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System Planning
System Planning Forms and Guidelines
Note: This manual assumes that the T1 card has been successfully installed
in the DBS Cabinets. See Section 500 - T1 Reference Manual for T1
Installation Instructions.
About the Example
Most forms in the following pages are followed by an example. For these
example forms, it is determined there are four locations across the country to
be networked together as follows:
• The sites are named after their locations -- Northwest (area code 202),
• Each site contains dual-cabinet DBS 96 systems and contain two T1
• The calling traffic between DBS systems is balanced (an even amount of
• Every station is allowed to page anywhere on the network
• A network attendant is located at DBS 1
• Node Route Selection (routing calls to another node for outbound
• TRS is to be used to restrict long distance calls originating from a distant
DBS-2.3/9.2-540
Northeast (area code 303), Southeast (area code 404) and Southwest (area
code 505)
interfaces
traffic is expected between systems). The maximum number of
simultaneous calls between any two DBS systems is expected to be 8 calls
or less.
processing) is to be used for calls in a remote DBS' area code
DBS for some extensions.
T1 Networking - Revised April 2000
System Planning Forms and Guidelines
Page 13
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