The problem is caused by power management chip broken. Users should use original power plug or USB cable to charge the OTDR. The problem can be solved by change a chip. Contact our technical support team tech@FirstFiber.cn to know how to change the chip. From April, 2024, we add overvoltage protection to avoid the problem.
| Instructions | |
| Model Number | Max 8 characters, no special characters allowed. |
| Logo | High Resolution. (.jpg, .bmp, .psd, .cdr, etc) |
| Boot Screen | 320x480 px, format .bmp, and color depth 16-bit |
| Language | Please contact sales to request the English version of the field list. |
| Model | Qty/Carton | Net Weight | Gross Weight | Size |
| FF-960 | 10 | 0.5 KG | 7 KG | 53x23x26cm |
| Model | Qty/Carton | Net Weight | Gross Weight | Size |
| FF-960 | 1 | 0.5 KG | 0.75 KG | 23x13x16cm |
