SAMSUNG Installation
DCS-816 February, 1999
2-2
2.1.2 216 Base KSU
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 2 analogue trunk ports and 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 miscellaneous 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
"keysets" 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
interface (BRI) card.
The DCS-816 system also has some option cards to provide serial I/O ports or AA facilities.
The KSU starts with 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 system maximum 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 daughter-boards for additional DLI or SLI expansion) can be installed.
2. Only one (1) trunk expansion card can be installed.
3. Only one SIO1 option card and one AA option card can be installed.
4. The system cannot accommodate any cards from other Samsung Digital 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.
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