GE MiCOM P40 Agile Technical Manual page 79

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P14x
This is a communications board that provides a standard 100-Base Ethernet interface. This board supports one
electrical copper connection and one fibre-pair connection.
There are several variants for this board as follows:
100 Mbps Ethernet board
100 Mbps Ethernet with on-board modulated IRIG-B input
100 Mbps Ethernet with on-board unmodulated IRIG-B input
Two of the variants provide an IRIG-B interface. IRIG-B provides a timing reference for the unit – one board for
modulated IRIG-B and one for demodulated. The IRIG B signal is connected to the board with a BNC connector.
The Ethernet and other connection details are described below:
IRIG-B Connector
Centre connection: Signal
Outer connection: Earth
LEDs
LED
Green
Link
Yellow
Activity
Optical Fibre Connectors
Rx
Tx
RJ45connector
Pin
1
TXP
2
TXN
3
RXP
4
-
5
-
6
RXN
7
-
8
-
P14xEd1-TM-EN-1
Function
Link ok
Connector
Signal name
On
Off
Link broken
Receive
Transmit
Transmit (positive)
Transmit (negative)
Receive (positive)
Not used
Not used
Receive (negative)
Not used
Not used
Chapter 3 - Hardware Design
Flashing
Traffic
Function
Signal definition
53

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