Cisco Systems PA-POS-1OC3 Guia do Utilizador descarregar pdf (Página 90)

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PA-POS-1OC3 Single-Port Port Adapter Installation and Configuration Guide

OL-6514-04

Chapter 4 Configuring the PA-POS-1OC3

Making a Back-to-Back Connection

Step 1 To connect two PA-POS-1OC3-equipped routers back to back, attach the appropriate cable between the

OC-3 interface port on each PA-POS-1OC3.

By default, the PA-POS-1OC3 uses loop timing mode.

Step 2 To specify that the PA-POS-1OC3 generates the transmit clock internally, add the clock source internal

command to your configuration (see the first router example above: clock source internal).

Note For back-to-back operation, at least one of the connected OC-3 interfaces must be configured to supply

its internal clock to the line.

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Cisco Systems PA-POS-1OC3 Guia do Utilizador Página 90