User's Guide Part 2

Test link end hardware Chapter 7 Troubleshooting
phn-0896_009v003
7-12
UNDER DEVELOPMENT
Feb 2010
6
Send 1000 ping packets of length 1500 bytes. The process will take 1000
seconds, which is approximately 17 minutes.
If the computer is running a Windows operating system, this is achieved by
typing:
ping –n 900 –l 1500 <ipaddress>
where <ipaddress> is the IP address of the PTP 600 ODU under test.
If the computer is running a MAC operating system, this is achieved by typing:
ping –c 900 –s 1492 <ipaddress>
where <ipaddress> is the IP address of the PTP 600 ODU under test.
7
Record how many Ping packets have been lost. This is reported by Command
Prompt on completion of the test.
The test has passed if the number of lost packets is less than 2.
Test resistance at the PIDU end of the drop cable
If the above procedures fail to diagnose the issue, there may be a fault in the wiring of
the drop cable that connects the ODU (or LPU) to the PIDU Plus. Perform this task to
test the resistances between the RJ45 pins.
Use the PTP drop cable tester (Figure 7-4) to make te
sing easier. This can be ordered
from http://www.motorola.com/ptp/support
by selecting Order Cable Tester and
completing the order form.