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DPT Uplink Card
Install a DPT uplink card in a Cisco 10720 Internet Router on the network.
Step 1
Choose a router with a DPT uplink card to become Node 1 in the four-node DPT ring.
Step 2
Add nodes to the ring by connecting the receive (RX) and transmit (TX) cables. The RX port on one DPT
Step 3
uplink card must be connected to a TX port on the next DPT uplink card.
Table 4-1
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
Figure 4-2
Book Title
4-2
Cable Connections for an Four-Node SRP Ring
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
provides a view of the network when a four-node DPT ring is created.
Chapter 4
Creating a Four-Node Ring Using the Uplink Cards
78-13113-06 B0
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