Samsung NX-308 Technical Manual
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1. SYSTEM OVERVIEWThe NX-series hybrid key system accomodates three kinds of Key Station:NX-308, NX-820 and NX-1232.1.1 NX-308 SYSTEMThe NX-308, with a maximum capacity of three telephone C.O. lines and eightstations, is an analog telephone system designed for the small-sized business.A powerful HM64180R1 digital microprocessor controls all speech paths andsystem functions. The operating program with default memory is stored in non-volatile ROM 27C020. Customer data is stored in RAM 62256 and is protected forup to seven continuous days' loss of system power by a Ni-Cd battery. When ACpower is restored, the Ni-Cd battery is recharged automatically.1.2 NX-820 SYSTEMDesigned for small to medium-sized businesses, the N X - 8 2 0 is an analogtelephone system featuring a maximum capacity of forty (40) ports, made up ofthe combined total of C.O. telephone lines and stations, permitting variousconfigurations. Comprised of a Key Service Unit, expansion boards, electronickeysets and conventional single line telephones, the N X - 8 2 0 offers small ormedium-sized business users flexible control of telephone communications. Apowerful HM64180R1 digital microprocessor controls all speech paths and systemfunctions. The operating program with default memory is stored in non-volatileROM 27C020. Customer data is stored in RAM 681000, and is protected for up toseven continuous days' loss of system power by a Ni-Cd battery. When AC poweris restored, the Ni-Cd battery is recharged automatically.1.3 NX-1232 SYSTEMThe NX-1232 is an analog telephone system designed for small to medium-sizedbusiness. The NX-1232 system has a maximum capacity of forty eight (48) ports,made up of the combined total of C.O. telephone lines and stations, permittingvarious configurations. Comprised of a Key Service Unit, expansion boards,electronic keysets and conventional single line telephones, the NX-1232 systemoffers small or medium-sized business users flexible control of telephonecommunications. A powerful HM64180R1 digital microprocessor controls allspeech paths and system functions. The operating program with default memory isstored in non-volatile ROM 27C020. Customer data is stored in RAM 681000, andis protected for up to seven continuous days' loss of system power by a Ni-Cdbattery. When AC power is restored, the Ni-Cd battery is recharged automatically.NX-SERIES HYBRID KEY SYSTEM GENERAL DESCRIPTION SECTION1 - 2 |
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