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COMSPHERE 3800 Series Modems
9-24 November 1996 3810-A2-GB30-20
Table 9-3
(5 of 6)
Line Dialer Configuration Options
Auto Make Busy: Disable
Nxt Disable Enable
Automatic Make Busy. Forces the modem to go off-hook under the following conditions: a local analog loopback is
performed, a self-test is performed, or if the modem is switched to the service line. This option is only valid with the
Model 381
1 and does not appear on the Model 3810’
s or Model 3820’s LCD.
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 factory default is Disable.
AT command is S-register S40 =
n,
where
n
is 0 for Disable and 1 for Enable.
MakeBusyViaDTR: Disable
Nxt 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 3811 modems, the MakeBusy Network Interface Modules (NIMs) must be installed on the
COMSPHERE 3000 Series Carrier. Refer to the
COMSPHERE 3000 Series Carrier
, Installation Manual.
The factory default is Disable.
AT command is S-register S69 =
n
, where
n
is 0 for Disable and 1 for Enable.
DTR Auto Redial
Nxt Dir 1 Dirs 1-2 Dirs 1-3 Dirs 1-4 Dirs 1-5 Dirs 1-6 Dirs 1-7 Dirs 1-8 Dirs 1-9 Dirs 1-10
DTR Auto Redial. Defines the number of directory locations the modem may access when prior dialing attempts fail. For
example, the selection Dirs1-10 means that all ten directory locations may be tied. The default is directory location 1
only.
DTR Auto Redial represents the same internal setting as that accessed with the Auto Redial configuration option in the
Leased-Line group. However, DTR Auto Redial is in effect (and can be accessed) only if the DTE Dialer Type is
DTR=Dirs.
Dir 1 The modem will use only Directory Location 1 for automatic dial backups.
Dirs 1-2 The modem will use Directory Location 2 in the event of call failure using Directory Location 1.
Dirs 1-3 The modem will use Directory Location 3 in the event of call failure using the preceding entries.
SSS
SSS
Dirs 1-10 The modem will use Directory Location 10 in the event of call failure using the preceding entries.
AT command is S-register S37 =
n
:
S37 = 0 Use Directory Location 1
S37 = 1 Use Directory Locations 1–2
S37 = 2 Use Directory Locations 1–3
S37 = 3 Use Directory Locations 1–4
SS S
SS S
S37 = 9 Use Directory Locations 1–10