General Troubleshooting Procedures
77
l
Resistances for each pair must be within 1 ohm of each other.
l
Check the resistance between pins 1&3 and 4&7 at the RJ45. Check against columns 3 and 4 in
Table 8
.
l
Ensure that there is greater than 100K ohms between pins 1&8 for all cable lengths.
l
Ensure that there is greater than 100K ohms between pins 1&8 for all cable lengths.
It is useful to record the following information in the event of a requirement to contact Cambium
Networks Support or to identify changes in the installation at a later period:
l
IP Address
l
Link name
l
MAC Address
l
Measured resistance between pins (such as for the following):
l
1&2
l
3&6
l
4&5
l
7&8
l
1&3
l
4&7
l
1&8
l
1&ODU Ground
l
8&ODU Ground
Figure 58:
Identifying pin 1
Figure 59
shows the flow chart to check the resistance for the BTS data cable.
Note
The cable numbering in
Figure 59
(for example, cable 3) is used with reference to
Figure 51
(for better understanding).
