Total Access
®
3000/3010 System Manual
6TAAPP331-1E
TOTAL ACCESS 3000/3010
APP-331
Page 5 of 6
© 2002, ADTRAN, Inc.
Table 2. Total dB Loss at 196 khz and 135 Ohms Worksheet
A. Total length of 26 AWG cable in kft.
____________ kft
B. Calculate total 26 AWG cable loss in dB (A x 3.88)
____________ dB
C. Total length of 24 AWG cable in kft.
____________ kft
D. Calculate total 24 AWG cable loss in dB (C x 2.84)
____________ dB
E. Total length of 22 AWG cable in kft.
____________ kft
F. Calculate total 22 AWG cable loss in dB (E x 2.18)
____________ dB
G. Total length of 19 AWG cable in kft.
____________ kft
H. Calculate total 19 AWG cable loss in dB (G x 1.5)
____________ dB
I.
Calculate total cable loss in dB. (B + D + F + H)
____________ dB
J.
Number of bridge taps
____________
K. Calculate total bridge tap loss (J x 3.0)
____________ dB
L. Number of cable gauge changes
____________
M. Calculate total loss due to cable gauge changes (L x 1.0) ____________ dB
N. Calculate total span loss in dB (I + K + M)
____________ dB
Note: Total loss must be < 35 dB.