ADTRAN Total Access 3000 - 1.2 System Power Requirements

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6TAENG201-1E

TOTAL ACCESS 3000/3010

ENG-201

Page 5 of 32

Total Access

3000/3010 System Manual

1.2 System Power Requirements

Table 2 illustrates the current draw of each module at -48 V. Table 3 through Table 5

illustrate three different Total Access 3000/3010 arrangements with a current draw

of -48 V. Use Table 6 to determine wire gauge and fuse size. Use Table 8 to

calculate current draw for a single shelf deployment.

Table 2. Current Draw of Each Module At -48 V

Note: * The following equations are used for calculating T1-OR current draw and depend on span powering for

loop equipment and voltage input:

Nominal: (48 V/input voltage * (14.8 + span ohms / 10.16) + 45) mA

Maximum: (48 V/input voltage * (15 + span ohms / 10) + 50) mA

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