Optical Systems OSD1250, Руководство оператора

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OPTICAL SYSTEMS DESIGN
OSD1250 OPERATOR MANUAL
PAGE 16 DOC ID: 10106110
3 MAINTENANCE
The following section briefly outlines the faultfinding procedures for the OSD1250 modem. Please take note of the following:
Personnel without considerable technical training should not attempt any maintenance other than that outlined below.
If further maintenance is attempted than which is outlined below, you are warned that every care should be taken to ensure that
internal measurements made while the equipment is running are taken carefully. Some components are extremely expensive
and can be damaged by failure of any part of their support circuitry.
3.1 EXTERNAL INSPECTION
Visually check the following:
Inspect the optical connectors and give them a clean before reinsertion.
Check that the power wiring has been correctly terminated and that the correct power source has been selected.
Check that the data connector wiring has been correctly terminated, and the Master selection switch is set where required
Check that the status LEDs illuminate as expected in accordance with Table 4.
Check that the correct optical power levels are present at both receiver and transmitter ports.
3.2 ROUTINE MAINTENANCE
No routine maintenance is required for this equipment.