Specifications

sTARPLUS@ 616 FLEX
KEY TELEPHONE SYSTEM
SECTION400
SYSTEM CONFIGURATION
400.1 TECHNOLOGY
The STARPLUS 616 FLEX Key Telephone System
is a microprocessor controlled, solid state electronic
switch which distributes communications in a non-
blocking format. All control, switching and interface
circuitry is condensed onto a single printed circuit
board (PCB) located inside the key service unit
(KSU).
Switching is accomplished through a solid state
crosspoint matrix that provides voice path connec-
tions for six (6) central office lines, sixteen (16) key
telephones and six (6) intercom channels.
The central microprocessor is a Z-80 and controls
the crosspoints and central office line relays. It also
controls communications between slave microproc-
essors located in each key telephone.
The 616 FLEX KSU contains all system memory
which is composed of 96K of Read Only Memory
(ROM) and 16K of Random Access Memory (RAM).
The RAM is subdivided so that 3K is used as CPU
working area and 3K is used for customer data base.
The customer data base memory is protected from
loss by a long life lithium battery. A Program Module
contains the operating instructions for the system.
This module can be easily removed and replaced
which allows for upgrading software features.
The system power is regulated by a switching power
supply. This technology provides high efficiency with
low heat. A shielded transformer converts the 117
VAC into logic voltages on a separate power supply
PCB, mounted within the KSU cabinet. Each key
telephone contains a microprocessor and circuitry to
monitor button activity and control lamp (LED) indi-
cations.
Basic, Enhanced and Executive model telephones
all have a built-in speaker which permits voice or
tone calling to the station. In addition, the Enhanced
and Executive model telephones have built-in
speakerphones for Handsfree two-way communica-
tions. (Basic model telephones DO NOT have
speakerphone or Handsfree capability.) All Starplus
model telephones have a Busy Lamp Field (BLF) to
monitor station activity in the system.
Basic, Enhanced and Executive model key tele-
phone sets are all equipped with eight (8) function
buttons and six (6) CO line buttons. In addition
Enhanced and Executive model phones are
equipped with sixteen (16) Direct Station Selection
(DSS) buttons and the Executive telephone is
equipped with an LCD as standard equipment. A
three-position slide switch is provided for easy se-
lection of INTERCOM signaling modes, along with
separate tone ringing and voice volume controls.
For emergency applications, a stand-alone battery
assembly such as the Starplus Battery Back-up Unit
(BBU) may be connected to the battery input termi-
nals on the 616 FLEX KSU. This retains system
power in the event of commercial power failure.
The system offers automatic cut-thru of central office
lines to optionally provided single line telephones.
These instruments can make and receive calls dur-
ing a commercial AC power outage or following a
CPU failure.
400.2 SYSTEM CAPACITY
The STARPLUS 616 FLEX Key Service Unit (KSU)
is housed in a wall mountable cabinet that contains
the Key Service Board (KSB), power supply and
pre-wired connectors for station and CO line inter-
face. The system comes fully configured for 6 CO
lines, 16 key telephones and 6 intercom channels.
One external page port provides two-way external
paging capability. One Loud Bell Control port offers
programmable external signaling. One Music-On-
Hold input allows connection of an external music
source for MOH and background music.
Separate MOH and background music 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.
The system contains the necessary interface cir-
cuitry to enable complete system battery backup
operation. In the event of commercial AC power
interruption, an optional 24 volt DC Battery Back-up
Unit, such as the Starplus Battery Back-up Unit
(BBU) will ensure uninterrupted system operation.
The Battery Back-up Unit (BBU) and batteries must
be provided separately.
ISSUE
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.lANIIARY
1WM
Ann-l