Indicators: Front Leds - Siemens SIMATIC NET CP 243-1 IT Technical Manual

Features and Functions
2.8

Indicators: Front LEDs

Fig. 4 Front with the LEDs
There are 5 LED indicators on the front.
LED Indicator
SF
LINK
RX/TX
RUN
44
Color
System error:
Red, continuously
On when an error has occurred
on
System error:
Red, flashing
Flashing (approx. once per second) when configura-
tion is incorrect or no BOOTP server could be found
Connection via the RJ45 interface:
Green, continu-
Ethernet connection is established.
ously on
Green, flickering Ethernet activity:
Data are received or sent via Ethernet.
Note:
A packet received via Ethernet must not always be
intended for the CP 243-1 IT. The CP 243-1 IT first
accepts all packets transmitted via Ethernet and
then decides whether the packet is intended for it-
self.
The RX/TX-LED flashes even when the Ethernet
cable is disconnected as soon as the CP 243-1 IT
attempts to send a packet.
Ready for operation:
Green, continu-
Meaning
CP 243-1 IT
J31069-D0429-U001-A0-7618
03/03