Toshiba T1800 T24D, T24DIX, T24DIF modem User manual

Modern Installation for the
T1 BOO FanJily
A T24D, T24DIX orT24DIF modem can be installed in the T1800 Family of
computers to communicate with external asynchronous communication devices. These
modems are direct-connect, 2400 baud modems and accept the Hayes command set.
The T24DIX modem offers advanced error correction and data compression features.
The following procedures describe how to install a modem.
PREPARATION TO INSTALL A MODEM
Before you install a modem, the computer must be configured for boot mode. To
check to see if the computer is set up properly, follow these steps:
1.
Turn the computer ON.
2.
Press FN + ESC (popUp) to display the Pop-up Window.
3.
Choose the Mode option, then press the right arrow key to select the Boot option
(if it is not already selected).
4.
Press FN + ESC (popUp) to close the Pop-up Window.
s.
Turn the computer OFF.
WARNING: You must turn the computer OFF before you install a modem.
Failure to do so can damage the computer and the modem.
DISASSEMBLE THE COMPUTER
1.
With power to the T1800 turned OFF, disconnect the AC adapter and all external
cables connected to the computer.
2.
Remove the battery pack, memory card cover (and optional memory card, if
installed), and keyboard as instructed in Chapter 4 of the T1800 Maintenance
Manual (Sections 4.2, 4.3 and 4.4).
71800 Modem Installation Guide
3.
Remove the two Ml.5x6 silver screws holding the modem case in place and
carefully lift out the case. Refer to Figure 1.
NOTE: The modem interface board is attached to the modem case and the
system board, therefore care must be taken to ensure no damage is done to the
connectors on these boards when removing the modem case.
Modem slot cover
Figure 1. Removing the Modem Case
4.
Remove the modem interface board from the modem case.
V!;'~l-l--- PJ703
PJ701 connector
connector
UlAr-~· RJ11 connector plate
Figure 2. Removing the Modem Interface Board
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T1800 Modem Installation Guide
INSTALL THE MODEM
I.
Holding the modem face down over the case, pass the RJll connector through
the bottom of the modem case. Refer to Figure 3.
Modem
RJ11 connector
Figure 3. Aligning the Modem with the Modem Case
2.
Place the modem face down into the case, being careful to keep the wires from
becoming pinched. With even pressure, gently press the card into the case until
it snaps under the two latches.
3.
Turn the modem assembly over (bottom side up), and remove the RJII connector plate by separating the latches that are holding the connector plate and sliding the plate out. Refer to Figure 4.
RJ11 connector plate
Figure 4. Removing the RIll Connector Plate
T1800 Modem Installation Guide
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4.
Slide the RJll connector into its socket so that the notch will be on top when
the modem case is reinstalled. This facilitates easy removal of the modem connector. Press the connector gently until it snaps into place.
REASSEMBLE THE COMPUTER
1.
Replace the modem interface board on the modem case, plugging the PJ701
connector into the modem.
2.
Reinstall the modem case onto the system board. Be careful when connecting
the modem interface board's PJ703 connector to the system board's PlIO connector. Secure the modem case with the two M2.Sx6 screws.
3.
Remove the ground screw and use it to secure the ground cable to the chassis.
Refer to Figure 5.
Ground screw
Figure 5. Ground Screw and Cable
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4.
Open the modem slot cover located on the left side of the computer. Refer to
Figure 1.
s.
Replace the keyboard, optional memory card and/or memory card cover, and
battery pack.
71800 Modem Installation Guide
CONFIGURE THE MODEM
This section describes how to set the modem's serial port assignments, enable the
modem, and turn the modem's power ON.
To configure the modem, follow these steps:
1.
Switch to the directory containing your Toshiba MS-DOS riles (for example,
C:\DOS).
2.
'JYpe test3 and press Enter.
3.
Select 0 (zero) for SETUP and press Enter.
4.
Check the Serial Port and Built-in Modem options. Make sure the communications (COM) port settings reflect how you want to use the modem.
5.
Check the Built-in Modem Power option. Make sure it is set to ON.
6.
Press End to save any changes you may have made. If the settings were not
changed, press ESC.
7.
Press Y to commn your choice. The computer exits SETUP mode.
Before you use the modem, you must make a physical connection to your telephone
line and install communication software.
When not using the modem, conserve battery power by setting the Built-in Modem
Power option to OFE This option can be changed through SETUP or through the Popup Window.
T1800 Modem Installation Guide
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