At the job site, construction workers cannot wear casual shoes, slippers, and sandals.

The OceanStor V3 series of next-generation storage products support 240v high-voltage DC input.

Which is the most important purpose of wearing safety shoes when climbing a tower?

All new partners must first interview the corresponding project manager and product line technical leader before entering the area, and sign the safety production commitment letter, the network safety behavior red line commitment letter, and receive the supervision certificate before entering the area, new employees do not allow to operate the existing network equipment.

Which statement is correct about the working principle of the FTTx key technology PON?