DOKK / manpages / debian 10 / z8530-utils2 / sccparam.8.en
SCCPARAM(8) System Manager's Manual SCCPARAM(8)

sccparam - Change or list parameters of a scc port

sccinit device parameter [value]

with sccparam you can change or list paramaters (e.g. txdelay, persistance) of a scc port at runtime.

Please read the documentation supplied with the z8530-utils2 package: /usr/share/doc/z8530-utils2/README.debian and /usr/share/doc/z8530-utils2/scc_eng.doc