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,

The manufacturer FirstFiber Technologies help customers create their own OTDRs with their OTDR core processing coding and powerful hardware design ability. They also sell their own OTDRs, the top 6 are listed as following,

1. FF-980REV (Mini Pro, 9-in-1)
2. FF-980EXP (All-in-1, 12-in-1)
3. FF-980MAS (Enhanced OTDR, 12-in-1)
4. FF-980EXT (new Enhanced OTDR, 9-in-1)
5. 8000MAX (High Accurate OTDR)
6. 990PRO (Standard OTDR, Splitter OTDR for Choice)

No. Because, mini OTDR shell size is too small to house both SM and MM lasers. And no enogh space to install two Connectors.

OTDR Customization wavelength, Dynamic Range (Testing Distance), etc is available from us. And we are happy to do any OEM service. We even can help customers create absolute new OTDRs if they like to have long business with us.

What is CPU and DDR configuaration of 980EXT OTDR?

CPU frequency 1GHz

DDR 1G

TF card 8G