Product description 41
CPU/Network module -(NT6D39)
The NT6D39 CPU/Network module houses the CPU and Memory circuit
cards used to provide system control and storage of data and programs for
Meridian 1 system option 51 and 61. Each NT6D39 module houses one
CPU and up to 16 network loops required for each Meridian 1 system
option 51 and 61.
For configuration flexibility the NT6D39 CPU/Network module is available
with an AC power supply option or a DC power supply option. These
power supplies provide the voltages to operate the circuit cards located in
the Modules.
For a half group, single CPU system (Meridian 1 system option 51) one
NT6D39 module is required. For a full group, dual CPU system (Meridian
1 system option 61) two NT6D39 Modules are required.
The NT6D39 contains 17 card slots which support the following:
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slots 1
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8: Network cards
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slot 9 : Clock Controller or Serial Data Interface (SDI)
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slot 10: Peripheral Signaling
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slot 11: 3-Port Extender (3PE)
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slot 12: Mass Storage Interface (MSI)/Floppy Disk Interface (FDI)
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slot 13:
SD1
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slot 14: CPU Function
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slot 15: CPU Interface
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slot 16: Changeover Memory Arbitrator (CMA)
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slot 17: Memory
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slot 18: FDWMDU
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System overview 553-3001-100