Installation and First-Time Operation
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Expansion key module Office KBM
⁄
DKBM (optional)
You can connect up to 3 Office KBM expansion key modules with 20 configurable keys each and up
to 3 Office DKBM
[a]
expansion key modules with 3 x 15 configurable keys to your phone. You can
freely combine Office KBM and Office DKBM. Each key has an LED for visual signalling.
n
Connections
n
Connecting the Office KBM
⁄
DKBM expansion key module
• Unplug the phone cord from the socket on the underside of the phone.
• Attach Office KBM
⁄
DKBM expansion key module to the right of the phone until you feel and
hear it snap into place, as indicated in the following figure.
• Plug the cord into the supplementary equipment sockets on the underside of the phone
and the Office KBM
⁄
DKBM expansion key module.
• Feed the connecting cable through the strain relief on the underside of the
Office KBM
⁄
DKBM expansion key module.
• Plug the phone cord back into the socket on the underside of the phone. The expansion key
module Office KBM
⁄
DKBM is now ready for operation.
• Depending on the type of power supply, you may need additional power supply units for
your expansion key modules. If there is an under supply of power, a message appears on the
display. Contact your system administrator for more information.
• Proceed in a similar way if you want to connect other Office KBM
⁄
DKBM expansion key mod-
ules (maximum 3).
Connecting the Office KBM
⁄
DKBM expansion key module
Connecting further Office KBM
⁄
DKBM expansion key modules (symbol on
Office KBM)
Connecting further Office KBM
⁄
DKBM expansion key modules or power supply
(symbol on Office DKBM)
Note:
Always disconnect the phone from the mains first before you connect/disconnect an Office KBM
⁄
DKBM
expansion key module.
or
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Office 80IP
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