The VFL in OTDR FF-980REV is very week. How to solve it
The VFL in OTDR FF-980REV is very week. How to solve it? The problem was caused by broken VFL laser. VFL laser has to be changed.
Eric Yang - Technical Support
980EXT OTDR is stuck in the booting up… How to solve the problem?
980EXT OTDR is stuck in the booting up… How to solve the problem? Please press the OTDR’s physical power on/off button for at least 20 seconds until it displayed system update… Then, just wait, the OTDR itself can repair automantically. After it is done, OTDR will restart.
Why Launch Cable Is needed for OTDR Testing
Launch cable, sometimes is called launch box, fiber reel, or bare fibers. It is acturally a longer fiber jumper, but with much lower insertion loss of both cable and its connectors. When users measure fibers with OTDR, launch box is often used to 1. Protect bulkhead on OTDR from contaminated 2. Change connector type from … Read more
How to upgrade 980EXP OTDR
To upgrade your 980EXP OTDR by the method as below.0. turn on OTDR1. connect OTDR to your PC by USB cable that comes together with OTDR. (some USB cables is without data transimission function, just for power charging)2. you will see 2 new disc (like your C: disc/D: disc) on your computer3. Double click last Disc which … Read more
How to add Koren Language to the OTDR FF-960?
First of all, please let us know S/N number at back of OTDR. Then, our engineer will send you a software to add korean language. And then, follow these steps to upgrade your OTDR, 1) connect OTDR to PC with a USB cable2) copy upgrade software to the root of OTDR DISC3) disconnect from PC 4) … Read more
The solution of 980MAS OTDR some function not working
For some 980MAS OTDRs which is installed Korean language, some functions can not be controlled by physical buttons, but you still can use the OTDR as normal by touch screen. To solve the physical button problem, please download the new firmware and upgrade your OTDR by following steps, 1. Connect OTDR with PC by USB … Read more
FF-980REV OTDR curve is ok, but there is nothing in event list area
FF-980REV OTDR curve is ok, but there is nothing in event list area. What can I do? This issue should be caused by incorrect threshold value. Please reset all parameters to factory setting.
How to Test Splitters with Splitter OTDR?
It is difficult to test splitters by OTDR, especially to test high ratio splitters like 1: 64 or 1:128. Splitter is with high insertion loss, so OTDR users have to use large pulse width to process the test, because if no large pulse, there will very lower back-scattering signal comes back OTDR for analysis, but once … Read more
OTDR 2 Points 5 Points Analysis Methods
There are two ways to know exactly the loss at a point on an OTDR trace.In the two-point method, AB two spots are taken at both ends of this point, the closer it is to this point, the better. Finally, the point to be tested is selected to obtain the loss at this point.In the … Read more
8000MAX OTDR Optical Time Domain Reflectometer
A new comprehensive OTDR 8000MAX developed by FirstFiber bas been launched into market. And now we are looking for global distributors for the brand-new OTDR. Please contact us by email sales@firstfiber.cn if you have any OTDR sales experience. The 8000MAX OTDR is handy, lightweight and rugged enough for any outside plant environment. With a 5.6 inch outdoor-enhanced touchscreen, it delivers an … Read more