The OpenStage Busy Lamp Field 40 can be used with an OpenStage 60 HFAOpenStage 40 HFA, OpenStage 40 T, OpenStage 30 T and OpenStage 60 T phones on HiPath 3000, HiPath 4000 and HiPath OpenOffice. Features: 90 additional freely programmable keys with LEDs; function, speed dial or line keys. Available colors: ice blue or lava. At most one Busy Lamp Field per telephone is possible. No combination with an OpenStage Key Modules. When connected to a TDM phone the BLF needs a separate power supply. OpenStage 60/60 G: Only following OpenStage 60/60 G hardware revisions in conjunction with a SW version starting with OpenStage HFA V2 R0.95.0 are supported: OpenStage 60 G HFA ice blue: S30817-S7403-B101-30 or higher OpenStage 60 G HFA lava: S30817-S7403-B103-30 or higher OpenStage 60 HFA ice blue: S30817-S7403-D101-30 or higher OpenStage 60 HFA lava: S30817-S7403-D103-30 or highe