Siemens SIMATIC NET S7-1200 Compact Operating Instructions

Between ports of the same group, the requirements for Environment A are met. For example
between P1 and P2.
Note
Please note that the direct connection of two ports on the switch or accidental connection over
several switches causes an illegal loop. Such a loop can lead to network overload and network
failures.
Product characteristics
3.4 TP ports
Compact Switch Module CSM 1277
16 Compact Operating Instructions, 06/2022, A2B00079397-02

Siemens SIMATIC NET S7-1200 Specifications

General

Supply voltage	24 V DC
Protection class	IP20
Product type designation	S7-1200
Transfer rate	10/100 Mbit/s
Number of ports	4
Power consumption	2.5 W
Operating temperature	0 °C to 60 °C
Mounting type	DIN rail
Switching capacity	1 Gbps