ABB Relion 620 Series

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Ethernet ports marked with LAN A and LAN B are used with redundant Ethernet

protocols HSR and PRP. The third port without the LAN A or LAN B label is an

interlink port which is used as a redundancy box connector with redundant Ethernet

protocols.

Table 1064: Station bus communication interfaces included in communication

modules

Module ID RJ-45 LC EIA-485 EIA-232 ST

COM0001 1 - - - -

COM0002 - 1 - - -

COM0003 - - 1 - -

COM0005 1 - - - -

COM0006 - 1 - - -

COM0007 - - 1 - -

COM0011 1 - 1 - -

COM0012 - 1 1 - -

COM0013 1 - 1 - -

COM0014 - 1 1 - -

COM0023 1 - 1 1 1

COM0031 3 - - - -

COM0032 1 2 - - 1

COM0033 3 - - - 1

COM0034 2 1 - - 1

COM0037 1 2 - - -

Table 1065: LED descriptions for COM0001-COM0014

LED Connector Description

X1 X1 X1/LAN link status and activity (RJ-45 and LC)

RX1 X5 COM2 2-wire/4-wire receiving activity

TX1 X5 COM2 2-wire/4-wire transmitting activity

RX2 X5 COM1 2-wire receiving activity

TX2 X5 COM1 2-wire transmitting activity

I-B X5 IRIG-B signal activity

Depending on the COM module and jumper configuration

1MRS757644 H IED physical connections

620 series

Technical Manual

1179

ABB Relion 620 Series - Page 1179