FiberLabs EDFA-1550 Series Technisch paspoort - Pagina 19

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Technical passport / EDFA-1550

7.2 Instruments and Tools

1. An optical power meter;

2. A digital multimeter;

3. A standard optical fiber test jumper (FC/APC or SC/APC);

4. Some absolute alcohol and medical cotton wool.

7.3 Installation Steps

1. Before installing the equipment, please read the <User's manual> carefully and install the equipment

according to the <User's manual>. Note: For the man-made damage and other all consequence

caused by error installation that not according to the <User's manual>, we will not be responsible and

will not supply free warranty.

2. Take out the device from the box; fix it to the rack and reliably grounding. (The grounding resistance

must be < 4Ω).

3. Use the digital multimeter to check the supply voltage, make sure the supply voltage comply with the

requirements and the switch key is on the "OFF" position. Then connect the power supply.

4. Input the optical signal according to the display message. Turn the switch key to the "ON" position

and observe the front panel LED status. After the pump working status indicator turn into green, the

device is working normal. Then press the menu button on the front panel to check the working

parameters.

5. Connect the optical power meter to the optical signal output end by the standard optical fiber test

jumper, then measure the optical output power. Affirm the measured optical output power and the

displayed power are the same and have reached the nominal value. (Affirm the optical power meter is

on 1550nm wavelength test position; the optical fiber test jumper is the matched one and on the

connector surface has no pollution.) Remove the standard optical fiber test jumper and optical power

meter; connect the device to the network. So far, the device has been completely installed and

debugged.

8. Clean and maintenance method of the optical fiber active connector

In many times, we consider the decline of the optical power as the equipment faults, but actually it

may be caused by that the optical fiber connector was polluted by dust or dirt. Inspect the fiber connector,

component, or bulkhead with a fiberscope. If the connector is dirty, clean it with a cleaning technique

following these steps:

1. Turn off the device power supply and carefully pull off the optical fiber connector from the adapter.

2. Wash carefully with good quality lens wiping paper and medical absorbent alcohol cotton. If use the

medical absorbent alcohol cotton, still need to wait 1~2 minutes after wash, let the connector surface

dry in the air.

3. Cleaned optical connector should be connected to optical power meter to measure optical output

power to affirm whether it has been cleaned up.

4. When connect the cleaned optical connector back to adapter, should notice to make force appropriate

to avoid china tube in the adapter crack.

5. If the optical output power is not normal after cleaning, should pull off the adapter and clean the

other connector. If the optical power still low after cleaning, the adapter may be polluted, clean it.

(Note: Be carefully when pull off the adapter to avoid hurting inside fiber.)

6. Use compressed air or degrease alcohol cotton to wash the adapter carefully. When use compressed

air, the muzzle aims at china tube of the adapter, clean the china tube with compressed air. When use

degrease alcohol cotton, insert directions need be consistent, otherwise can't reach a good clean

effect.

12-2016-v4