
82 BCM450 MBM and legacy Norstar configuration
Nortel Business Communications Manager 5.0
Configuration — System
NN40170-501 02.04 Standard
September 2009
Copyright © 2009, Nortel Networks
Variable definitions
Deconfiguring MBMs and Norstar modules
Deconfiguring a previously configured device removes assigned resources to
that device. However, target lines will remain assigned to the same bus. If that
bus is then re-configured with DNs, those target lines will be assigned to those
DNs. Refer to “Directory numbers” on page 16 for more information.
Prerequisites
• If a currently configured MBM is changed to Empty/None or changed to a
different MBM type, all associated provisioned resources are freed and
that MBM is rendered deconfigured and inoperable.
• The line numbers against a T-interface loop cannot be deleted. To remove
the line numbers assigned to a BRI, you must remove the BRI device.
Procedure steps
Step Action
1 Select Configuration > Resources > Telephony Resources.
2 In the Modules section, select the MBM or legacy Norstar module to
deconfigure.
Variable Value
Module type This read-only value is the type of module allocated to this
resource. In this case the value is the type of MBM.
Start DN The lowest DN in the range of DNs assigned to your resource.
The DNs in the range can be consecutive or non-consecutive.
Public received digits/OLI The public received digits/OLI (outgoing line identification) are
the digits that display on the telephone called from this DN over
the public network. This number is usually the same as the DN.
Private received digits/OLI The private received digits/OLI (outgoing line identification) are
the digits that display on the telephone called from this DN over
the private network. This number is usually the same as the DN.
Assign target lines Select this checkbox to assign target lines to your DNs.
Start Line The first line number in the sequence of consecutive lines
assigned to your MBM.
DIP The DIP switch configuration for the installed MBM. Nortel
recommends that you leave the MBM dip switches in the default
position (all set to on).
This variable only applies to an MBM installed in the expansion
unit.The DIP switches must be set in an expansion unit.
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