1-4
Key Service Unit
Chapter 1 - Introduction
STARPLUS STSe - Installation Manual
August 2005
Software Upgrades
Future software enhancements and upgrades are easily retrofitted and installed in the system.
This will in most cases, provide backward compatibility with existing Starplus hardware, further
reducing the cost to upgrade or add features to an installed system.
Key Service Unit
This diagram illustrates the basic layout of both KSU cabinets, the card slots for the extension
boards, and the locations of the Champ connectors.
Basic Cabinet
The Basic Key Set Unit (BKSU) has mounting holes so that it can be mounted on the wall. The
Main Board Unit (MBU) contains the main CPU – MC68LC302, Memory – the memory size is
1 Mbyte (4Mbit x 2), Data is 512 Kbytes (1 Mbit x 4), and all other system-operating type circuitry
to support the maximum configuration of 28 CO lines and 50 stations.
A power supply board is also installed to provide enough power to support all CO lines, stations,
and daughter board options. The BKSU has an external power switch to turn power on/off to
the BKSU and EKSU.
50-pin amphenol connectors are located on the side of the BKSU to provide the interface for the
Station and CO boards.
Basic
SLIB2
DTIB
or SLIB
LCOB,
PRI, or
T1IB, PRI,
or VMIB
EKSU
BKSU
CO Champ
(Male)
Sta Champ
(Female)
CO Champ
(Male)
Sta Champ
(Female)
LCOB
or T1IB
LCOB
or T1IB
DTIB
or SLIB
S
lot
2
S
lot
3
S
lot
4
S
lot
5
S
lot
6
S
lot
7
S
lot
8
S
lot
9
S
lot
10
S
lot
11
S
lot
12
S
lot
13
T1IB
Содержание STSe Key System
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