Cisco 10720 - Internet Router Spécifications télécharger pdf (Page 57)

CHAPTER

4-1

Book Title

78-13113-06 B0

Creating a Four-Node Ring Using the Uplink Cards

This chapter provides information for creating a four-node ring, either DPT or IEEE 802.17 RPR, using

the DPT or RPR/SRP uplink cards.

DPT Uplink Card

Use Figure 4-1 and Table 4-1 to help organize the cable connections for a four-node DPT ring.

Create a four-node DPT ring by connecting the fiber-optic cables to DPT uplink cards that are installed

in routers on the network.

Figure 4-1 Creating a Four-Node DPT Ring Using DPT Uplink Cards

The TX side B port on Node 1 goes to the RX side A port on the next router, which will become Node

2. The labels above the fiber connectors identify side A (left port) TX and RX, and side B (right port)

TX and RX. (See Figure 4-1 and Table 4-1.)

To create a four-node DPT ring, perform the following steps:

Node 1Node 4

ACTIVE

CARRIER

RX PKT

WRAP

PASS THRU

A B

10720-SR-LC

TX RX TX RX

ACTIVE

CARRIER

RX PKT

WRAP

PASS THRU

A B

10720-SR-LC

TX RX TX RX

Node 2

ACTIVE

CARRIER

RX PKT

WRAP

PASS THRU

A B

10720-SR-LC

TX RX TX RX

Node 3

ACTIVE

CARRIER

RX PKT

WRAP

PASS THRU

A B

10720-SR-LC

TX RX TX RX

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