Crocus SHDSL G703.pdf - FTP Directory Listing

Crocus SHDSL G703.pdf - FTP Directory Listing Crocus SHDSL G703.pdf - FTP Directory Listing

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78 Crocus SHDSL G703 Chapter 5 User manual Step-by-step configuration Accessing SDH networks - examples Below some examples of topologies to access SDH networks are given, using different types of access equipment. To keep the drawings orderly, the ADM symbols are skipped. It must be clear that these drawings are just some examples and do not exclude many other clock configurations and combinations in access topologies. • Example 1: accessing SDH networks using the Crocus SHDSL QUAD DXC When using the Crocus SHDSL QUAD DXC, only one clock can be used by all interfaces of this card. As shown below, this clock can be the station clock or the internal clock. All end-to-end connections running over the QUAD are slaved on this clock: - Using the station clock: - Using the internal clock: As in an SDH network the connections are made to an ADM and not to a DXC, clock slaving on the E1 ports of the SHDSL QUAD is not recommended and this also means that end-user equipment should not generate the clock.

Crocus SHDSL G703 Chapter 5 79 User manual Step-by-step configuration • Example 2: accessing SDH networks using a Crocus SHDSL CV or 2300 In case a Crocus SHDSL CV or 2300 is installed, each interface may have an independent clocking, allowing end-user equipment to generate the clock. - Using a Crocus SHDSL CV: - Using a 2300:

<strong>Crocus</strong> <strong>SHDSL</strong> G703 Chapter 5 79<br />

User manual<br />

Step-by-step configuration<br />

• Example 2: accessing SDH networks using a <strong>Crocus</strong> <strong>SHDSL</strong> CV or 2300<br />

In case a <strong>Crocus</strong> <strong>SHDSL</strong> CV or 2300 is installed, each interface may have an independent clocking,<br />

allowing end-user equipment to generate the clock.<br />

- Using a <strong>Crocus</strong> <strong>SHDSL</strong> CV:<br />

- Using a 2300:

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