LANTEK User Manual - Ideal Industries
LANTEK User Manual - Ideal Industries LANTEK User Manual - Ideal Industries
Chapter 6 Fiber Optics Diagnostics (TRACETEK) ‣ Here, a 45 m cable is tested with the MED Resolution mode. Although the length of the cable is correctly identified, there is so much power that the receiver is detecting echoes in the cable. Choosing the HIGH-Resolution mode should help. Figure G ‣ In the HIGH-Resolution mode the power output is decreased and the echoes are eliminated. Also that notice the dead-zones of the first and last events are noticeably narrower. Figure H Q3: Why is TRACETEK only available in 1300 nm modules? A3: Since TRACETEK does not make attenuation measurements, the reason for choosing a 1300 nm laser is based purely on performance. Multimode fiber has less than half the attenuation at 1300nm than it does at 850 nm. By using the 1300 nm laser, TRACETEK can be used to test much longer cables than it could with an 850 nm laser whose power attenuates very rapidly. Q4: Does TRACETEK support single mode testing? A4: Yes. TRACETEK is also available in a single mode kit with a 1310 nm laser. For single mode fibers the attenuation difference between 1310 nm and 1550 nm is small enough that there is no major performance gain obtained by operating at 1550 nm. In this case the 1310 nm laser helps make TRACETEK the most affordable solution for reflectance testing of single mode fiber. 6-12
Chapter 6 Fiber Optics Diagnostics (TRACETEK) Q5: If I lose my TRACETEK launch cable, do I need to replace it with a special one? A5: No, the included launch cable with TRACETEK is an ordinary FC-ST multimode or FC-FC single mode jumper. Any high-quality replacement jumper will work, and there is no calibration necessary. The length of the launch cable is only important in that its length is added to your distance measurements and keeping a conveniently short cable will minimize any offset in length measurements. TRACETEK utilizes a special technology that allows the use of very short launch cables, unlike an OTDR whose front-end dead zone may be 20-100 m long and require the use of very long launch cables. 6-13
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- Page 140 and 141: APPENDIX A SAFETY PRECAUTIONS HANDL
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Chapter 6<br />
Fiber Optics Diagnostics (TRACETEK)<br />
Q5: If I lose my TRACETEK launch cable, do I need to replace it with a special<br />
one?<br />
A5: No, the included launch cable with TRACETEK is an ordinary FC-ST multimode or<br />
FC-FC single mode jumper. Any high-quality replacement jumper will work, and there<br />
is no calibration necessary. The length of the launch cable is only important in that its<br />
length is added to your distance measurements and keeping a conveniently short<br />
cable will minimize any offset in length measurements. TRACETEK utilizes a special<br />
technology that allows the use of very short launch cables, unlike an OTDR whose<br />
front-end dead zone may be 20-100 m long and require the use of very long launch<br />
cables.<br />
6-13