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TN2198 - AVAYA Definity ISDN BRI U Interface (2-Wire) TN556B - AVAYA Definity ISDN-BRI 4-Wire Interface TN2181 - AVAYA Definity 16-Port Digital Circuit Pack (2 Wire)
TN556B - AVAYA Definity ISDN-BRI 4-Wire Interface
List Price: $475.00
Our Price: $245.00
Allows connection to the ANSI standard 2-wire U-interface 2-wire interface from the TN2198 connects to an NT1 network interface. The TN556B provides 12-Ports connecting to ISDN-BRI terminals The AVAYA TN2181 provides 16 Digital Communications Protocol (DCP) ports that can connect to 2-wire terminals.
TN2214B - AVAYA Definity Digital Circuit Pack (2-Wire) TN2224B - AVAYA Definity Digital 24-Port Circuit Pack (2-Wire) TN1654 - AVAYA Definity DS1 Converter
Provides 24 DCP ports that can connect to 2-wire terminals. Provides 24 DCP ports that can connect to 2-wire terminals. Provides for Expansion Port Networks (EPNs) which are remotely located from the Processor Port Network (PPN) at a distance greater than the range of a fiber connection.
TN1655 - AVAYA Definity Packet Interface TN1656 - AVAYA Definity Tape Drive TN2182B - AVAYA Definity Tone Clock, Tone Detector & Call Classifier
Provides the communication path between the SPE and the packet bus in the PPN. The TN1656 is a SCSI tape drive that stores 3 Mb to 120 Mb of system software, including customer translations, bootstrap image, and any core dumps. The TN2182B tone-clock integrates the tone generator, tone detection-call classifier, system clock, and synchronization functions onto 1 circuit pack for all system reliability configurations.
TN2182C - AVAYA Definity Tone Clock, Tone Detector & Call Classifier TN2224 - AVAYA Definity DCP Digital Line Card (2-wire, 24 ports) TN2224CP - AVAYA Definity 24-Port Digital Circuit Pack (2-Wire)
The TN2182C tone-clock integrates the tone generator, tone detection-call classifier, system clock, and synchronization functions onto 1 circuit pack for all system reliability configurations. Provides 24 DCP ports that can connect to 2-wire terminals. Provides 24 DCP ports that can connect to 2-wire terminals.
TN2302AP - AVAYA Definity IP Media Processor TN2312BP - AVAYA Definity IP Server Interface TN2313AP - AVAYA Definity DS1 Interface Card (24 channels)
The TN2302AP IP Media Processor is the H.323 audio platform that provides voice over internet protocol (VoIP) audio access to the switch for local
stations and outside trunks.
The TN2312BP IP server interface (IPSI) provides transport of control messages. The TN2313AP DS1 port circuit pack interfaces a DS1 trunk to the switch backplane by port slots that are standard for DEFINITY products.
TN2464BP - AVAYA Definity DS1 Interface Circuit Pack TN2501AP - AVAYA Definity Voice Announcement over LAN Card TN2793 - AVAYA Definity 24-Port Analog Circuit Pack
Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels). Please call 800-738-8125 for current pricing. Please call 800-738-8125 for current pricing.
TN2793B - AVAYA Definity 24 Port Analog Circuit Pack TN464F - AVAYA Definity Universal DS1/ISDN PRI Circuit Pack TN464GP - AVAYA Definity Universal DS1/PRI Interface
TN464F - AVAYA Definity Universal DS1/ISDN PRI Circuit Pack (107214702)
List Price: $299.99
Our Price: $95.00 Refurbished
TN464GP - AVAYA Definity Universal DS1/PRI Interface (108826884)
List Price: $989.99
Our Price: $99.00 Refurbished
Please call 800-738-8125 for current pricing. The TN464F Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels). The AVAYA Definity TN464GB supports DS1 Rate (24
Digital Channels) and E1 Rate (32 Digital Channels)
TN722B - AVAYA Definity DS1 Tie Trunk TN744D - AVAYA Definity Call Classifier Card TN746B - AVAYA Definity 16-Port Analog Circuit Pack
TN722B - AVAYA Definity DS1 Tie Trunk
List Price: $399.00
Our Price: $125.00
TN744D - AVAYA Definity Call Classifier Card
List Price: $395.00
Our Price: $95.00
TN746B - AVAYA Definity 16-Port Analog Circuit Pack
List Price: $229.99
Our Price: $45.00
8 ports connecting to multi-appearance hybrid analog and digital voice terminals The Definity TN 746 is a 16-port analog interface module which supports one voice terminal with or without LED message waiting indicators.
TN747B - AVAYA Definity CO Trunk Card (8 Ports) TN748D - AVAYA Definity Tone Detector Card TN750C - AVAYA Definity Recorded Announcement Card (16 Channels)
TN747B - AVAYA Definity CO Trunk Card (8 Ports)
List Price: $249.99
Our Price: $65.00
TN748D - AVAYA Definity Tone Detector Card
List Price: $295.00
Our Price: $45.00
The TN747B CO trunk circuit pack has eight ports for loop- or ground-start CO, foreign exchange (FX), and wide area telecommunications service (WATS) trunks. One year warranty.

This item is also known as 63123 and TN748D
The TN750 recorded announcement circuit pack records and stores announcements to be played back on demand as part of a calling feature.
TN753 - AVAYA Definity DID Trunk Card (8 Ports) TN754B TN760B - AVAYA Definity Tie Trunk Card
TN753 - AVAYA Definity DID Trunk Card (8 Ports)
List Price: $245.00
Our Price: $45.00
TN754B
Our Price: $36.86
TN760B - AVAYA Definity Tie Trunk Card
List Price: $265.00
Our Price: $45.00
The TN753B DID trunk circuit pack has eight ports that used for immediate- or wink-start direct inward dialing (DID) trunks. Definity 8-port digital line card, version B - Refurbished

Also known as 63114B, 103981478
One year warranty.

This item is also known as 63140 and TN760B
TN762B - AVAYA Definity Hybrid Line Card (8 Ports) TN763C - AVAYA Definity Auxiliary Trunk Circuit Pack TN763D - AVAYA Definity Auxiliary Trunk Circuit Pack
TN762B - AVAYA Definity Hybrid Line Card (8 Ports)
List Price: $250.00
Our Price: $45.00
TN763C - AVAYA Definity Auxiliary Trunk Circuit Pack
List Price: $395.00
Our Price: $45.00
TN763D - AVAYA Definity Auxiliary Trunk Circuit Pack
List Price: $225.00
Our Price: $65.00
The TN762B hybrid line circuit pack has eight ports that connect to multiappearance hybrid analog and digital telephones. The TN763C provides 4 ports.  Each port has T, R, SZ, SZ1, S, and S1 signal leads. The TN763 auxiliary trunk has four ports. Each port has T, R, SZ, SZ1, S, and S1 signal leads.
TN765 - AVAYA Definity Processor Interface Circuit Pack TN767E - AVAYA Definity DS1/ISDN/PRI Interface (24 Channels) TN768 - AVAYA Definity Tone Clock Controller Card
TN765 - AVAYA Definity Processor Interface Circuit Pack
List Price: $199.99
Our Price: $65.00
TN768 - AVAYA Definity Tone Clock Controller Card
List Price: $265.00
Our Price: $75.00
The TN765 processor interface integrates the tone generator, tone detection, system clock, and synchronization functions onto one circuit pack for use in standard, high, and critical reliability systems. The TN767 DS1 interface circuit pack provides a DSX1-level physical interface to the DS1 facility and require a TN464 DS1 interface circuit pack. One year warranty.
TN771D - AVAYA Definity Maintenance Test Card TN775D - AVAYA Definity EPN Maintenance Circuit Pack TN776 - AVAYA Definity Expansion Interface
TN771D - AVAYA Definity Maintenance Test Card
List Price: $329.00
Our Price: $165.00
TN775D - AVAYA Definity EPN Maintenance Circuit Pack
List Price: $700.00
Our Price: $445.00
TN776 - AVAYA Definity Expansion Interface
List Price: $225.00
Our Price: $75.00
Then TN771D maintenance test card performs maintenance functions for Definity. The TN775D EPN maintenance board is used in maintenance and monitors power failure signals in an EPN cabinet in R7si/r or later. The TN776 Expansion Interface - Connected to the Time Division Multiplexing (TDM) bus in one Port Network (PN) is an interface between that PN and the TDM bus extended to another PN.
TN793 - AVAYA Definity 24-Port Analog Circuit Pack TN793B - AVAYA Definity 24-Port Analog Circuit Pack TN793CP - AVAYA Definity Analog Line Card w/ Caller ID (24 ports)
One year warranty.

This item is also known as TN793 and 63933, 103557468
The AVAYA Definity TN793B card supports 24 analog telephones. The TN793CP is an analog line, 24-port circuit pack.
TN799DP - AVAYA Definity Control Lan (C-LAN) Interface Card TN570C - AVAYA Definity Expansion Interface TN570D - AVAYA Definity Expansion Interface
TN570C - AVAYA Definity Expansion Interface
List Price: $399.99
Our Price: $115.00
Provides TCP/IP connectivity over Ethernet or PPP (Point to Point Protocol) connections to applications. The TN570 Expansion Interface (EI) is an interface between the TDM bus and packet bus, and fiber optic links that interconnect the cabinets.
TN7444C - AVAYA Definity Call Classifier Circuit Pack TN744D - AVAYA Definity Call Classifier Circuit Pack TN747B - AVAYA Definity CO Trunk Card (8 Ports)
TN7444C - AVAYA Definity Call Classifier Circuit Pack
List Price: $295.00
Our Price: $65.00
TN744D - AVAYA Definity Call Classifier Circuit Pack
List Price: $325.00
Our Price: $95.00
TN747B - AVAYA Definity CO Trunk Card (8 Ports)
List Price: $249.99
Our Price: $45.00
The TN7444C features 8 ports of tone detection on the Time Division Multiplexing (TDM) bus. The TN744D features 8 ports of tone detection on the Time Division Multiplexing (TDM) bus. The TN747B CO trunk circuit pack has eight ports for loop- or ground-start CO, foreign exchange (FX), and wide area telecommunications service (WATS) trunks.
TN464HP - AVAYA Definity Universal DS1/ISDN PRI Circuit Pack Repair and Remanufacture of Avaya TN754B Card
The TN464HP supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels). Repair and Remanufacture service on the Avaya Definity TN754B 8-port digital line card.


Also known as 63114B, 103981478