Siemens SIMATIC NET System Manual page 345

Features
External power supply 24 VDC
Connection to Industrial Ethernet/PROFINET
Gigabit interface
● Suitable / available or according to the specified standard.
Functions
The device has the following functions:
● Display LEDs for diagnostics and for the status of the respective Industrial Ethernet ports
● 10/100 BaseTX
● Autosensing and autocrossover functions for automatic data detection
● Three further Industrial Ethernet interfaces (TP ports) are available for connecting
additional Ethernet nodes such as HMI panels or ET 200.
● The module can be exchanged without a programming device
● Fanless operation, a backup battery is unnecessary
Article numbers
Device
CSM 377
Industrial Ethernet
System Manual, 09/2019, C79000-G8976-C242-10
Description
Unmanaged switch for connecting a SIMATIC S7-300,
ET 200M and up to three further nodes to Industrial
Ethernet; 4x 10/100 Mbps RJ45 ports
Compact switch module
9.1 CSM 377
CSM 377
●
4 x RJ-45
-
Article number
6GK7377-1AA00-0AA0
345