Siemens SINAUT ST7 - Page 106

Installation guide
3.4 Installing the TIM 3V-IE variants in an S7-300
Station control system
106 System Manual, 07/2009, C79000-G8976-C178-07
● DSL router
● Backbone transmission systems such as OTN, PCM30
Two examples are illustrated below.
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Figure 3-3 SIMATIC S7-300 with TIM 3V-IE connected to an FO cable over a SCALANCE X-200
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Figure 3-4 SIMATIC S7-300 with TIM 3V-IE, 1 GPRS access via MD741-1 modem
S7-300 with two WAN attachments
To achieve two connections to a WAN for an S7-300, in other words, classic WAN access
and IP-based access, a TIM 3V-IE Advanced must be used. A TIM 3V-IE is not suitable in
this case, because only one of its two interfaces can be used. The following figure shows
such a configuration.
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Figure 3-5 SIMATIC S7-300 with TIM 3V-IE Advanced with 2 connections to a WAN