Description
CP 1623
8
Operating Instructions (Compact), 02, A5E01175608
The table describes the LED displays that indicate the operating states:
LED
Appearance
Description
off
No external power supply
connected
green
External power supply
connected
Power/fault LED
red
Module fault
•
green, off
•
yellow, off
No cable connected
•
green, lit permanently
•
yellow, off
Link exists, no data traffic
2 LEDs in each port (green and
yellow)
•
green, lit permanently
•
yellow, flashing
•
Link exists,
sending/receiving data
off
•
10 Mbps
or
•
No cable connected
green, lit permanently
100 Mbps
LEDs for displaying data
transmission rate P1 and P
ports
yellow, lit permanently
1000 Mbps
External power supply
If an external power supply is connected via this socket (12 to 24 V DC), the CP 1623 can
also be operated as a 2-port switch even if the PC is turned off.