Table 6-4 Connection
Pin Signal Signal Description
1 ETH_TX_P Transmit Data +
2 ETH_TX_N Transmit Data -
3 ETH_RX_P Receive Data +
4 – –
5 – –
6 ETH_RX_N Receive Data -
7 – –
8 – –
Screen Shield potential
LEDs of the RJ45 Terminals – Integrated Ethernet Interface (Port J)
The light-emitting diodes (LEDs) signal the operating state of the communication link. The operating states are
explained in the following table:
Integrated Ethernet
Interface (RJ45)
Signal Color Operating Status
LED 1 ETH_LED1_N Yellow Continuously lit: 100 Mbit
Not lit: 10 Mbit
LED 2 ETH_LED0_N Green Flashing: Telegram reception
Continuously lit: No communication
Ethernet COM Link (Port K) (Available only for Modular Devices)
The Ethernet connection to the CB202 PCB assembly (plug-in module assembly with integrated power supply)
is realized using the RJ45 interface.
The RJ45 interface can be used exclusively for the connection of the CB202 module. This terminal is left
unused when no CB202 module is in use.
The light-emitting diodes (LEDs) signal the operating state of the communication connection. The operating
states are explained in the following table:
COM Link (RJ45)
Signal Color Operating State
LED 1 CL2_LED0_N Yellow Flashes when a communication module
is inserted in plug-in module position P
LED 2 CL3_LED0_N Green Flashes when a communication module
is inserted in plug-in module position N
Table 6-5 Connection
Pin Signal Signal Description
Siemens-specific assignment Connection using a special cable.
Is part of the device delivery.
Insulation class SELV (according to IEC 60255-27)
Plug-In Modules
You can find the Technical data for plug-in modules in chapter 4 Plug-In Modules.
Technical Data
6.6 Communication Interfaces
SIPROTEC 5, Hardware Description, Manual 201
C53000-G5040-C002-C, Edition 10.2017
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