Quick view TN2602AP IP Media Resource 320 - RECERTIFIED 58410 CALL 888-832-4789 The TN2602AP IP Media Resource 320 provides high-capacity voice over Internet protocol (VoIP) audio access to the switch for local stations and outside trunks. Compare
Quick view TN429D DIOD (Direct Inward Outward Dialing) 36113 CALL 888-832-4789 TN429D DIOD (Direct Inward Outward Dialing) (700394547) provides 8 ports for direct inward/outward dialing (DIOD) trunks Each port provides a 2-wire interface to the central office (CO) publich... Compare
Quick view TN429D DIOD (Direct Inward Outward Dialing) - RECERTIFIED 60517 CALL 888-832-4789 TN429D DIOD (Direct Inward Outward Dialing) (700394547) provides 8 ports for direct inward/outward dialing (DIOD) trunks Each port provides a 2-wire interface to the central office (CO) publich... Compare
Quick view TN464D Universal DS1/ISDN Circuit Pack CALL 888-832-4789 The TN464C and later suffix circuit packs support DS1 rate (24 channel) and E1 rate (32 channel) digital facility connectivity. All TN464 suffixes support CO, TIE, DID, and OPS port types using... Compare
Quick view TN464F Universal DS1 / ISDN PRI Interface CALL 888-832-4789 The TN464F and later suffix is required to communicate with CONVERSANT®. The TN464F and later is also required to obtain the enhanced maintenance capabilities of the Enhanced Integrated Channel... Compare
Quick view TN464GP Universal DS1/PRI Interface (108826884) 36860 CALL 888-832-4789 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 signal protocol, proprietary... Compare
Quick view TN464GP Universal DS1/PRI Interface (108826884) - RECERTIFIED 60559 CALL 888-832-4789 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 signal protocol, proprietary... Compare
Quick view TN556B ISDN-BRI 4-Wire Interface CALL 888-832-4789 The TN556 has 12 ports connecting to ISDN-BRI terminals. Each port has TXT, TXR, PXT, and PXR signal leads. Up to eight ports can be used for ASAI links. Each port operates at 192 kbps per second and... Compare
Quick view TN556D ISDN-BRI 4-Wire S/T-NT Interface (12-Ports) CALL 888-832-4789 Provides 12-Ports connecting to ISDN-BRI terminals Each port has TXT, TXR, PXT, and PXR signal leads Up to 8 ports can be used for adjunct switch application interface (ASAI) links Each port operates... Compare
Quick view TN570B Expansion Interface CALL 888-832-4789 The TN570 provides control channel applications and time-slot interchanging between the PPN and EPNs. It is used when ISDN-BRI and/or ASAI is connected in an EPN, and is always used in R7r or later... Compare
Quick view TN570C Expansion Interface CALL 888-832-4789 TN570C circuit packs are used in SREPN (Survivable Remote Expansion Port Network), R7 or later si. Compare
Quick view TN570D Expansion Interface CALL 888-832-4789 The TN570 provides control channel applications and time-slot interchanging between the PPN and EPNs. It is used when ISDN-BRI and/or ASAI is connected in an EPN, and is always used in R7r or later... Compare
Quick view TN742 8-Port Analog Line Circuit Pack CALL 888-832-4789 The TN742 has 16 ports each. Each port has Tip and Ring signal leads. The TN742 supports on-premises (in-building) or off-premises wiring (out-ofbuilding only with AT&T-certified protection... Compare
Quick view TN744C Call Classifier CALL 888-832-4789 The TN744C contains eight ports of tone detection on the Time Division Multiplexing (TDM) bus that function the same as the TN2182. The difference is the TN744C does not support call progress, tone... Compare
