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Chapter 2 Telephony hardware 85
Installation and Maintenance Guide
Portable systems
The following sections describe the portable systems that are compatible with the Business
Communications Manager system, and the hardware components that are required.
Companion system components
The Companion system allows portable access from a fixed line. The system consists of the
following hardware components:
• Companion base station — transmits and receives signals between the Business
Communications Manager hardware and portable handsets. You install the base stations on
walls or ceilings. Each base station provides radio coverage for a maximum of 32 cells.
• C3050 portable handset — The C3050 CT2 Plus portable handset is available in Canada
only. The Etiquette C3050 portable handset is available in the USA only. You can assign the
C3050 portable handset a separate telephone number or the same telephone number as a
desktop telephone. The C3050 supports basic features such as call forward, call transfer,
conferencing and visual message waiting indication.
• Remote power interconnect (RPI) Unit — The RPI provides remote power for base station
support. There are two types of RPIs: RPI-8 that supports a maximum of eight base stations
and RPI-16 that supports a maximum of 16 base stations.
Accessories
• Station auxiliary power supply (SAPS) —
provides power for the Business
Communications Manager central answering
position (CAP) module. Can also be used to
extend the loop length between a telephone or
terminal and the Business Communications
Manager hardware from 1,000 to 2,600 feet. You
must use a dedicated cable to connect the two
locations.
• Analog Terminal Adapter 2 (ATA 2) —
converts digital signals to analog signals to
allow communication with analog devices such
as FAX machines, modems and answering
machines. The ATA 2 supports a maximum
transmission rate of 28.8 kbit/s. With a single
line telephone, the ATA 2 supports a long loop
configuration. For more information, refer to
Chapter 13, “Installing Analog Terminal
Adapters,” on page 197.
Note: Companion systems installed in the United States require a keycode to activate the
base stations. Refer to “The Companion cordless system” on page 171.