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Communication Manager Maintenance-Object Repair Procedures
2328 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
The TN2182 is a combined Tone-Clock/Detector circuit pack, providing Tone-Clock functionality
to a non IPSI PN. It provides 8 Enhanced Tone Receiver (ETR) ports. Each of these ports
combines the individual capabilities of a DTMR-PT, a GPTD-PT, and a CLAS-PT. Thus, each
TN2182 port offers any tone-detection function previously provided by a TN748, TN420, or
TN744 Tone Detector board.
The TN2182 also provides either Mu-law or A-law tone detection.
Since the TN2182 also provides Tone-Clock function for non IPSI port networks, only one (or
two if your system is duplicated) TN2182 circuit packs may reside in a PN. If more
tone-detection resources are needed, the additional resources must be provided by TN748,
TN420, or TN744 circuit packs.
Tone-Clock and the Reliability Configuration
S8700 IP
A Tone Clock circuit resides on each IPSI board. For increased reliability, there is a duplicated
server, one in active mode and one on standby. However, there is only one control network and
one IPSI per port network as shown in Figure 139
. Therefore there is only one Tone Clock
circuit per port network.