What are the key points for safety operation of communication equipment and household appliances?
Convergence layer equipment: ZTE 89 series, 32 series, can do 3 layers of switching equipment, access devices: including operators access devices and access terminals users;
Core layer devices: mainly high-end routing equipment, HUAWEI, ZTE, Alcatel have, can handle network layer more than 4 layers;
Communication equipment is divided into: 1. core layer equipment; 2 convergence layer equipment; 3. access layer equipment.
