Hardware Strapping
Both Model 3510 and 3511 DSUs can be configured for installation at the local or
remote end of a network by setting onboard straps. The straps also allow you to
configure either type of DSU (Model 3510 or 3511) as a LADS for connection to 4-wire
metallic circuits.
S4
S3
S1
S2
S5
98-12303a
Model 3510 DSU Strap Access
8