Pre-Power Testing For The Ptp 600 Series With T1/E1 - Motorola MOTOWI4 PTP 400 SERIES Technical Note

Pre-Power Testing for the PTP 600 Series with T1/e1

Pre-Power Testing for Motorola PTP 600 Series T1/e1 connections
Before plugging in the rJ45 to the Pidu Plus, check the following impedances at
the rJ45:
1.
check the cable resistance between pins  and 6 and pins  and 8 at the rJ45
against column  in the table.
2. check the cable resistance between pins 1 and  and pins 4 and 5 at the rJ45
against column  in the table.
caT-5 Resistance
length between pins 3&6,
meters and pins 7&8
0 0.8
10 2.5
20 4.2
30 5.9
40 7.6
50 9.3
60 11.0
70 12.7
80 14.4
90 16.1
100 17.8
Resistance
between pins 1&2,
and pins 4&5
1.3
3.0
4.7
6.4
8.2
9.8
11.5
13.2
14.9
16.6
18.3
1
Tech NoTe: LighTNiNg ProTecTioN guide
Resistance Table
referenced to the RJ45
at the PiDU Plus