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TN429D DIOD Trunk Pack

TN429D DIOD Trunk Pack

Features Provides 8 ports for direct inward/outward dialing (DIOD) trunks Each port provides a 2-wire interface to the central office (CO) public…

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TN464F Universal DS1/ISDN PRI Trunk Pack

TN464F Universal DS1/ISDN PRI Trunk Pack

Features Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO, TIE, DID and OPS (Off…

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TN464HP DS1/ISDN PRI Circuit Pack (Refurbished)

TN464HP DS1/ISDN PRI Circuit Pack (Refurbished)

Features Circuit-pack-level, administrable A- or Mu-Law companding CRC-4 generation and checking (E1 only) Stratum-3 clock capability ISDN-PRI T1 or E1 connectivity Line-out (LO) and line-in…

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TN556B BRI ISDN Station Pack

TN556B BRI ISDN Station Pack

Features Provides 12-Ports connecting to ISDN-BRI terminals Each port has TXT, TXR, PXT, and PXR signal leads Up to 8 ports can be…

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TN566B  Multi Function Board

TN566B Multi Function Board

Features 12 Ports connecting to ISDN-BRI terminals Up to 8 ports can be used for adjunct switch application interface (ASAI) links…

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TN568 Definity Audix R4

TN568 Definity Audix R4

Features Component of the ED-1E568 Supports voice mail using an embedded 386EX processor Definity Audix systems can be interconnected to create large voice-mail…

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TN577 Packet Gateway Pack

TN577 Packet Gateway Pack

Features Provides 4 RS-423 physical ports for X.25 protocol interfaces between the system and adjuncts Functions as the data communications interface unit…

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