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Table 737: LED descriptions for COM0031, COM0032 and COM0037
LED
Connector
Description
X1
X1
X1/LAN1 link status and activity
X2
X2
X2/LAN2 link status and activity
X3
X3
X3/LAN3 link status and activity
RX
X9
COM1 fiber-optic receive activity
TX
X9
COM1 fiber-optic transmit activity
13.4.7.1
COM0022 and COM0023 jumper locations and connections
The optional communication module COM0022 supports EIA-232/EIA-485 serial
communication (X6 connector). Only COM1 (X6 connector) is used for serial
communication.
Connector X5 on COM0022 is dedicated to IRIG-B.
Table 738: Configuration options of the communication port for COM0022
COM1 connector X6
EIA-232
EIA-485 2-wire
EIA-485 4-wire
The optional communication module COM0023 supports EIA-232/EIA-485 serial
communication (X6 connector), EIA-485 serial communication (X5 connector) and
optical ST serial communication (X12 connector).
Two independent communication ports are supported by COM0023. The two 2-wire
ports use COM1 and COM2. Alternatively, if only one 4-wire port is configured, it
uses COM2. The fibre-optic ST connection uses the COM1 port.
Table 739: Configuration options of the communication ports for COM0023
COM1 connector X6
COM2 connector X5 or X12
EIA-232
Optical ST (X12)
EIA-485 2-wire
EIA-485 2-wire (X5)
EIA-485 4-wire
EIA-485 4-wire (X5)
1MRS758755 C
Protection relay's physical connections
REC615 & RER615
Technical Manual
841
Содержание Relion REC615
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