REACH offers GBS services at speeds ranging from nx64k to STM-16 and Wavelength (subject to cable system capabilities and service availability). The table below provides the access speeds and interfaces currently available. Local circuit interfaces are subject to local service providers' capabilities.

Access Speed		Line Interface
56/64k		G.703
nx64k		G.703
T-1/E-1		G.703
T-3, DS-3		G.703
STM-1		G.707, G.783, G.957
STM-4 , STM-16		G.707, G.783, G.957