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Hotline Phones.
A Hotline phone should be a standard
phone—not an MLS or MLC-model phone—but can ring any type
of phone. You can specify one alert extension for each Hotline
phone, and you can install multiple Hotline phones, if you wish. A
Hotline phone only requires connection to an available extension
jack (with no Centrex line assigned to the extension). To simplify
programming, we recommend installing Hotline phones and
doorphones on the last available extension jacks on the last
installed 206 module in the equipment controller (if the last module
in the equipment controller is a 206 module with no corresponding
400 module, the last four extension jacks will not have Centrex
lines assigned to them by default).
Auxiliary Equipment.
There area variety of ways to set up fax
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machines, modems, and answering machines to work with the
equipment controller. See Chapter 7 for advice on using this
equipment. To connect a telephone and a fax on the same extension,
see “Combination Extensions” below.
Doorphones.
You can connect up to two proprietary doorphones to the
equipment controller. Like Hotline phones, doorphones only require
connection to an available extension jack (with no Centrex line assigned
to the extension). To simplify programming, we recommend installing
doorphones and Hotline phones on the last available extension jacks on
the last installed 206 module in the equipment controller (if the last
module in the equipment controller is a 206 module with no
corresponding 400 module, the last four extension jacks will not have
Centrex lines assigned to them by default).
Call Reporting Devices.
You can connect a call accounting device to
the SMDR jack on the primary processor module for recording call
activity. (See “Call Reporting Devices (SMDR)” on page 7-7 for more
information.)
In-Range Out-of-Building Protectors.
Installing phones in a different
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building from the equipment controller requires AT&T In-Range
Out-of-Building (IROB) protectors, to prevent damage due to lightning
(installation instructions are included with the protector).
Combination Extensions
You can connect a standard device (such as a standard phone or a fax
machine) on an extension by itself, or you can use an AT&T 267F2 bridging
adapter (only) to combine the standard device with another standard device or
an MLS- or MLC-model phone at one extension jack. You cannot install two
MLS- or MLC-model phones on the same extension, and the combined REN of
two devices on an extension must be no more than 2.0. Figure 2-2 shows how
to connect the two devices to the bridging adapter at a combination extension,
AT&T
267F2
Adapter
Standard Device Only
System Phone or Standard Device
Wall Jack
Figure 2-2. Connecting Two Devices on One Extension
Installing the Equipment
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