CSM1277 以太网交换机，4 端口 6GK7 277-1AA10-0AA0
6GK7 277-1AA10-0AA0
COMPACT SWITCH MODULE CSM 1277 CONNECTION SIMATIC S7-1200 AND UP TO 3 ADDIT. DEVICES TO IND. ETHERNET W. 10/100 MBIT/S UNMANAGED SWITCH, 4 RJ45 PORTS, EXT. 24V DC POWER SUPPLY LED DIAGNOS., S7-1200 MODULE INCL. MANUAL ON CD