Products

Showing 451 to 495 of 3829 products

TN420C - TN744E
Avaya Definity TN573B Switch-Node Interface Circuit Pack

TN573B Switch-Node Interface This card routes circuit packet and control messages. TN573B and higher provides an interface to the single-mode fiber optic transceiver and supports...

TN573B Switch-Node Interface This card routes circuit packet and control messages. TN573B and hig...

In Stock
$199.00
Avaya Definity TN577 Packet Gateway Circuit Pack

Definity TN577 Packet Gateway The Definity TN577 Packet Gateway comes equipped with 4 RS-423 physical ports for X.25 protocol interfaces between the system and adjuncts....

Definity TN577 Packet Gateway The Definity TN577 Packet Gateway comes equipped with 4 RS-423 phys...

In Stock
$399.00
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN591 FP/VSP-CPU (TN591)

Avaya Definity TN591 FP/VSP-CPU (TN591) The Avaya Definity TN591 FP/VSP-CPU will provide users with the capability to retrieve the FP and VSP performance statistics. Features...

Avaya Definity TN591 FP/VSP-CPU (TN591) The Avaya Definity TN591 FP/VSP-CPU will provide users wi...

In Stock
$75.00
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN714 Tone-Clock (TN714)

Avaya Definity TN714 Tone-Clock (TN714) The Avaya Definity TN714 Tone-Clock is a definity tone clock card for Avaya products. Features TN714 Tone-Clock (TN714) Includes Atlas...

Avaya Definity TN714 Tone-Clock (TN714) The Avaya Definity TN714 Tone-Clock is a definity tone cl...

In Stock
$41.99
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN716B Interface 1 Card

Avaya Definity TN716B Interface 1 Card Features Avaya Definity Includes Atlas 1-Year Warranty with Extended Warranty options available!

Avaya Definity TN716B Interface 1 Card Features Avaya Definity Includes Atlas 1-Year Warranty wi...

In Stock
$55.00
TN420C - TN744E
Avaya Definity TN722B DS1 Tie Trunk Circuit Pack

TN722B DS1 Tie Trunk The TN722B connects the 8 ports of multi-appearance hybrid analog and 24 independent trunk connections of digital voice terminals. Features 8...

TN722B DS1 Tie Trunk The TN722B connects the 8 ports of multi-appearance hybrid analog and 24 ind...

In Stock
$65.00
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN725B Speech Synthesizer (TN725B)

Avaya Definity TN725B Speech Synthesizer (TN725B) The Avaya Definity TN725B Speech Synthesizer has 4 ports that send voice message data to telephones to activate leave...

Avaya Definity TN725B Speech Synthesizer (TN725B) The Avaya Definity TN725B Speech Synthesizer ha...

In Stock
$1,125.00
TN420C - TN744E
Avaya Definity TN726B 8-Port Data Line Circuit Pack

TN726B Data Line (8-Ports) The TN726B provides 8 serial asynchronous EIA ports with modem interfaces connected through ADUs to EAI ports on DTE. Features Ports:...

TN726B Data Line (8-Ports) The TN726B provides 8 serial asynchronous EIA ports with modem interfa...

In Stock
$244.00
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN727 Network Control (TN727)

Avaya Definity TN727 Network Control (TN727) The Avaya Definity TN727 Network Control Card is also known as the Switch Interface (SI) board. This board will...

Avaya Definity TN727 Network Control (TN727) The Avaya Definity TN727 Network Control Card is als...

In Stock
$49.00
TN420C - TN744E
Avaya Definity TN735 4-Port MET Line Circuit Pack

TN735 MET Line (4 ports) Provides 4 ports that can connect multi-button electronic telephone sets. Each port has a tip and ring and BT, BR,...

TN735 MET Line (4 ports) Provides 4 ports that can connect multi-button electronic telephone sets...

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Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN736 Power Unit (TN736)

Avaya Definity TN736 Power Unit (TN736) The Avaya Definity TN736 Power Unit will provide users with a power circuit pack for the Avaya/Definity systems. Features...

Avaya Definity TN736 Power Unit (TN736) The Avaya Definity TN736 Power Unit will provide users wi...

In Stock
$49.99
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN741 Tone-Clock (TN741)

Avaya Definity TN741 Tone-Clock (TN741) The Avaya Definity TN741 Tone-Clock provides touch tones, answer-back tones, call progress tones, and trunk transmission test tones. In addition,...

Avaya Definity TN741 Tone-Clock (TN741) The Avaya Definity TN741 Tone-Clock provides touch tones,...

In Stock
$99.00
TN420C - TN744E
Avaya Definity TN742 8-Port Analog Line Circuit Pack

TN742 8-Port Analog Line Circuit Pack The TN742 is a 8-port analog interface in which each port supports one voice terminal with or without message...

TN742 8-Port Analog Line Circuit Pack The TN742 is a 8-port analog interface in which each port s...

In Stock
$36.88
TN420C - TN744E
Avaya Definity TN744C Call Classifier Circuit Pack

Avaya Definity TN744C Call Classifier Circuit Pack The TN744 provides 8 ports for tone detection on the TDM (Time Division Multiplexing) bus that will function...

Avaya Definity TN744C Call Classifier Circuit Pack The TN744 provides 8 ports for tone detection ...

In Stock
$37.00
TN420C - TN744E
Avaya Definity TN744D Call Classifier Circuit Pack

Avaya Definity TN744D Call Classifier Circuit Pack The TN744 provides 8 ports for tone detection on the TDM (Time Division Multiplexing) bus that will function...

Avaya Definity TN744D Call Classifier Circuit Pack The TN744 provides 8 ports for tone detection ...

In Stock
$39.00
TN420C - TN744E
Avaya Definity TN744E Call Classifier Circuit Pack

Avaya Definity TN744E Call Classifier Circuit Pack The TN744 provides 8 ports for tone detection on the TDM (Time Division Multiplexing) bus that will function...

Avaya Definity TN744E Call Classifier Circuit Pack The TN744 provides 8 ports for tone detection ...

In Stock
$39.98
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN746 16-Port Analog Circuit Pack

Avaya Definity TN746 16-Port Analog Circuit Pack The TN746 16-Port is an Analog Circuit Pack that supports one voice terminal per port. It does not...

Avaya Definity TN746 16-Port Analog Circuit Pack The TN746 16-Port is an Analog Circuit Pack that...

In Stock
$30.00
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN746B 16-Port Analog Circuit Pack

TN746B 16-Port Analog Circuit Pack (TN746B) The TN746B Analog Circuit Pack provides users with up to 16-Ports. This circuit pack will support one voice terminal...

TN746B 16-Port Analog Circuit Pack (TN746B) The TN746B Analog Circuit Pack provides users with up...

In Stock
$38.99
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN747 CO Trunk (TN747)

Avaya Definity TN747 CO Trunk (TN747) The Avaya Definity TN747 CO Trunk includes 8 CO trunks and supports Loop-Start or Ground-Start Central Office, Foreign Exchange...

Avaya Definity TN747 CO Trunk (TN747) The Avaya Definity TN747 CO Trunk includes 8 CO trunks and ...

In Stock
$69.00
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN747B 8-Port Office Trunk Circuit Pack

TN747B 8-Port Central Office Trunk Circuit Card The TN747B 8-Port Central Office Trunk Circuit Card comes equipped with 8 ports. Each port has Tip and...

TN747B 8-Port Central Office Trunk Circuit Card The TN747B 8-Port Central Office Trunk Circuit Ca...

In Stock
$39.98
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN748B Tone Detector (TN748B)

Avaya Definity TN748B Tone Detector (TN748B) The Avaya Definity TN748B Tone Detector has 4 DTMF receivers and 2 general-purpose receivers to detect call progress tones,...

Avaya Definity TN748B Tone Detector (TN748B) The Avaya Definity TN748B Tone Detector has 4 DTMF r...

In Stock
$49.00
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN748C Tone Detector Circuit Pack

Definity TN748/TN748C Tone Detector Circuit Pack The TN748 is equipped with four touch-tone receivers and two general purpose tone receivers to detect call progress tones,...

Definity TN748/TN748C Tone Detector Circuit Pack The TN748 is equipped with four touch-tone rece...

In Stock
$39.98
Avaya/Definity Circuit Packs TN429 - TN748
Avaya Definity TN748D Tone Dectector Circuit Pack

Definity TN748/TN748D Tone Detector The TN748 is equipped with four touch-tone receivers and two general purpose tone receivers to detect call progress tones, modem answer-back...

Definity TN748/TN748D Tone Detector The TN748 is equipped with four touch-tone receivers and two ...

In Stock
$38.88
TN746B - TN768
Avaya Definity TN750B Announcement Circuit Pack

TN750B Announcement Circuit Pack The TN750B records and stores announcements which are able to be played on demand as part of a calling feature. Features...

TN750B Announcement Circuit Pack The TN750B records and stores announcements which are able to be...

In Stock
$49.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN750C Announcement Circuit Pack

TN750C Announcement Circuit Pack The TN750C records and stores announcements which are able to be played on demand as part of a calling feature. TN750C...

TN750C Announcement Circuit Pack The TN750C records and stores announcements which are able to be...

In Stock
$39.98
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN753 DID Trunk Circuit Pack

TN753 Direct Inward Dialing Trunk (TN753) The TN753 Direct Inward Dialing Trunk comes equipped with 8-ports which are used for wink-start and immediate-start direct inward...

TN753 Direct Inward Dialing Trunk (TN753) The TN753 Direct Inward Dialing Trunk comes equipped wi...

In Stock
$42.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN753B DID Trunk Circuit Pack

TN753B Direct Inward Dialing Trunk The TN753B trunk card will provide users with up to 8-ports of direct inward dialing. These 8-ports can be used...

TN753B Direct Inward Dialing Trunk The TN753B trunk card will provide users with up to 8-ports o...

In Stock
$52.88
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN754 4-Wire DCP Digital Line Circuit Pack

TN754 4 - Wire DCP Digital Line The TN754 comes equipped with 8 asynchronous, 4-wire DCP ports which can connect with the 7400 series and...

TN754 4 - Wire DCP Digital Line The TN754 comes equipped with 8 asynchronous, 4-wire DCP ports wh...

In Stock
$22.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN754B 4-Wire DCP Digital Line Circuit Pack

TN754B 4-Wire DCP Digital Line (TN754B) The TN54B 4 Wire DCP Digital Line Card will provide users with 8 asynchronous and 4-wire DCP ports. This...

TN754B 4-Wire DCP Digital Line (TN754B) The TN54B 4 Wire DCP Digital Line Card will provide users...

In Stock
$39.98
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN754C 4-Wire DCP Digital Line Circuit Pack

TN754C 4-Wire DCP Digital Line The TN754C comes equipped with 8 asynchronous and 4-wire DCP ports. This 4-Wire DCP Digital Line Card can connect with...

TN754C 4-Wire DCP Digital Line The TN754C comes equipped with 8 asynchronous and 4-wire DCP ports...

In Stock
$39.98
TN746B - TN768
Avaya Definity TN756 Tone Detector Circuit Pack

TN756 Tone Detector The TN756 Tone Detector provides 4 touch-tone receivers and two general-purpose tone receivers. This card also provides dial tone detection which is...

TN756 Tone Detector The TN756 Tone Detector provides 4 touch-tone receivers and two general-purpo...

In Stock
$49.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN758 Pooled Modem (TN758)

Avaya Definity TN758 Pooled Modem (TN758) The Avaya Definity TN758 Pooled Modem has two conversion resources ports (such as a trunk data module) for switched...

Avaya Definity TN758 Pooled Modem (TN758) The Avaya Definity TN758 Pooled Modem has two conversio...

In Stock
$25.88
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN759 Processor (TN759)

Avaya Definity TN759 Processor (TN759) The Avaya Definity TN759 Processor will provide users a processor circuit pack for their Avaya / Definity system. Features TN759...

Avaya Definity TN759 Processor (TN759) The Avaya Definity TN759 Processor will provide users a pr...

In Stock
$50.00
TN746B - TN768
Avaya Definity TN760C Tie Trunk Circuit Pack

TN760C Tie Trunk The TN760C Tie Trunk card comes equipped with 4 ports for type 1 or type 5 E&M signaling tie trunks. Each port...

TN760C Tie Trunk The TN760C Tie Trunk card comes equipped with 4 ports for type 1 or type 5 E&...

In Stock
$69.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN760D Tie Trunk (TN760D)

Avaya Definity TN760D Tie Trunk (TN760D) The Avaya Definity TN760D Tie Trunk will provide users with 4 ports used to signal tie trunks. The TN760D...

Avaya Definity TN760D Tie Trunk (TN760D) The Avaya Definity TN760D Tie Trunk will provide users w...

In Stock
$69.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN760E Tie Trunk Circuit Pack

TN760E Tie Trunk The TN760E Tie Trunk card comes equipped with 4 ports for type 1 or type 5 E&M signaling tie trunks. Each port...

TN760E Tie Trunk The TN760E Tie Trunk card comes equipped with 4 ports for type 1 or type 5 E&...

In Stock
$187.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN761 Memory (TN761)

Avaya Definity TN761 Memory (TN761) The Avaya Definity TN761 Memory Circuit Card will provide users a memory board for their Avaya / Definity system. Features...

Avaya Definity TN761 Memory (TN761) The Avaya Definity TN761 Memory Circuit Card will provide use...

In Stock
$74.99
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN762B Hybrid Line Circuit Pack

TN62B Hybrid Line Circuit Card The TN762B Circuit Card has 8 ports that connect to the multi-appearance hybrid analog and digital voice terminals. It has...

TN62B Hybrid Line Circuit Card The TN762B Circuit Card has 8 ports that connect to the multi-appe...

In Stock
$49.99
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN763 Auxiliary Trunk (TN763)

Avaya Definity TN763 Auxiliary Trunk (TN763) The Avaya Definity TN763 Auxiliary Trunk supports 4 trunk-type interfaces between Definity and on-site auxiliary equipment. Features TN763 Auxiliary...

Avaya Definity TN763 Auxiliary Trunk (TN763) The Avaya Definity TN763 Auxiliary Trunk supports 4 ...

In Stock
$64.99
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN763B Auxiliary Trunk Circuit Pack

The TN763B Auxiliary Trunk The TN763B provides 4 ports. Each port has T, R, SZ, SZ1, S, and S1 signal leads used for on-premises applications...

The TN763B Auxiliary Trunk The TN763B provides 4 ports. Each port has T, R, SZ, SZ1, S, and S1 si...

In Stock
$69.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN763C Auxiliary Trunk Circuit Pack

TN763C / TN763D Auxiliary Trunk The TN763C/D Auxiliary Trunk is equipped with 4 ports which have T, R, SZ, SZ1, S, and S1 signal leads....

TN763C / TN763D Auxiliary Trunk The TN763C/D Auxiliary Trunk is equipped with 4 ports which have ...

In Stock
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN765 Processor Interface Circuit Pack

TN765 Processor Interface The TN765 Processor Interface integrates tone generator, tone detection, system clock, and synchronization functions onto one circuit pack. This card comes equipped...

TN765 Processor Interface The TN765 Processor Interface integrates tone generator, tone detection...

In Stock
$64.99
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN767 DS1 (TN767)

Avaya Definity TN767 DS1 (TN767) The Avaya Definity TN767 DS1 Card supports DS1 Digital Connectivity, CO, TIE, DID and OPS Port Types, and ISDN-PRI (Release...

Avaya Definity TN767 DS1 (TN767) The Avaya Definity TN767 DS1 Card supports DS1 Digital Connectiv...

In Stock
$61.88
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN767C DS1 Interface (TN767C)

Avaya Definity TN767C DS1 Interface (TN767C) The Avaya Definity TN767C DS1 Interface will provide users a DSK1 level physical interface to the DS1 facility. This...

Avaya Definity TN767C DS1 Interface (TN767C) The Avaya Definity TN767C DS1 Interface will provide...

In Stock
$49.00
Avaya/Definity Circuit Packs TN750 - TN768
Avaya Definity TN767E DS1 ISDN/PRI Interface Circuit Pack

TN767E DS1 ISDN / PRI Circuit Pack TN767E DS1 ISDN / PRI Circuit Pack supports connectivity for DS1 digital. Features Support for DS1 digital connectivity...

TN767E DS1 ISDN / PRI Circuit Pack TN767E DS1 ISDN / PRI Circuit Pack supports connectivity for D...

In Stock
$78.88

Showing 451 to 495 of 3829 products