Motorola PTP 500 User Manual download pdf (Page 17)

Testing and Fault Finding (Troubleshooting)

Perform troubleshooting (fault finding) procedures either on a newly installed link, or on an

operational link if communication is lost.

When the link end hardware (PIDU, LPU, ODU and cabling) has been installed, start it by following

this procedure:

Step 1: Connect the RJ45 from the ODU (or LPU if fitted) to the PIDU and apply mains or

battery power to the PIDU. The green Power LED should illuminate continuously.

Step 2: After 30 seconds, the yellow Ethernet LED should be observed starting with 10 slow

flashes.

Step 3: Connect the RJ45 from the LAN port of the PIDU to the network. The yellow

Ethernet LED should blink randomly as traffic passes through.

If the Power and Ethernet LEDs do not illuminate correctly, test the link end as described in this

flowchart (references such as (*1) are to the tests on the following pages):

Start

Is the green

power LED

on solid?

Is the power

LED

flashing?

Did the

Ethernet

LED flash 10

times?

Is Ethernet

activity now

normal?

Is Ethernet

connection

1000 BaseT?

(*1) Power LED

is Off

(*2) Power LED

Flashes

Yes

(*3) Ethernet LED

did not Flash 10

Times

Yes

Is there any

Ethernet

activity?

(*5) Irregular

Ethernet

Activity

(*4) No

Ethernet

Activit

Yes

(*6) Connection is

not 1000 BaseT

(*7) Test RJ45

Resistance

Yes

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Motorola PTP 500 User Manual Page 17

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