CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1 
Operating Instructions, 01/2017, C79000-G8976-C426-03 
3 
This document contains information on the following modules: 
● 
 
Article number 
 
Hardware version 1 
Firmware version V1.0 
Communications processor for connecting a SIMATIC ET 200SP CPU to Industrial 
Ethernet 
● 
 
Article number 
 
Hardware version 1 
Firmware version V1.0 
Communications processor for connecting a SIMATIC ET 200SP CPU via Industrial 
Ethernet to a control room (TCSB, DNP3, IEC 60870-5-104) 
● 
 
Article number 
 
Hardware version 1 
Firmware version V1.0 
Communications processor for connecting a SIMATIC ET 200SP CPU to Industrial 
Ethernet, Security 
 
Figure 1  CP 1542SP-1 with plugged in bus adapter (here 2xRJ-45) 
On the front of the module at the right edge, the hardware version is printed as a placeholder 
"X". If the printed text is, for example, "X 2 3 4", "X" would be the placeholder for hardware 
product version 1.