SAMSUNG
DCS-816
Installation Manual
2-1
PART 2. INSTALLING THE BASIC KSU
2.1 System Configuration and Capacity
The DCS-816 system consists of the basic Key Service Unit (KSU), option cards, trunk interface
cards, interface modules and digital keysets. The KSU is a single metal cabinet, and in its basic
form has 16 station ports: twelve (12) keyset ports and four (4) SLT (single line telephone) ports.
Additionally, the KSU contains one (1) trunk expansion slot, two (2) option connectors and miscel-
laneous circuits: one (1) external page interface, one (1) general-purpose dry contact and one (1)
music interface selectable to internal built-in music (a melody chip) or external music.
Two types of telephones can be connected to the system: proprietary digital stations called "key-
sets" that connect to Digital Line Interface (DLI) ports and standard telephone sets, generally
called "single line telephones", that connect to Single Line Interface (SLI) ports.
The Trunk Expansion slot provides an option to select an analogue trunk card or a basic rate inter-
face (BRI) card.
The DCS-816 system also has some option cards to provide serial I/O ports or AA facilities.
The KSU starts with two (2) analogue trunk ports and 16 stations, and the trunk expansion slot
provides a maximum capacity of 10 trunk ports (analogue or digital) and 16 stations.
The maximum system capacity is as follows:
Stations
16 (12 keysets, 4 SLTs)
ISDN channels
8 (4 BRI ports)
Analogue
C.O.
lines
10
Music channel
1 (Internal or External)
External
page
1
General-purpose Dry Contact
1
Serial I/O ports
2 (DB9 connectors)
Auto
Attendant
channels
4
CONFIGURATION NOTES
1. No KDbs (keyset daughterboards for additional DLI or SLI expansion) can be installed.
2. Only one (1) trunk expansion card can be installed.
3. Only one SIO option card and one AA option card can be installed.
4. The system cannot accommodate any cards from other Samsung DCS systems,
except
for DCS Compact BRI cards.
5. Every analogue trunk interface contains an interface for MPD or PRS which is optional.
The MPD or PRS hybrid chips of the DCS system can be used.
