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Installing and putting a SINAUT modem into operation
6.5 LTOP line transformer with overvoltage protection
View from above
6.5.2
Connecting up the MD2 modem
The following figures show how the dedicated line modem MD2 is connected up. The LTOP1
or LTOP 2 is connected up over the standard cable that ships with the modem. This cable
has RJ-12 Western plugs at both ends.
Note
Instead of the MD2 modem, the MD2 modem is integrated in a TIM, for example, TIM 32 or
TIM 42 can be used. In this case, the LTOP is also connected up over the standard RJ-12
cable that ships with the TIM.
Please make sure that the MD2 modem has the correct line termination setting:
● For end point 1200 or 2400 bps: 600 ohms
● For end point 19,200 bps: 150 ohms
● For a tapping point: High resistance
Note
Please make sure that the S1 and S2 switches are set correctly in position 1 or 2 as shown
in the following figures!
264
Schematic
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
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