The CP 343-1 Lean offers all the advantages of SIMATIC S7-300 system design:

• Compact design;
  the rugged plastic casing features on the front:
  • Two RJ45 sockets for connecting to Industrial Ethernet with automatic detection of transmission rate by means of autosensing;
    RJ45 sockets have an industry-compatible design with additional retaining collars for connection of IE FC RJ45 Plug 145/180
  • Diagnostic LEDs for each switch port
  • 2-pin plug-in terminal strip for connection of the 24 V DC external supply voltage
• Easy installation;
  The CP 343-1 Lean is snap-mounted on the S7-300 DIN rail and connected to adjacent modules through the bus connectors. There are no slot rules.
• The CP 343-1 Lean can be operated without a fan. A standby battery is not required.
• In combination with IM 360/361, CP 343-1 Lean can also be used in an expansion rack (ER).