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Appendix D: S-Register List
S30 .......DTE CTS
S31 .......DTE RTS
S32 .......DTE DSR
S33 .......DTE CD
S34........DTE DTR
S35........DTE CONN
S40 .......BOND TXINIT
112
Controls the operation of the DTE connector CTS line.
0 = Follows RTS
1 = Forced CTS (default)
Controls operation of the RTS line.
0 = 1 ms delay (default)
17 = 18 ms delay
Controls the operation of the Data Set Ready signal on
the DTE connectors.
0 = Force DSR on always (default)
1 = DSR active only during a call
2 = DSR active only when network interface is on
Controls the operation of the Carrier Detect line on the
DTE connectors.
0 = Force CD on always
1 = CD is active during a call (default)
2 = LOCD
3 = Off Link Down
Determines how the ISU 2x64 responds to changes in
DTR.
0 = Ignore DTR (default)
1 = Force AT command mode when DTR is off
2 = Dump incoming call when DTR is off
4 = Hang up incoming call when DTR is off
8 = Hang up outgoing call when DTR is off
40 = Dial #0 if on
60 = Dial/Answer if on
72 = Off on dial #0
Determines which is the current operating DTE con-
nector.
0 = RS-530 connector (default)
1 = V.35 connector
2 = EIA-232
Specifies the number of seconds the originating end-
point attempts to detect the BONDING negotiation
pattern from the answering endpoint before deter-
mining the BONDING call has failed.
0 to 256, 10 sec is default
ISU 2x64 Dual Port ISDN Service Unit User Manual
61200051L1-1D
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