
User’s Guide
Introduction
A.10
ESI Cordless Handset II connection
Each ESI Cordless Handset II comes with:
• A
charger/cradle
to charge the Handset.
• An
AC adapter
for use with only the charger.
• A
base station
to provide a digital interface between the ESI phone system and ESI Cordless Handset II.
This base station is
line-powered
and thus needs
no
AC power.
•
Wall-mount
(s), a
belt clip
, and a
Quick Reference Guide
.
Base station installation
Due to each site’s unique characteristics, the range and distance information we’ll provide herein is
only approximate.
Characteristics that
positively
affect performance:
•
The base station should be installed so it has a clear line-of-sight with the Cordless Handset.
•
The base station antenna should always be pointed in its uppermost vertical position.
Characteristics that
negatively
affect performance:
•
Large amounts of metal shelving (such as in manufacturing or warehouse areas).
•
Close proximity to (within one mile of) a radio tower.
•
Concrete walls that divide spaces where Cordless Handsets are used (assuming the base stations are in
one location).
Don’t
install the base station:
•
Close to a wall with metal studs.
•
On a metal wall.
•
Next to a device that emits RFI or EMI
1
—
e.g.
, a television, radio, computer, computer printer,
fluorescent light fixture, or fax machine.
•
In a ceiling that has foil-backed insulation.
•
Behind doors that typically are closed, tinted windows, one-way glass, or other areas that limit or
cut off transmission to the Cordless Handset.
Base stations must be installed at least 10 feet apart, regardless of whether the base station is for the
small-model or large-model Cordless Handset.
Don’t
install more than six base stations in one area
(such as a network room). Choose a location at least 30 feet away if more than six base stations are needed
in a building.
Note:
Your facility may be equipped with one or more optional
Cordless Handset II Repeaters
. For more
information about this, consult your System Administrator or your Certified ESI Reseller.
A
Digital
Cordless Handset II base station requires only a line cord to the phone system; AC power
isn’t
needed because the base station receives power from the phone system via the line cord.
An
IP
Cordless Handset II base station receives PoE. If PoE isn’t already being supplied, you’ll need to install
the separately purchased
PoE adapter
(sold in five-packs as ESI part # 5000-0437).
Notes:
If the PoE equipment plugs into AC outlets and a power failure occurs, all IP Cordless Handsets II on the
system will be unable to originate or receive phone calls. Therefore,
either
:
(a.)
use an appropriately
sized uninterruptible power supply (UPS) to power
all
the IP equipment (base station, PoE adapter,
router,
etc.
) involved in making phone calls
or
(b.)
have a traditional phone available for originating and
receiving analog CO calls.
Feedback may result if the Cordless Handset is within three inches of an ESI desktop Feature Phone.
1
RFI
is radio frequency interference.
EMI
is electromagnetic interference.