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3000/3010 System Manual
6TAAPP331-1E
TOTAL ACCESS 3000/3010
APP-331
Page 6 of 6
© 2002, ADTRAN, Inc.
Table 3. Maximum DC Loop Resistance Worksheet
A. Total length of 26 AWG cable in kft. ____________ kft
B. Calculate total 26 AWG DC loop resistance (A x 83) ____________ ohms
C. Total length of 24 AWG cable in kft. ____________ kft
D. Calculate total 24 AWG DC loop resistance (C x 52) ____________ ohms
E. Total length of 22 AWG cable in kft. ____________ kft
F. Calculate total 22 AWG DC loop resistance (E x 32) ____________ ohms
G. Total length of 19 AWG cable in kft. ____________ kft
H. Calculate total 19 AWG DC loop resistance (G x 16) ____________ ohms
I. Cable length from MDF to equipment rack in kft. ____________ kft
J. Calculate office loop resistance (I x 32) ____________ ohms
K. Cable length from customer interface to remote unit (J x 3.0) ____________ kft
L. Calculate customer premises loop resistance (K x 32) ____________ ohms
M. Calculate total loop resistance (B + D + H + J + L) ____________ ohms
N. Consider HDSL t-r resistance in total (M + 5) ____________ ohms
Note: Total resistance must be < 800 ohms.
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