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146 Chapter 11 Installing telephones and peripherals
P0609324 01
Installing radio-based portable systems
There are three radio-based systems available for the Business Communications Manager system.
Availability depends on the geographical location of the system and is determined by the region
you select for the system during system configuration.
Companion portable system (legacy hardware)
In North America, you can provide cordless access throughout your site using the Companion
cordless system. This system allows you to provide portable units that are twinned with stationary
sets. This allows you to accommodate users who are mobile within the range of the system.
Companion handsets communicate through base stations that are connected to DSMs on the
BCM1000. You can install a maximum of 32 handsets per DSM, since the handsets can use either
of the B bus blocks.
Exceptions: If the system is set to a 3/5 DS30 split, DS30 bus 07 is not available to Companion. If
the system has been configured into Full Double Density (FDD) (BCM 3.0 and newer versions),
then Companion cannot be supported on the system, since there are no B2 bus blocks on this type
of system.
“Mobility services by region” on page 237 lists the region profiles that can accommodate the
Companion system.
Companion sets default to DNs in the 565 to 596 DN range and use the DN type Companion.
The following documentation is available for this system:
• A site survey is required before you can install this system. When you purchase the
Companion system, you are provided with deployment documentation that will assist you in
planning base station locations.
•The Companion Installation and Configuration Guide provides detailed instructions for
installing the base stations, and registering the handsets to the Business Communications
Manager.
• The handset vendors provide a user guide with each set that describes the handset features.
DECT systems (region specific)
A DECT media bay module provides a pathway for a maximum of 32 cordless handsets to access
the Business Communications Manager. The handsets can either be twinned with stationary sets,
or they can act as independent sets.
Up to eight base stations can be deployed around a site. Each base station connects to a port on the
DECT media bay module, which provides both trunk (BRI) and station module functions. The
handsets are registered to a specific base station, but they can also roam between base stations.
Note: The Symbol NetVision telephones are wireless telephones, but to the Business
Communications Manager they appear as IP telephones.