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Avaya 12Pt ISDN BRI Line Circuit Pack TN2198BP (700415730) contains 12 ports that interface at the ISDN U reference point. This circuit pack allows connection to the ANSI standard 2-wire U-Interface. The 2-wire interface from the TN2198 connects to an NT1 network interface while the 4-wire interface on the other side of the NT1 can connect to one or two telephones. This circuit pack has a maximum range of up to 18,000 feet (5486 m) from the system to the NT1 device and uses standard protocol ANSI T1.601. It has a 160-kbps line rate consisting of two bearer channels at 64 kbps each, a D-channel at 16 kbps, framing at 12 kbps, and maintenance at 4 kbps. It supports a maximum of 24 telephones or data modules.

Information for each port communicates over two 64-kbps bearer channels called B1 and B2, and over a 16-kbps channel called D-channel, or demand channel. Channels B1 and B2 can be circuit-switched simultaneously while the D-channel is always packet-switched and is used for signaling. The TN2198 requires a packet control circuit pack like the TN778 24-port analog line, that performs all the functions of the TN746B, 16-port analog line circuit pack. Each port supports one telephone, such as the 500 rotary dial analog telephone and 2500 DTMF dial telephones. In a multiple telephone environment, the B channels are shared only on a per-call basis. If the B2 channel is used for data, then the use of B2 by one telephone excludes the other telephones from having access to it. On the other hand, the D-channel is always shared among the telephones. When a device communicates over the D-channel to access B1 or B2, that channel is owned until the call is taken. TN2198 interfaces with the TDM bus and the packet bus in the switch or Definity backplane and terminates with 12 ISDN basic access ports.

With the release of Avaya Definity R9 software, Definity supported upgrading selected circuit packs by downloading firmware to them. This includes the TN2198BP circuit pack with its available firmware updates, Firmware Vintage 1 and Firmware Vintage 2. Both Firmware support Communication Manager 6.x and is compatible with earlier releases back to Definity G3V4. The firmware download capability allows for enhancements and bug fixes without swapping out circuit packs, media modules, or motherboards. As download capabilities are enabled on additional components, the appropriate files and instructions for those downloads can be checked on the Avaya website.

More Product Information

Manufacturer: Avaya
Product Type: Line Circuit Pack
Colour: Gray and Green
Condition: Brand New
Interface: ISDN BRI (2-Wire Interface, 12 Ports)
Maximum Range: 18,000 feet (5486 m)
Compatibility: 500 Rotary Dial Analog Telephone and 2500 DTMF Dial Telephones; TN778 Packet Control Circuit Pack

Avaya 12Pt ISDN BRI Line Circuit Pack TN2198BP (700415730)

Features Users Can Enjoy from Avaya 12Pt ISDN BRI Line Circuit Pack TN2198BP (700415730)

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 the other side of the NT1 may connect to 1 or 2 telephones.
Requires TN778 Packet Control Circuit Pack.
12-ports Interface at the ISDN U reference point.
Each port communicates information over B1 and B2 64-kbps bearer channels, and 16-kbps D-channel.
Each port supports one telephone, such as the 500 rotary dial analog telephone and 2500 DTMF dial telephones.
Maximum range of 18,000 feet (5486 m) from the system to the NT1 device.
Supports a maximum of 24 telephones or data modules.

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