Motorola LM100 Operations Instructions download pdf (Page 46)

GX2-LM1000E* Installation and Operation Manual

Section 5

Troubleshooting

This section provides troubleshooting procedures for the GX2-LM1000E*. You can use the

procedures to correct minor problems or better define the malfunction. If the error condition

cannot be corrected, contact the TRC at 1-888-944-HELP (1-888-944-4357). Before you call,

record the input signal levels, optical output power, operating mode(s), and ambient

temperature. This information is most useful to the TRC and repair facility in troubleshooting

and repairing your GX2-LM1000E*.

The GX2-LM1000E* is a self-contained unit; therefore, when a problem is diagnosed within the

module, the entire GX2-LM1000E* must be returned for repair. See Section 1, “Introduction” for

information on equipment return.

Using the Status LED

Table 5-1 lists the troubleshooting checks you can perform using the STATUS LED only. It is

assumed that an SDU, network management system, or local access port are not available. If

these additional options are available, this table can be used in conjunction with Table 5-2.

To use Table 5-1, identify the symptom and then perform the checks in the order listed under

that symptom. For example:

 If the front-panel

STATUS LED is yellow, indicating a minor alarm, go to the yellow column.

 Find

c and perform that check (Verify SC/APC connector . . .).

 Continue performing all checks in the yellow column, in the order given, to help identify the

cause of the minor alarm and if possible, fix the problem.

Table 5-1

Troubleshooting using the status LED only

Symptom

Status LED Indication

Flashing

Red

Red Yellow Not Lit

Poor RF

Response

Corrective Action

Microprocessor boot up failure. Reseat the

GX2-LM1000E* in the GX2-HSG* slot or in a

known good slot. If still flashing red, return the

GX2-LM1000E* for repair.

Check the STATUS LEDs on other GX2 application

modules in the GX2-HSG*. If they are not lit, verify

that AC power is applied to the system.

Check the STATUS LEDs on other GX2 application

modules in the GX2-HSG*. If they are also red, a

possible GX2 system-powering problem may exist.

Perform the following checks before contacting

the TRC.

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