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61202.086L1-1 ISU 512 User Manual 79
Appendix B
S-Register List
S0 . . . . . AUTO ANSWER . . . . . . Determines how the ISU 512 answers an incoming call.
0=Disable (ISU 512 does not answer call)
1=Enable (ISU 512 answers all calls) (default)
2=Dump all calls
S7 . . . . . CONNECT TIME. . . . . . Determines how long the ISU 512 waits for an outgoing
call to be answered.
15=15 seconds
30=30 seconds (default)
60=1 minute
120=2 minutes
240=4 minutes
S26 . . . . 2047 Test Time . . . . . . . . Determines the amount of test time to allocate for a remote
2047 test. This number is approximately in 1 minute incre-
ments.
0 to 255 (2 min is default)
S32 . . . . DTE DSR . . . . . . . . . . . . Controls the operation of the Data Set Ready signal on the
DTE connectors.
0=Force DSR on always
1=DSR active only during a call
2=DSR active only when network interface is on
S33 . . . . DTE CD . . . . . . . . . . . . . Controls the operation of the Carrier Detect line on the
DTE connectors.
0=Force CD on always
1=CD is active during a call
2=LOCD
3=Off Link Down