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DS3/EC1 interface
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Before you begin
Due to the limited cabling space within a rack it is highly recommended to use rack
extensions (see chapter 3) to be able to route the DS3/EC1 cables properly.
If the ECI51 interface paddle boards are not yet installed, mount them in the planned
positions by tightening the four screws (see figure below).
Information related to the location of the EP51 port units and ECI51 interface paddle
boards is given in chapter 5, section
“DS3/EC1 equipment protection rules” (p. 5-41)
Furthermore, the association between the EP51 slots and the protection groups
System cabling and final assembly
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4-50
Lucent Technologies - Proprietary
See notice on first page
365-374-187
Issue 1, December 2005