User’s Manual of netMod Network Termination Unit
Connecting an ISDN Device
netMod is equipped with two RJ-45 jacks for ISDN devices connection (see Figure 9). The
subscriber can directly connect up to two devices to the corresponding jacks, or create a
passive bus (S-bus) for the connection of more than two devices (see paragraph
“CREATION OF A PASSIVE BUS (S-BUS)” page 79).
Pin Description
1 not connected
2 not connected
3 RX +
4 TX +
5 TX -
6 RX -
7 not connected
8 not connected
Figure 9: The connection points of ISDN devices to RJ-45 jacks
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