Specifications

Circuit packs, channel service units, and power supplies
266 Hardware Description and Reference for Avaya Communication Manager
TN2464CP DS1 interface with echo cancellation,T1/E1
The TN2464CP DS1 circuit pack is designed for international use in both category A and
category B. The TN2464CP has echo cancellation circuitry and firmware download capability.
The TN2464CP supports T1 (24-channel) and E1 (32-channel) digital facilities. The TN2464CP
has the same functionality as the TN464HP, which is for US and Canada offers only.
The TN2464CP circuit pack provides:
● Test jack access to the T1/E1 line.
● Circuit-pack-level administrable A-law and Mu-law companding.
● CRC-4 generation and checking (E1 only).
● Support for the 120A channel service unit module.
● CO, TIE, DID, off-premises station (OPS) port types that use robbed-bit signaling protocol,
proprietary bit-oriented signaling (BOS) 24th-channel signaling protocol, or DMI-BOS
24th-channel signaling protocol.
● Unpolarized, balanced-pair, line-out (LO) and line-in (LI) signal leads.
● Support for Russian incoming ANI.
● Support for the enhanced maintenance capabilities of the enhanced integrated channel
service unit (ICSU).
● Support for Avaya Interactive Response.
● Channel-associated signaling protocols for many countries. For details, contact your
Avaya representative.
The TN2464CP can be updated using the firmware download feature, which requires use of the
TN799 C-LAN interface.
TN2501AP voice announcements over LAN (VAL)
The TN2501AP is an integrated announcement circuit pack that:
● Offers up to 1 hour of announcement storage capacity
● Provides shorter backup and restore times
● Is firmware downloadable
● Plays announcements over the TDM bus, similar to the TN750C circuit pack