Article Number (Market Facing Number)：6GK72771AA100AA0 | 6GK72771AA100AA0
Product Description：Compact Switch Module CSM 1277 for connecting SIMATIC S7-1200 and up to 3 further nodes to Industrial Ethernet with 10/100 Mbit/s; unmanaged switch, 4 RJ45 ports, ext. 24 V DC power supply LED diagnostics, S7-1200 module incl. electronic Equipment Manual on CD-ROM.
Product family：CSM 1277 unmanaged
Product Lifecycle (PLM)：PM300:Active Product