Mounting and Installation 
6NH7811-0AA22 © Siemens AG 2002 All Rights Reserved
2-6  MD2 Modem (07/2002)
2.1.5 Standard Cables for the RS232 and RS485 Ports
The TIM module, one or more MD2 modems or an other terminal with an
appropriate interface can be connected to the 9-pin X1 RS232 socket or X2 RS485
socket.
The following standard cables are available for X1 or X2 connections.
Table 2-4 Standard cables for the RS232 and RS485 ports
Order no. Description Diagram
6NH7701-4AL Cable for connecting the MD2 modem (RS232)
with a TIM3V/TIM4 (RS232) or an other
terminal (DTE) with an identically configured 9-
pin RS232 interface.
Cable length 1.5 m
6NH7701-4DL Cable for connecting the MD2 modem (RS485)
with a TIM3V/TIM4 (RS485) or an other
terminal (DTE) with an identically configured 9-
pin RS485 interface.
Cable length 1.5 m
6NH7701-1CB Cable for connecting two MD2 modems
(RS232) to form a repeater.
Cable length 0.3 m
6NH1701-7AN Cable for connecting the MD2 modem (RS232)
with a TIM11 (RS232) or an other terminal
(DTE) with an identically configured 25-pin
RS232 interface (socket) and slide lock.
Cable length 2.5 m
6NH1701-7BK Cable for connecting the MD2 modem (RS232)
with a TIM011B (RS232) or an other terminal
(DTE) with an identically configured 25-pin
RS232 interface (socket) and screw lock.
Cable length 1.0 m
The following tables show you how the cables mentioned above are configured.
TIM3V/4
DTE
MD2
MD2
TIM11
DTE
MD2
TIM011B
DTE
TIM3V/4
DTE
MD2
MD2
MD2