Siemens CP 1623 Operating Instructions Manual page 10

Description of the device
LED display
The following graphic shows the front panel of the CP 1623 communications processor:
A
B
C
D
E
F
G
The table describes the LED displays that indicate the operating states:
Power/fault LED
2 LEDs in each port
(green and yellow)
10
Connecting socket for optional external power supply
Port 1
Port 2
Power/fault LED
2 port LEDs for port 1
2 port LEDs for port 2
LEDs for displaying the transmission speed of port 1 and port 2
LED Display
Off
Green
Red (flashing)
Green, off
•
Yellow, off
•
Green, on continuously
•
Yellow, off
•
Operating Instructions, 08/2016, C79000-G8976-C304-02
Description
No external power supply connected,
no fault
External power supply connected
Module fault
No cable connected.
Link exists, no data traffic
CP 1623