NMU Network Management Unit for unified management
Network Management Interface NMU card panel Explanation： ① Equipment status indicator: P1(Power1), P2(Power2), RUN ② HD dual color LCD display screen ③ Operation keys ④ Ethernet communication interface ⑤ Micro USB equipment upgrade interface ⑥ Optical transceiver slot（Support 100/1000Mbps SFP） ⑦ Optical transceiver working status indicator [...]