Cisco 10720 - Internet Router Installation And Configuration Manual page 66

Creating a Four-Node DPT Ring
Figure 3-16
2
A
Outer ring
Table 3-1
Cable Connections
From Node / Connector
Node 1 / TX side B
Node 2 / TX side B
Node 3 / TX side B
Node 4 / TX side B
Node 1 / TX side A
Node 4 / TX side A
Node 3 / TX side A
Node 2 / TX side A
Cisco 10720 Internet Router Installation and Configuration Guide
3-16
Four-node DPT Ring
1
A
RX
TX
Node 1
B
TX RX
Node 4
RX TX
Inner ring
Node 3
RX
TX
2
Cable Connections for a Four-Node DPT Ring
TX
RX
B
TX
B
Node 2
RX
B
TX
RX
A
To Node / Connector
Node 2 / RX side A
Node 3 / RX side A
Node 4 / RX side A
Node 1 / RX side A
Node 4 / RX side B
Node 3 / RX side B
Node 2 / RX side B
Node 1 / RX side B
Chapter 3 Installing the Cisco 10720 Internet Router
RX
2
A
TX
78-13062-10