The ZL50030 Digital Switch provides switching capacities of 4,096 x 2,048 channels between backplane and local streams, 1,024 x 1,024 channels among local streams, and 2,048 x 2,048 channels among backplane streams. The local connected serial inputs and outputs have 32, 64 and 128 64 kbps channels per frame with data rates of 2.048, 4.096 and 8.192 Mbps respectively. The backplane connected serial inputs and outputs have 128 and 256 64 kbps channels per frame with data rates of 8.192 and 16.384 Mbps respectively.