Server in a GS80 System C-9