Product overview 
  2.2 Operator controls and display elements 
Communication module CM 8x IO-Link + DI 4x24VDC M12-L (6ES7148-6JG00-0BB0 
Equipment Manual, 09/2020, A5E49284833-AA 
13 
2.2  Operator controls and display elements 
The following figure shows the operator controls and display elements of the CM 8xIO-Link + 
DI 4x24VDC M12-L communication module. 
 
PN/MF (LAN): Sockets for connecting PROFINET 
RN/NS: RUN/network status LED 
ER/MS: ERROR/module status LED 
MT/IO: MAINT/IO status LED 
PWR: LED display for load voltage 2L+ 
P1 LK: LINK port status LED 
P2 LK: LINK port status LED 
IO-L1 to IO-L8: LED indicators for channel status IO-Link 
DI0 to DI3: LED indicators for channel status digital input 
⑩ 
X10 to X13: Sockets for IO-Link port Class A and DI 
X14 to X17: Sockets for IO-Link port Class B 
X80: Connector for infeed of the supply voltages 
X81: Socket for loop-through of the supply voltages 
Figure 2-2  Operator controls and display elements