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DCP Configuration
4-493920-A2-GN31-30 November 1996
Table 4-9
(4 of 4)
Line Dialer Configuration Options — Singleport Mode A
Auto Make Busy: Disable
Nxt Disable Enable
This option is only valid on Model 3921
Plu
s.
Automatic Make Busy. Forces the modem to go off-hook under the following conditions: if a local analog loopback is
performed, a self-test is performed, or if the modem is switched to the service line.
NOTE: This configuration option should only be used when the modem is located behind a user’s Private Branch
Exchange (PBX). The Make Busy Network Interface Module (NIM) must be installed on the COMSPHERE 3000
Series Carrier. Refer to the
COMSPHERE 3000 Series Carrier
, Installation Manual
.
The AT command is S-Register S40=
n
, where
n
is 0 for Disable and 1 for Enable.
MakeBusyVia DTR: Disable
End Disable Enable
Make Busy Via DTR. Determines if the modem goes off-hook when DTR is OFF. Enable this setting if the DTE normally
keeps DTR ON and turns DTR OFF when the DTE cannot accept a call.
NOTE: This configuration option should only be used when the modem is located behind a user’s Private Branch
Exchange (PBX). For 3921
Plus
modems, the Make Busy Network Interface Modules (NIMs) must be installed
on the COMSPHERE 3000 Series Carrier. Refer to the
COMSPHERE 3000 Series Carrier
, Installation Manual
.
The AT command is S-Register S69=
n
, where
n
is 0 for Disable and 1 for Enable.