6.2. Determining Installation Requirements

Refer to the Applicability column in Table 15, Steps Required for Installing and Configuring the SCX 160 SCxbus Adapter, to determine the steps required for installing and configuring the SCX160 SCxbus Adapter. The user-categories described in the applicability column are:

• Map File:
  • Local: Each node in the multi-node system has its own copy of the Scxmap.dat file, accessible only on that node's hard drive. The local map file contains the information for the node being configured as well as the configuration information of all previously configured nodes. This information is stored on a disk and is transferred to other nodes by copying the local map file from the node just installed to the disk, and then copying the local map file from the disk to the directory of the next node.
  • Global: The Scxmap.dat file is kept on a network server accessible to each node during configuration and whenever a node is initialized. If the global map file is not available, the backup map file in the backup directory on the local node is used for subsequent reinitializations.
• Data Streaming:
  • Non-Blocked: In a non-blocked data streaming configuration, all SCbus data streams (bundles of time slots) in each node are transmitted onto the SCxbus. All resources (voice, analog, digital) are available to any node within the multi-node system.
  • Blocked: In a blocked data streaming configuration, some SCbus data streams are blocked from being transmitted onto the SCxbus. This option is necessary if the total time slot requirement of your multi-node system exceeds the 1024 time slot limitation of the SCxbus. In the blocked data streaming scenario, up to 4,096 time slots can be made available in the multi-node system. The resources for which the time slots are blocked can be shared locally within their local node, but not with other nodes. For more information, see the SCX160 SCxbus Adapter User's Guide.

Table 15. Steps Required for Installing and Configuring the SCX 160 SCxbus Adapter 

Step	Applicability
Section 6.2.1, Registering Network Server Share Name	Map File: Global Data Streaming: all SCX users
Section 6.2.2, Analyzing Node Configuration Requirements	Map File: all SCX users Data Streaming: all SCX users
Section 6.3, Installing the SCX160 SCxbus Adapter	Map File: all SCX users Data Streaming: all SCX users
Section 6.4, Initiating the Node Configuration Process	Map File: all SCX users Data Streaming: all SCX users
Section 6.4.1, Configuring Global Map File	Map File: Global Data Streaming: all SCX users
Section 6.4.2, Configuring the Local Map File	Map File: Local Data Streaming: all SCX users
Section 6.4.3, Selecting Data Streaming (First Node Only)	Map File: all SCX users Data Streaming: all SCX users
Section 6.4.4, Configuring Data Streams - Non-Blocked	Map File: all SCX users Data Streaming: Non-Blocked
Section 6.4.5, Configuring Data Streams - Blocked	Map File: all SCX users Data Streaming: Blocked
Section 6.4.6, Configuring Clocking	Map File: all SCX users Data Streaming: all SCX users
Section 6.4.7, Completing Node Configuration	Map File: all SCX users Data Streaming: all SCX users

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