In the following diagrams, TR is the 10
0Ω
Terminating Resistor. On the
Vanguard ISDN S/T Daughtercard, the setting of the Terminating Resistor is
controlled by the DIP switch.
Figure 2-15. Short Passive Bus Configuration
Figure 2-16. Extended Passive Bus Configuration
Figure 2-17. Point-to-Point Configuration
ISDN Connection Cables
Each ISDN daughtercard ships with an ISDN connection cable. One end of the
cable attaches directly to the daughtercard, and the other end connects to the
service provider outlet. The connector pinouts are described in the following
sections.