T3 is the physical layer protocol used by the Digital Signal level 3 (DS-3) multiplexing method in North America. A T3 interface operates at a bit rate of 44.736 mbps. The JUNOS software supports payload scrambling and subrate operation on each physical T3 interface. One encapsulation format, either PPP or HDLC, must be configured for the interface. DS-3 standards supported include:
This chapter discusses the following topics: