MT90812 - Integrated Digital Switch (IDX)

By integrating key functions needed in voice telecom application, the Integrated Digital Switch (IDX) provides a solution-on-a-chip for key telephone systems, PBX applications or CTI designs.

Figure 2 shows a typical configuration.

• 192 channel x 192 channel non-blocking switching 2 local bus streams @ 2Mb/s supports up to 64 channels In TDM mode, the expansion bus supports up to 128 channels at 8.192 Mb/s Rate conversion capability between local and expansion bus streams Integrated conference bridge, supporting 15 parties over 5 bridges Integrated PLL Frequency Shift Keying (FSK) 1200 baud transmitter, meeting Bell 202 or CCITT V.23 standards 32 channel.