Central Control Unit
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Alpha PM905ANP Telephone-Entry Control Unit, ‘No-Phone-Bill’ Type System Only
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Alpha PM905A Telephone-Entry Control Unit, ‘Dialer’ Type System Only
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Alpha PM904 Mini No-Phone-Bill Control Cabinet
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Alpha PM900 No-Phone-Bill Control Cabinet
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Alpha NC351A-2 NC300II Series Central Processing Equipment, 512 Station Cap, 8 Master
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Alpha NC351A NC300II Series Central Processing Equipment, 256 Station Cap, 4 Master
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Alpha NC-780 Central Nursecall Control Unit