User's Guide Part 2

User Guide: PTP 600 Series Test link end hardware
phn-0896_009v003
Feb 2010
UNDER DEVELOPMENT
7-15
Table 7-1 Expected RJ45 cable resistances at the PIDU Plus
Drop cable
length
(meters)
Between pins 1&2,
3&6 , 4&5 and
7&8 (ohms)
Between
pins 1&3
(ohms)
Between pins 4&7 (ohms)
0 0.8 1.0 1.6
10 2.5 2.7 3.3
20 4.2 4.4 5.0
30 5.9 6.1 6.7
40 7.6 7.8 8.4
50 9.3 9.5 10.1
60 11.0 11.2 11.8
70 12.7 12.9 13.5
80 14.4 14.6 15.2
90 16.1 16.3 16.9
100 17.8 18.0 18.6
200 34.8 35.0 35.6
300 51.8 52.0 52.6