Siemens SIMATIC NET CP 1623 - Page 10

Description of the device
CP 1623
10 Operating Instructions, 11/2022, C79000-G8976-C304-04
LED display
The following graphic shows the front panel of the CP 1623 communications processor:
A
Connecting socket for optional external power supply
B
Port 1
C
Port 2
D
Power/fault LED
E
2 port LEDs for port 1
F
2 port LEDs for port 2
G
LEDs for displaying the transmission speed of port 1 and port 2
The table describes the LED displays that indicate the operating states:
LED
Display
Description
Power/fault LED Off No external power supply
connected, no fault
Green
External power supply
connected
Red (flashing)
Module fault
2 LEDs in each port (green and
yellow)
• Green, off
• Yellow, off
No cable connected.
• Green, on continuously
• Yellow, off
Link exists, no data traffic