rspo/tcp/retrytime is a SAP Parameter attribute which is used to control Delay between attempts to establish LPD communication information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
rspo/tcp/retrytime profile paramerter attributes
Delay between attempts to establish LPD communication
( See IF_PARAMETER_TYPES
Check Function Exists:
If an attempt to connect to a remote printer (type U) fails when sending
a print job, a number of retries are made. The number of retries is
limited by rspo/tcp/retries. To enable a wait
time and to relieve the spool work process from further contact attemtps
for this or any other task request, the affected printer is inactivated
for the number of seconds specified here.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.