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Request a Quote TN767E Avaya TN767E DS1 / ISDN PRI Interface Circuit Pack The TN767B/C/D supports DS1 Digital Connectivity. The TN767E supports CO, TIE, DID, and Off-Premises Stations (OPS) port types using robbed bit signaling protocol. It also supports ISDN-PRI in Release 6 and higher. The TN767E is required to communicate with conversant and for enhanced maintenance capabilities of the 120A CSU. Avaya TN767E DS1 / ISDN PRI Interface Circuit Pack

Request a Quote DS1 Loopback Jack Avaya DS1 Loopback Jack Avaya DS1 Loopback Jack is used by a technician to test the DS1 span between the system and the network interface point. The loopback jack is required when DC power appears at the interface to the ICSU. The loopback jack isolates the ICSU from the DC power and properly loops the DC span power. It operates with any vintage of TN767E (or later) or TN464F (or later) DS1 circuit packs and with G3V3 EDI release 3 (or later) software. Operates with the 120A2 (or later) Integrated Channel Service Unit (ICSU) only; not 31xx series CSU or other external CSUs or earlier CSUs. Avaya DS1 Loopback Jack