1GENERAL 1999.9.15 12:46 PM 페이지10
NX-SERIESHYBRID KEY SYSTEM | GENERAL DESCRIPTION SECTION |
4. HARDWARE DESCRIPTION
4.1 KSU (Key Service Unit)
The KSU of the NX-series is a single cabinet, wall mounted, metal cased unit, containing the following:
●Power Supply
●Processing, switching, and customer memory for all ports.
●Internal music source and External music interface
●2 Power Failure Transfer
●Back-up Battery for memory protection
●Real Time Clock (RTC)
NX-308 SYSTEM
3 Trunk interfaces
1 keyset, 7 Hybrid station interfaces
NX-820 SYSTEM
4 Trunk interfaces
4 KTS and 8 SLT station interfaces
NX-1232 SYSTEM
8 Trunk interfaces
8 hybrid and 8 SLT station interfaces
4.2EXPANSION CARDS & OPTION BOARDS
●NX-2TRKcard provides two loop start trunk interfaces.
▷can be installed NX-820and NX-1232system.
●NX-4TRKcard provides four loop start trunk interfaces.
▷can be installed NX-820and NX-1232system.
●NX-4KLIcard provides four ports for keysets.
▷can be installed NX-820and NX-1232system.
●NX-4SLIcard provides four SLI ports for industry standard single line telephones.
▷can be installed NX-820and NX-1232system.
●NX-4OPXcard provides four OPX line port for industry standard single line telephones and can be connected to PBX lines.
▷can be installed NX-820and NX-1232system.
●NX-8KLIcard provides eight ports for keysets.
▷can be installed NX-820and NX-1232system.
●NX-8SLIcard provides eight SLI port for industry standard single line telephones.
▷can be installed NX-820and NX-1232system.
●NX-MPDboard provides two ports for metering pulse detection.
▷can be installed NX-820and NX-1232system.
●NX-PRSboard provides two ports for polarity reverse signal detection.
▷can be installed NX-820and NX-1232system.
●NX-SMDR/R-MMCboard provides two serial ports for SMDR and
REMOTE MMC.
▷can be installed all NX-SERIESsystem.
●NX-DPH/PAGINGboard provides two DOOR PHONE interface and one EXTERNAL PAGING interface.
▷can be installed all NX-SERIESsystem.
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