Configuring a Remote Access Modem
You may wish to connect a modem to serial port 1 for remote dial-up access.
The AT&T 2224-CEO modem is recommended.
The 2224-CEO modem has both hardware option switches and software
option parameters that control its operation. This section describes the
recommended settings for both hardware and software options.
Use this information for general guidelines. Different values are possible,
and other modems may be used.
Hardware Option Settings
The 2224-CEO modem has eight hardware option switches accessible from
the front panel. The option switch-bank S 1 is located under a cover near
the left end of the front panel, to the right of the speaker grill. To gain
access to the switches, slide the cover upwards.
The option switches should be set UP (U) or DOWN
(D)
as follows
(07 and 051 are software options discussed in the next section):
End S1-1 S1-2 S1-3 S1-4, 5 & 6 S1-7 S1-8 o7
Local U D D D U D U D y
Remote
D
D
D
D U D
D
D
n
The factory setting for all switches is down. After the option switches are
set, the reset switch (also located behind the cover) must be pressed.
The significant switch settings are as follows:
S1-2
S1-3
S1-1
D:
U:
D:
U:
D:
U:
CTS and CD follow DTR.
CTS and CD follow EIA RS-232-C standard.
Option changes enabled.
Option changes disabled.
Enter command mode with carriage return.
Enter commands with at or atz sequence.
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