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PN 88300150
7.2
16-Position DIP-Switches
The MT2834MR PC board contains three pairs of DIP-Switch blocks. Each pair of DIP-Switch blocks is
numbered 1-12 and 13-16, and each pair of DIP-Switch blocks is related to each of the three on-board
modems, as shown below.
7.3
16-Position DIP-Switch Settings
Each individual switch, numbered 1-12 and 13-16, and can be set to either the Up (marked "OPEN") or
Down position. Each of these DIP-Switches controls the following functions for its corresponding on-board
modem.
7.3.1 DIP-Switches #1 - #12
Switch #1
Forced DTR - "DTR"
(Asynchronous/Synchronous Mode/Leased Line/Dial-Up)
The MT2834MR must have a high DTR signal in order to operate. This signal is provided to each modem
by the terminal or computer to which it is attached, through the RS232/V.24 interface on pin 20. If your
terminal is not providing DTR to the modem, you can force the DTR signal DIP-Switch #1.
DTR function normally
DTR forced ON
(Factory Default Setting = UP)
4/3/01
Figure 7-2. DIP-Switches
= Switch #1 UP
= Switch #1 DOWN
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