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3Com CitelLink NBX 3C01392 16-Port Analog Handset Gateway Card (Refurbished) 3Com CitelLink NBX 3C01392 16-Port Analog Handset Gateway Card (Refurbished)

Key Features: Mfr. Part #: 3C10392 Provides NBX protocol mapping to analog handsets Terminates up to 16 analog tip/ring (2500 series compatible) devices such an analog phone cordless phone speakerphone adjunct...

Our Price: $114.99
3Com 3C10114 NBX 100 4-Port Analog Line Card (Refurbished) 3Com 3C10114 NBX 100 4-Port Analog Line Card (Refurbished)

Key Features: Mfr. Part #: 3C10114 3Com NBX 100 4-Port Analog Line Card Connects up to four Loop Start PSTN telephone lines via four RJ-11 ports Caller ID Support Includes one...

Our Price: $49.00
3Com 3C10114C NBX 100 4-Port Analog Line Card LS (Refurbished) 3Com 3C10114C NBX 100 4-Port Analog Line Card LS (Refurbished)

Key Features: Mfr. Part #: 3C10114C 3Com NBX 100 4-Port Analog Line Card LS Four RJ11 Ports Includes one Power Fail Safe port Requires V4.1 NBX code Condition: Refurbished

Our Price: $40.00
3Com 3C10115 NBX 100 8-Port 10 Base-T Hub Circuit Card (Refurbished) 3Com 3C10115 NBX 100 8-Port 10 Base-T Hub Circuit Card (Refurbished)

Key Features: Mfr. Part #: 3C10115 / 655-0010-01 3Com NBX 100 8-Port 10 Base-T Hub Circuit Card Condition: Refurbished

Our Price: $59.00
3Com 3C10116 NBX 100 T1 Digital Line Card (Refurbished) 3Com 3C10116 NBX 100 T1 Digital Line Card (Refurbished)

The 3Com 3C10116 NBX 100 T1/PRI 24-Port Trunk Card connects to a standard T1 or PRI Circuit. Key Features: Mfr. Part #: 3C10116 One RJ45 Port and one 10M MDIX (switch)...

Our Price: $65.00
3Com 3C10116B NBX 100 T1 Digital Line Card (Refurbished) 3Com 3C10116B NBX 100 T1 Digital Line Card (Refurbished)

Key Features: Mfr. Part #: 3C10116B 3Com NBX 100 T1 Digital Line Card Supports up to 24 DSO (T1) voice channels RJ-45 interface Supports ESF/B8ZS Supports Robbed-bit T1 or PRI services...

Our Price: $79.00
3Com 3C10116C NBX 100 T1 Digital Line Card (Refurbished) 3Com 3C10116C NBX 100 T1 Digital Line Card (Refurbished)

The 3Com 3C10116C terminates a standard voice T1/PRI circuit into the SS3 NBX or NBX 100. Includes an 10 MB MDI uplink port for connecting to a LAN switch port to...

Our Price: $94.00
3Com 3C10116D NBX 100 T1 Digital Line Card (Refurbished) 3Com 3C10116D NBX 100 T1 Digital Line Card (Refurbished)

The 3Com 3C10116D NBX 100 T1/PRI Digital Line Card terminates a voice T1 T1/PRI or Q.SIG slave circuit into the NBX system. Key Features: Mfr. Part #: 3C10116D T1/PRI Digital Line...

Our Price: $129.00
3Com 3C10165C NBX 100 E1 Digital Line Card (Refurbished) 3Com 3C10165C NBX 100 E1 Digital Line Card (Refurbished)

Key Features: Mfr. Part #: 3C10165C 3Com NBX 100 E1 Digital Line Card RJ-48C Connectors Status Lights 10BASE-T Uplink MDI Compatibility: 3Com NBX Software Release 2.6 or higher Condition: Refurbished

Our Price: $659.00
3Com 3C17710 SuperStack 3 Switch 4900 1000BASE-SX 4-Port Module (Refurbished) 3Com 3C17710 SuperStack 3 Switch 4900 1000BASE-SX 4-Port Module (Refurbished)

Key Features: Mfr. Part #: 3C17710 3Com SuperStack 3 Switch 4900 1000BASE-SX 4-Port Module Supporting 4 1000BASE-SX ports using MT-RJ connectors

Our Price: $399.00
3Com Corebuilder 9000 3CB9LG2MC 2-Port Gigabit Ethernet I/O Interface Module (Refurbished) 3Com Corebuilder 9000 3CB9LG2MC 2-Port Gigabit Ethernet I/O Interface Module (Refurbished)

The 3CB9LG2MC 3Com has two 1000Base-SX ports that provide Wire Speed Gigabit performance directly from the CoreBuilder 9000 Switch 4007 & Switch 4007R Gigabit Ethernet Switch Fabric. Key Features: Mfr. Part...

Our Price: $199.00
3Com NBX 100 3C10110 Call Processor Card (Refurbished) 3Com NBX 100 3C10110 Call Processor Card (Refurbished)

Key Features: Mfr. Part #: 3C10110 / 655-0007-01 Handles up to 200 Phones Voicemails and PSTN lines 10Base-T uplink port BNC Expansion Connector Music on hold Serial / Console ports Condition:...

Our Price: $47.99
3Com NBX 100 3C10117 4-Port Analog Terminal Card (Refurbished) 3Com NBX 100 3C10117 4-Port Analog Terminal Card (Refurbished)

The 3C10117 NBX Analog Terminal Card connects up to 4 analog tip/ring (2500 series compatible) devices such as an analog phone cordless phone Group 3 FAX machine speakerphone adjuncts etc. Key...

Our Price: $89.99
3Com NBX 100 3C10117C 4-Port Analog Terminal Card (Refurbished) 3Com NBX 100 3C10117C 4-Port Analog Terminal Card (Refurbished)

The 3C10117C NBX Analog Terminal Card connects up to 4 analog tip/ring (2500 series compatible) devices such as an analog phone cordless phone Group 3 FAX machine speakerphone adjuncts etc. Does...

Our Price: $108.00
3Com NBX Superstack 3 3C17222 Switch 100BASE-FX Module (Refurbished) 3Com NBX Superstack 3 3C17222 Switch 100BASE-FX Module (Refurbished)

3COM NBX Superstack 3 Switch 3C17222 100BASE-FX Module Key Features: Mfr. Part #: 3C17222 Singe port fiber 100 Mbps ethernet connectivity Provides a short haul fiber interface Support for 802.3z full...

Our Price: $129.00
3Com NBX Superstack 3 3C17224 Switch Cascade Module (Refurbished) 3Com NBX Superstack 3 3C17224 Switch Cascade Module (Refurbished)

3COM NBX Superstack 3 Switch 3C17224 Cascade Module Key Features: Mfr. Part #: 3C17224 Allows you to connect two 4400 switches together 2x 3c17224 modules and one 3C17225 cascade cable required...

Our Price: $31.00
3Com NBX NBOX 600-0006-02 Backplane Card (Refurbished) 3Com NBX NBOX 600-0006-02 Backplane Card (Refurbished)

3Com NBX NBOX Backplane Card Key Features: Mfr. Part #: 600-0006-02 6 Slots Compatibility: NPX 100 Condition: Refurbished

Our Price: $25.00
Adtran 1186002F1 MX2820 MUX Card Adtran 1186002F1 MX2820 MUX Card

Key Features: Mfr. Part #: 1186002F1 Provides 1-to-1 redundancy Meets the requirements for NEBS Level 3 Plug-in unit for the MX2820 chassis that provides an M13 multiplexer function to the MX2820...

Our Price: $931.00
Avaya 700501538 B100 Series Memory Card 2GB (Like New) Avaya 700501538 B100 Series Memory Card 2GB (Like New)

Key Features: Flash memory card for Avaya B149m B159, B179

Our Price: $55.99
Avaya 700191323 Remote Access PC Card with Back Up and Restore (Refurbished) Avaya 700191323 Remote Access PC Card with Back Up and Restore (Refurbished)

Key Features: Mfr. Part #: 700191323 Remote Access PC Card with Back Up and Restore Condition: Refurbished

Our Price: $35.00
Avaya 700343460 Embedded Voicemail for IP406 V2 and IP500 V1 (Refurbished) Avaya 700343460 Embedded Voicemail for IP406 V2 and IP500 V1 (Refurbished)

Key Features: Mfr. Part #: 700343460 Embedded Voicemail for IP406 V2 and IP500 V1 Four ports Message storage capacity: 15 hours License not required Four automated attendants: 3 time profiles 12...

Our Price: $249.00
Avaya Definity 700407810 S8300C Media Server (Refurbished) Avaya Definity 700407810 S8300C Media Server (Refurbished)

Key Features: Mnfr Part# 700407810 Installs in the G700, G350 and G250 Media Gateways. Communication Manager (CM) for the S8300C (CM 5.2 and earlier versions)

Our Price: $175.00
Avaya 700431778 IP500 Phone 2 Extension Card (Like New) Avaya 700431778 IP500 Phone 2 Extension Card (Like New)

Key Features: Mfr. Part #: 700431778 Avaya IP500 Phone 2 Card Provides 12 RJ45 ports: The first 2 ports are analog extension ports for the connection of analog telephones. Can be...

Our Price: $161.00
Avaya 700431778 IP500 Phone 2 Extension Card (Refurbished) Avaya 700431778 IP500 Phone 2 Extension Card (Refurbished)

Avaya IP500 Phone 2 Card Key Features: Mfr. Part #: 700431778 Provides 12 RJ45 ports: The first 2 ports are analog extension ports for the connection of analog telephones. Can be...

Our Price: $49.00
Avaya Definity 700463524 TN793CP 24-Port Analog Circuit Card (Refurbished) Avaya Definity 700463524 TN793CP 24-Port Analog Circuit Card (Refurbished)

Key Features: Mfr. Code #: 700463524 TN793CP 24-Port Analog Circuit Card

Our Price: $299.00
Avaya 700479702 IP500 System SD Card A-Law (Like New) Avaya 700479702 IP500 System SD Card A-Law (Like New)

Avaya 700479702 IP500 System SD Card A-Law

Our Price: $37.00
Avaya 700503164 IP500 V2 Daughter Card (Like New) Avaya 700503164 IP500 V2 Daughter Card (Like New)

The Avaya 700503164 IP500 V2 Daughter Card pairs with any IP500 card and features four FXO analog ports. Key Features: Mfr. Part #: 700503164 Connects to IP500 base card - When...

Our Price: $176.00
Avaya 700504031 IP500 VCM 32 V2 Base Card (Like New) Avaya 700504031 IP500 VCM 32 V2 Base Card (Like New)

Key Features: Mfr. Part #: 700504031 The Avaya IP500 VCM 32 V2 base card is functionally identical to the IP500 VCM 32 V1 but it does not include 12 Avaya IP...

Our Price: $103.00
Avaya 700504032 IP500 VCM 64 V2 Base Card (Like New) Avaya 700504032 IP500 VCM 64 V2 Base Card (Like New)

Key Features: Mfr. Part #: 700504032 The Avaya IP500 VCM 64 V2 base card is functionally identical to the IP500 VCM 64 V1 but it does not include 12 Avaya IP...

Our Price: $195.00
Avaya 700504556 IP500 Combination Card (Like New) Avaya 700504556 IP500 Combination Card (Like New)

Key Features: 6 Digital Station ports 2 Analog Extension ports 4 Analog Trunk ports 10 VCM channels 2 is the Maximum per IP500 V2 Control Unit Compatibility: Compatible only with IP500...

Our Price: $239.00
Avaya Definity TN2183 16-Port Analog Circuit Pack (Refurbished) Avaya Definity TN2183 16-Port Analog Circuit Pack (Refurbished)

Key Features: Mnfr Part #: TN2183 Provides 16 ACP analogue extensions that can connect to 2 wire devises like fax machines modems and SLT analogue telephones Replaces TN467 and TN468B Provides...

Our Price: $99.00
Avaya Definity TN2224B 24-Port Digital Circuit Card (Refurbished) Avaya Definity TN2224B 24-Port Digital Circuit Card (Refurbished)

More Information: Provides 24 DCP ports that can connect to 2-wire terminals such as the 2400 6400 8400 or 9400 series digital voice terminals and the 302C attendant console The TN2224B...

Our Price: $39.00
Avaya Definity TN2404 Processor Circuit Card (Refurbished) Avaya Definity TN2404 Processor Circuit Card (Refurbished)

Key Features: Mfr. Part #: TN2404 In R9si systems the TN2404 processor circuit pack replaces the TN790B Increased DRAM memory and flash memory for 16 to 32 Mb Designed to handle...

Our Price: $79.00
Avaya Definity 746-B (Refurbished) Avaya Definity 746-B (Refurbished)

Key Features: 16 port analog interface Each port supports one voice terminal with or without LED and neon message waiting indicators (message waiting indicators not supported off-premise) Supports 500 and 2500...

Our Price: $29.00
Avaya Definity AHF110 TDM/LAN Bus Terminator (Refurbished) Avaya Definity AHF110 TDM/LAN Bus Terminator (Refurbished)

Key Features: Mnfr Part #: AHF110 TDM/LAN bus terminator Compatible with Definity Single Carrier Cabinet (SCC) and Compact Modular Cabinet (CMC)

Our Price: $39.00
Avaya Definity TN1648 System Access and Maintenance Card (Refurbished) Avaya Definity TN1648 System Access and Maintenance Card (Refurbished)

Key Features: Mfr. Part #: TN1648 System Access and Maintenance Card Avaya Definity

Our Price: $399.00
Avaya Definity TN1650B Memory (Refurbished) Avaya Definity TN1650B Memory (Refurbished)

Key Features: Provides 32 Mb of Dynamic Random Access Memory (DRAM) and error detection circuitry to ensure information integrity Used for system software, customer translations, and call processing maintenance

Our Price: $79.00
Avaya Definity TN1654 DS1 Converter (Refurbished) Avaya Definity TN1654 DS1 Converter (Refurbished)

Key Features: Replacement for TN574 DS1 converter circuit pack in R8r or later systems TN1654 converter complex installs in place of conventional fiber and supports from 1 to 4 T1 or...

Our Price: $79.00
Avaya Definity TN1655 Packet Interface for R Only (Refurbished) Avaya Definity TN1655 Packet Interface for R Only (Refurbished)

Key Features: Provides the communication path between the SPE and the packet bus in the PPN Provides the link access procedure on the D-channel (LAPD) for up to 8 192 links...

Our Price: $99.00
Avaya Definity TN1656 Tape Drive (Refurbished) Avaya Definity TN1656 Tape Drive (Refurbished)

Key Features: SCSI tape drive that stores 3 Mb to 120 Mb of system software including customer translations bootstrap image and any core dumps For use with Definity ECS R8r and...

Our Price: $79.00
Avaya Definity TN2181 16-Port Digital Circuit Pack (Refurbished) Avaya Definity TN2181 16-Port Digital Circuit Pack (Refurbished)

Key Features: 16 Digital Communications Protocol (DCP) ports that can connect to 2-wire terminals such as the 6400 and 8400 series digital voice terminals and 302B1 or 302C attendant consoles Also...

Our Price: $38.00
Avaya Definity TN2182 Tone Clock (Refurbished) Avaya Definity TN2182 Tone Clock (Refurbished)

Key Features: The TN2182 integrates the tone generator tone detection system clock and synchronization functions onto one circuit pack for use in standard high and critical reliability systems Supports 8 ports...

Our Price: $29.00
Avaya Definity TN2182B Tone Clock (Refurbished) Avaya Definity TN2182B Tone Clock (Refurbished)

The TN2182B integrates the tone generator tone detection system clock and synchronization functions onto one circuit pack for use in standard high and critical reliability systems. Key Features Supports 8 ports...

Our Price: $19.00
Avaya Definity TN2182C Tone Clock (Refurbished) Avaya Definity TN2182C Tone Clock (Refurbished)

Key Features: Integrates the tone generator tone detection system clock and synchronization functions onto one circuit pack for use in standard high and critical reliability systems Supports 8 ports for tone...

Our Price: $27.00
Avaya Definity TN2198 ISDN-BRI 2 Wire U Interface (Refurbished) Avaya Definity TN2198 ISDN-BRI 2 Wire U Interface (Refurbished)

Key Features: The TN2198 allows connection to the ANSI standard 2-wire U-interface 2-wire interface from the TN2198 connects to an NT1 network interface 4-wire interface on other side of the NT1...

Our Price: $249.00
Avaya Definity TN2214B 2-Wire Digital Circuit Pack (Refurbished) Avaya Definity TN2214B 2-Wire Digital Circuit Pack (Refurbished)

Key Features: Provides 24 DCP ports that can connect to 2-wire terminals such as the 2400 6400 8400 or 9400 series digital voice terminals and the 302C attendant console The TN2214B...

Our Price: $69.00
Avaya Definity TN2214CP 24-Port Digital Circuit Pack (Refurbished) Avaya Definity TN2214CP 24-Port Digital Circuit Pack (Refurbished)

Key Features: Provides 24 DCP ports that can connect to 2-wire terminals such as the 2400 6400 8400 or 9400 series digital voice terminals and the 302C attendant console Can be...

Our Price: $89.00
Avaya Definity TN2224 24-Port Digital Circuit Pack (Refurbished) Avaya Definity TN2224 24-Port Digital Circuit Pack (Refurbished)

Key Features: The TN2224 provides 24 DCP ports that can connect to 2-wire terminals such as the 2400 6400 8400 or 9400 series digital voice terminals and the 302C attendant console...

Our Price: $38.00
Avaya Definity TN2224CP 2-Wire Digital 24-Port Circuit Pack (Refurbished) Avaya Definity TN2224CP 2-Wire Digital 24-Port Circuit Pack (Refurbished)

Key Features: Mfr. Part #: TN2224CP 700059652 Provides 24 DCP Ports Connects 2-Wire Phones Works with 2400 6400 8400 and 9400 digital phones Supported attendant console: 302C Can be upgraded with...

Our Price: $39.00
Avaya Definity TN2302AP IP Media Processor Card (Refurbished) Avaya Definity TN2302AP IP Media Processor Card (Refurbished)

Key Features: Supports hairpin connections and shuffling of calls between TDM connections and IP-IP direct connections Can perform echo cancellation silence suppression fax relay service DTMF detection and conferencing Can be...

Our Price: $39.00
Avaya Definity TN2312AP IP Server Interface (Refurbished) Avaya Definity TN2312AP IP Server Interface (Refurbished)

The TN2312AP IP Server Interface (IPSI) provides the S8700 Media Servers with tone generation tone detection call classification equivalent to a TN2182C and clock generation. TN2312AP IPSI Capabilities The TN2312AP IPSI...

Our Price: $39.00
Avaya Definity TN2313AP DS1 Interface Card (Refurbished) Avaya Definity TN2313AP DS1 Interface Card (Refurbished)

Key Features: Interfaces a DS1 trunk to the switch backplane Compatible with previous 24-channel DS1 circuit packs including the TN464F (V19 and below) the TN2464 (V19 and below) and the TN767E...

Our Price: $79.00
Avaya Definity TN2400/TN2401 Net/Pkt Interface (Refurbished) Avaya Definity TN2400/TN2401 Net/Pkt Interface (Refurbished)

Avaya Definity TN2401/TN2400 Net/Pkt Interface Sandwich Board Assembly for si/i Upgrades Using AMIS Analog Networking software applications up to 485 different locations can be networked Provides network control interface (NETCON) the...

Our Price: $176.00
Avaya Definity TN2401 Net/Pkt Interface - R9si or later (Refurbished) Avaya Definity TN2401 Net/Pkt Interface - R9si or later (Refurbished)

Avaya Definity TN2401 Net/Pkt Interface (R9si or later). More Information In R9si systems the TN2401 Net/Pkt interface replaces the TN794 Provides the functionality of the TN777B network control interface (NETCON) the...

Our Price: $175.00
Avaya Definity TN2402 Processor for CSI (Refurbished) Avaya Definity TN2402 Processor for CSI (Refurbished)

Avaya Definity TN2402 Processor for csi. More Information Processor platform runs at 25 MHz Includes a 32-bit CPU complex and a maintenance processor complex providing serial communications and maintenance functions Terminates...

Our Price: $129.00
Avaya Definity TN2404 Processor - R9si or Later (Refurbished) Avaya Definity TN2404 Processor - R9si or Later (Refurbished)

Avaya Definity TN2404 Processor (R9si or later). More Information In R9si systems the TN2404 processor circuit pack replaces the TN790B Increased DRAM memory and flash memory for 16 to 32 Mb...

Our Price: $140.00
Avaya Definity TN2464 DS1 Interface (Refurbished) Avaya Definity TN2464 DS1 Interface (Refurbished)

Key Features: Supports T1 (24-channel) and E1 (32-channel) digital facilities In ISDN-PRI applications the ISDN D-channel connects to a TN778 packet control and the TN765 packet processor interface (R8 or later...

Our Price: $139.00
Avaya Definity TN2464BP DS1 Interface Circuit Pack (Refurbished) Avaya Definity TN2464BP DS1 Interface Circuit Pack (Refurbished)

Key Features: Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO TIE DID and OPS (Off - Premises Stations) port types using the robbed...

Our Price: $169.00
Avaya Definity TN2464CP DS1 Interface Circuit Pack (Refurbished) Avaya Definity TN2464CP DS1 Interface Circuit Pack (Refurbished)

Key Features: Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO TIE DID and OPS (Off - Premises Stations) port types using the robbed...

Our Price: $249.00
Avaya Definity TN2501AP Voice Announcements Over LAN (VAL) (Refurbished) Avaya Definity TN2501AP Voice Announcements Over LAN (VAL) (Refurbished)

Key Features: Offers up to 1 hour of announcement storage capacity Provides shorter backup/restore times Plays announcements over the TDM bus and is firmware downloadable Provdes 33 ports: 1 dedicated telephone...

Our Price: $99.00
Avaya Definity TN2793 24-Port Analog Circuit Pack (Refurbished) Avaya Definity TN2793 24-Port Analog Circuit Pack (Refurbished)

Key Features: Dual coded 24-port analog line that performs all the functions of the TN746B 16-port analog line circuit pack Each port supports 1 voice terminal such as 500 and 2500...

Our Price: $109.00
Avaya Definity TN2793B 24-Port Analog Circuit Pack (Refurbished) Avaya Definity TN2793B 24-Port Analog Circuit Pack (Refurbished)

Key Features: Dual coded 24-port analog line that performs all the functions of the TN746B 16-port analog line circuit pack Each port supports 1 voice terminal such as 500 and 2500...

Our Price: $119.00
Avaya Definity TN420C Tone Detector Card (Refurbished) Avaya Definity TN420C Tone Detector Card (Refurbished)

Avaya Definity TN420C Tone Detector Card. More Information Detects and analyzes tones on the Time Division Multiplexing (TDM) bus Provides two Network Processing Elements (NPEs) with eight channels that provide four...

Our Price: $69.00
Avaya Definity TN429D Direct Inward/Outward Dialing Card (Refurbished) Avaya Definity TN429D Direct Inward/Outward Dialing Card (Refurbished)

Avaya Definity TN429D DIOD (Direct Inward/Outward Dialing) Card. More Information Provides 8 ports for direct inward/outward dialing (DIOD) trunks Each port provides a 2-wire interface to the central office (CO) public...

Our Price: $399.00
Avaya Definity TN464D Universal DS1/ISDN Circuit Pack (Refurbished) Avaya Definity TN464D Universal DS1/ISDN Circuit Pack (Refurbished)

Avaya Definity TN464D Universal DS1/ISDN Circuit Pack. More Information Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO TIE DID and OPS (Off -...

Our Price: $57.00
Avaya Definity TN464F Universal DS1/ISDN PRI Interface (Refurbished) Avaya Definity TN464F Universal DS1/ISDN PRI Interface (Refurbished)

Avaya Definity TN464F Universal DS1 / ISDN PRI Interface. More Information Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO TIE DID and OPS...

Our Price: $29.00
Avaya Definity TN464GP Universal DS1/PRI Interface (Refurbished) Avaya Definity TN464GP Universal DS1/PRI Interface (Refurbished)

Avaya Definity TN464GP Universal DS1/PRI Interface. More Information Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels) All versions support CO TIE DID and OPS (Off - Premises...

Our Price: $59.00
Avaya Definity TN464HP DS1/ISDN PRI Interface (Refurbished) Avaya Definity TN464HP DS1/ISDN PRI Interface (Refurbished)

Key Features: ISDN-PRI T1 or E1 connectivity Line-out (LO) and line-in (LI) signal leads for unpolarized balanced pairs Support for CO TIE DID and off-premises station (OPS) port types that use...

Our Price: $99.00
Avaya Definity TN553 Packet Data Line (Refurbished) Avaya Definity TN553 Packet Data Line (Refurbished)

Key Features: Provides 12 ports that can connect through a cross-connect field to a TN726B circuit pack Provides software-administrable connections between the Switch Processing Element (SPE) and system access ports Connects...

Our Price: $79.00
Avaya Definity TN556B ISDN-BRI 4-Wire Interface (Refurbished) Avaya Definity TN556B ISDN-BRI 4-Wire Interface (Refurbished)

Provides 12-ports connecting to ISDN-BRI terminals. Each port uses TXT TXR PXT PXR signal leads and ranges up to 3300 feet maximum from the system to the voice terminal. Key Features:...

Our Price: $49.00
Avaya Definity TN556C ISDN-BRI 4-Wire Interface Card (Refurbished) Avaya Definity TN556C ISDN-BRI 4-Wire Interface Card (Refurbished)

Key Features: Man. Part #: TN556C TN556C ISDN-BRI 4-Wire Interface Card Avaya Definity

Our Price: $169.00
Avaya Definity TN556D ISDN-BRI 4-Wire S/T-NT 12-Port Interface (Refurbished) Avaya Definity TN556D ISDN-BRI 4-Wire S/T-NT 12-Port Interface (Refurbished)

Avaya Definity TN556D ISDN-BRI 4-Wire S/T-NT Interface (12-Ports). More Information Provides 12-Ports connecting to ISDN-BRI terminals Each port has TXT TXR PXT and PXR signal leads Up to 8 ports can...

Our Price: $249.00
Avaya Definity TN567 Audix Multi-Function Board (Refurbished) Avaya Definity TN567 Audix Multi-Function Board (Refurbished)

Key Features: Mfr. Part #: TN567 Audix Multi-Function Board

Call for Price
Avaya Definity TN570B Expansion Interface (Refurbished) Avaya Definity TN570B Expansion Interface (Refurbished)

Avaya Definity TN570B Expansion Interface. More Information Provides an interface between the TDM bus and packet bus and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a...

Our Price: $39.00
Avaya Definity TN570C Expansion Interface (Refurbished) Avaya Definity TN570C Expansion Interface (Refurbished)

Avaya Definity TN570C Expansion Interface. More Information Provides an interface between the TDM bus and packet bus and fiber optic links interconnecting cabinets Used in a Port Network (PN) between a...

Our Price: $49.00
   
 

Upgrade And Replace Your Phone System Cards

Keep your business phone systems voicemail updated with our Phone System Cards. They are located and installed into your KSU, Key Service Unit. Most phone system cards will snap into place requiring very little installation. Once it is installed all of your office phones will be updated. Voicemail features and commands can start working again and your voicemail system will be up and running. We carry a variety of phone system cards to fit the model of your business telephone.