Siemens SINAUT ST7 - Page 42

Mounting and Installation
© Siemens AG 2002 All Rights Reserved 6NH7811-0AA22
MD2 Modem (07/2002)
2-23
4-wire Tapping Point
Fig. 2-12 Connection of an MD2 with a DTE (e.g. TIM) via RS232,
configuration as 4-wire tapping point
Cable 6NH7701-4AL
RS232 RS232
Cable
6NH7700-2AR60
4-wire
tapping
point
LTOP2
overvoltage
protection
6NH9821-0BC12
LTOP2 LTOP2
DTE
MD2
TIM3V
TIM4