User`s guide

3-16 Display Terminals

4. Set the S1 switch on the modem circuit board to DCE (Modem 1).

5. Set the RTS/DTR control jumper to DIS position.

See Figure 3-13.

DCE

DTE

Switch

DIS

RTS/DTR

Control

Jumpers

dtmodjmp

Ground

TX-

TX+

RD-

RD+

Figure 3-13: Modem Jumper and Switch Settings

6. Plug the telephone-type connector on one end of the DX LCD

Display serial communications cable into the phone jack labeled

RS232 INPUT on the DX LCD Display.

7. Connect the other end of the serial communications cable into the

adapter marked DX/PC.

8. Connect the DX/PC adapter’s 9-pin connector to a 9 to 9-pin

gender changer.

9. Connect the gender changer to the 9-pin connector of the cable

supplied with the modem.

10. Connect the 25-pin end to Modem 2. See Figure 3-14.