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GENERAL
DESCRIPTION
Infinite
816
Key
Telephone
System
day and date, station
that placed the calI,
duration
of the call, and account
code. The
Real Time Clock Unit provides
Executive
telephones
with
an LCD time
and
date
display
and a backup
system
keeps
the
time clock functioning
in case of commer-
cial power failure.
B. Enhanced Model Key Telephone
The Enhanced
Key Telephone
(Figure 200-
3) is a fully modular,
multi-line
keyset with
voice and tone ringing
volume
controls.
It
contains
eight central
of&e
line buttons,
ten feature
buttons,
sixteen Direct Station
Select/Station
Speed Dial buttons,
a dial
pad,
and
an intercom
mode
selection
switch.
All buttons
are of the non-locking
type with easy to see LEDs for quick iden-
tification.
C. Executive Model Key Telephone
The Executive
Key Telephone
(Figure 200-
3) is identical
to the Enhanced
Key Tele-
phone
with the addition
of a 48 character
interactive
LCD display to provide the user
with visual
indication
of call status.
D. Wall Mount Kit
The 8 16 Wall Mount
Kit provides
an at-
tractive,
modular
means
of attaching
8 16
Key Telephones
to any vertical
surface.
E.. Program Module
The plug-in
Program
Module
(PM) provides
the
system
instructions
for feature
and
operating
data.
F.
Phone Box
The Phone Box allows handsf?ee
conver-
sations
to and from locations
that do not
need dialing
privileges.
Phone Boxes may
be substituted
for Key Telephones
on a
one-for-one
basis. Refer to Figure 200-3.
G. Real Time Clock Unit (Replacement)
The Real Time Clock Unit is installed
&
standard
equipment
to provide telephones
with LCD, with a time and date display and
to protect
the time and date from commer-
cial power failure.
H.
Serial Interface
Unit (Replacement)
The Serial
Interface
Unit
is installed
as
standard
equipment
to allow the customer
to track
incoming
and
outgoing,
local
and/or
long distance
calls (SMDR).
I.
Single
Line
Adapter
(SLA)
The Single Line Station
Adapter
(SLAl is a
device which
acts as
a
command
transla-
tor and
hardware
interface
for two
(2)
DTMF sfngle line telephones
(2500 type) or
compatible
devices (cordless
phones,
fax
machines,
modems,
etc...).
This
allows
connection
of these devices to the I@nfre
family
of 'flatpack"
key systems.
Refer to
Figure 200-3.
There
is NO limit to the number
of SLA
adapters
that can be installed
behind
any
one system.
The SIA adapter
is not designed
to directly
support
off-premise
extensions
(OPXl ap-
plications.
If an OPX is desired
on an
Irrj?nf&
'flatpack"
KSU,
additional
cus-
tomer
provided
equipment,
with
an FCC
registered
interface
is required.
J.
Battery
Back-up
Unit
(BBU)
This optional
Battery
Charging
Unit 03BUl
and cabling
can be directly
connected
to
the 8 16 KSU to ma.intafn
complete
system
operation
in the event
of an AC power
fa.ilure.
(Batteries
must
also be provided
separately
as they are not included
with
the BBIJ).
Calls in progress
will continue
without
interruption
when
commercial
power fails.
The BBU will maintain
com-
plete
system
operation
during
a power
outage
for up to 24 hours
depending
on
system configuration,
and battery
size.
200.3
CAPACITY
The 8 16 Key Service Unit (KSU) is housed
in a
wall mountable
cabinet
that contatns
the Key
Service Board
(KSB), power
supply
assembly,
and pre-wired
connectors
for eight CO lines,
sixteen
Key Telephones,
and
eight
intercom
channels.
One external
page port provides
two-
way external
paging
capability.
Two Loud BelI
Control
ports offer programma
ble external
sig-
naling.
One Music-On-Hold
(MOH)
input
al-
lows connection
of an external
music
source
for MOH and Background
Music. Separate
Mu-
sic-On-Hold
and Background
Music
volume
adjustments
are provided
on the KSU. One
alarm
input
allows connection
of an external
alarm or other sensing device.
Low cost Phone
Boxes may be substituted
for Key Telephones
on a one-for-one
basis.
An RS-232C
port
is
provided
for SMDR and data base printouts.
The system
contains
the necessary
interface
circuitry
to enable
complete
system
battery
backup
operation.
In the event of commercial
AC power
interruption,
a 24 volt DC battery
200-4
Issue 1, January 1992
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