AT&T DEFINITY 7100 series Bedienungsanleitung PDF herunterladen (Seite 26)

CONTROL CIRCUIT PACKS

SYSTEM 75 V1, V2, AND V3 AND SYSTEM 75 XEV2

AND XEV3

Maintenance TN731 or TN731B (V1, V2, V3)

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Access to System Access Terminal (SAT)

Monitors Power Units, Processor Circuit Pack, Air Temperature, and

Air Flow

Originates Alarm Calls to INADS (Synchronous)

Provides Synchronous or Asynchronous (TN731B) Remote SAT Access

Network Control TN727 (V1, V2, V3, XEV2, XEV3)

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Continuously Monitors Port Circuit Packs

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Transfers Data to Processor Circuit Packs

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Houses Data Channels for SMDR, PMS, and Remote SAT Access

Processor TN711 (V1) or TN711B (V1, V2, V3)

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Manages Control of Entire System

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2K RAM

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264K ROM/EPROM

Processor TN759 (XEV2, XEV3)

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Manages Control of Entire System

2K RAM

64K ROM/EPROM

Provides EIA connection for SMDR

Memory TN734 (V1, V2, V3)

●

Contains All System Translations

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2 MBYTES RAM Using 88 256K Devices

Memory TN761 (V3, XEV2, XEV3)

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Contains All System Translations

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4 MBYTES RAM

Tape Control TN729 (V1, V2, V3)

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Provides Control and Data Transfer

Tone-Clock TN714 or TN741

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Provides tone and clock generation

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TN741 Provides Clock for Network Synchronization (V2, V3, XEV2,

XEV3)

Tone Detector/Generator TN756 (XEV2, XEV3)

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Provides 4 Touch-tone Receiver Ports and 2 Tone Detector Ports

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Provides tone and clock generation for systems without DS1 trunks

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Use TN714/TN741 and TN748C in systems with DS1 trunks

Tone Detector TN748C (V1, V2, V3, XEV2, XEV3)

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Provides 4 Touch-tone Receiver Ports and 2 Tone Detector Ports

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