AT&T MERLIN LEGEND Release 2.0 Installation Section page 255

Connecting Data Equipment
1. Connect the data terminal to the modem:
a. Using an EIA-232-D cable, connect the SERIAL connector on
the data terminal to the modem.
NOTE:
For any data terminal that has both COM1 and COM2
connectors, make sure you use the one designated for data
transmission. See the customer's system administrator if you
are not sure.
2. Make sure that the modem option settings for speed and parity are
compatible with those of the data terminal. If you are not sure, see the
customer's system administrator or the documentation packaged with
the modem and data terminal.
3. Connect the modem to the MFM in the MLX telephone:
a. Connect one end of a D4BU cord to the modem as described in
the modem's documentation.
b. Connect the other end to the TEL/OTHER jack underneath the
MLX telephone (assuming that the MFM is already installed; if
not, see "Installing the Multi-Function Module" in Chapter 3).
c. Be sure to route the D4BU cord through the telephone's cord
channel.
4. Connect the MLX telephone to the control unit:
a. Connect one end of a D4BU cord to the LINE jack underneath
the MLX telephone.
b. Connect the other end to the appropriate MLX station jack. See
Form 2a, System Numbering—Station Jacks for the appropriate
module and station jack.
5. Connect all power cords to an AC outlet that is not controlled by a wall
switch.
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Data Stations