Siemens SIMATIC NET SINAUT ST7 System Manual page 196

Installing and putting a TIM into operation
5.4 Options for attachment and settings of the TIM 3 and TIM 4 variants
When shipped, the switches are set as shown in the following figure.
Figure 5-31
Pinout of the X3 jack for the MD3 integrated modem
The X3 connector of the integrated MD3 modem is designed as a 6-pin RJ-12 Western jack.
The pinout is shown in the following table.
Table 5-32 Pinout of the X3 RJ-12 jack for the MD3 integrated modem
Illustration
6
5
4
3
2
1
Standard connecting cable for the RJ-12 port
The connecting cable 6NH7700-3BR60 is supplied with every TIM module with an integrated
MD3 modem. This allows the MD3 modem integrated in the TIM to be connected to an TAE6
telephone outlet.
The connecting cable can also be ordered as a spare under the number shown.
Table 5-33 Standard connecting cable for the RJ-12 port of the integrated MD3 modem
Order no.
6NH7700-3BR60
196
Default settings of the DIL switches SW1 and SW2
Pin no. Signal name Signal direction
1
2
3
4
5
6
Description
Connecting cable with 2 x RJ-12 Western plugs and
snap-on TAE6N plug for connecting a MD3 modem
(RJ-12) to a telephone jack (TAE6N).
Cable length 6 m
E
a2 Bidirectional
b1 Bidirectional
a1
b2 Bidirectional
G
SINAUT ST7 Station control system - System Manual
System Manual, 05/2007, C79000-G8976-C178-06
Remark
Ground
Outgoing wire pair (along with b2)
Incoming wire pair
Outgoing wire pair (along with a2)
Metering pulse
Illustration