Samsung NX-308 technical manual System Configuration, No. of Stations

1GENERAL 1999.9.15 12:46 PM 페이지8

NX-SERIESHYBRID KEY SYSTEM GENERAL DESCRIPTION SECTION

3. SYSTEM CONFIGURATION

3.1 NX-308 SYSTEM

The basic KSU (Key Service Unit) comes equipped to operate three telephone lines and eight stations. Station #1 is assigned to be used with a keyset and stations #2 through #8 are assigned as keysets or single-line telephones.

The NX-SMDR/R-MMCboard is the SMDR and REMOTE MMC serial interface, and the NX-DPH/PAGINGboard is the door phone and external paging interface. These optional boards can be installed on the base board

3.2 NX-820 SYSTEM

The basic KSU (Key Service Unit) comes equipped to operate four telephone lines and twelve stations. Stations #1 through #4 are assigned to be used with keysets and stations #5 through #12 are assigned for single-line telephones. The NX-820 system accomodates several kinds of expansion card. The NX-2TRK,NX-4TRK,NX-4KLI,NX-4SLI,NX-4OPX,NX-8KLIand NX-8SLIcards may be installed in any of the three expansion slots. By combining these cards, the NX-820system can be increased to its maximum capacity of forty ports. Optionally, the NX-SMDR/R-MMC, NX- DPH/PAGING, NX-MPDand NX-PRSboard can be installed on the base board. The NX-SMDR/R-MMCboard is the SMDR and REMOTE MMC serial interface, the NX-DPH/PAGINGboard is the door phone and external paging interface and the NX-MPD, NX-PRSboard are interface for calculating call cost.

But, maximum keyphone part is restricted to twenty four(24) ports although three NX-8KLIcards are used.

16

12

8

4

4 8 12 20 28 36

No. of Stations

Basic KSU

Basic KSU, one 8 SLI (or 8 KLI) Board and one 4 TRK Card

Basic KSU, one 8 SLI (or 8 KLI) Board and two 4 TRK Cards

Basic KSU and three 4 TRK Cards

Basic KSU, two 8 SLI (or 8 KLI) Boards and one 4 TRK Cards

Basic KSU and three 8 SLI (or 8 KLI) Cards

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