GE MiCOM P40 Technical Manual page 84

Chapter 3 - Hardware Design
Link Fail Connector (Ethernet Board Watchdog Relay)
Pin
1-2
2-3
LEDs
LED
Green Link
Yellow Activity
Optical Fibre Connectors (ST)
Connector
A
B
C
D
RJ45connector
Pin
1 TXP
2 TXN
3 RXP
4 -
5 -
6 RXN
7 -
8 -
52
Closed
Link fail Channel 1 (A)
Link fail Channel 2 (B)
Function
Link ok
SHP running
DHP
RXA RX1
TXA TX1
RXB RX2
TXB TX2
Signal name
Link ok Channel 1 (A)
Link ok Channel 2 (B)
On Off
Link broken
RSTP
RS
ES
RP
EP
Transmit (positive)
Transmit (negative)
Receive (positive)
Not used
Not used
Receive (negative)
Not used
Not used
Open
Flashing
PRP, RSTP or DHP traffic
SHP PRP
RXA
TXA
RXB
TXB
Signal definition
P446SV-TM-EN-1
P446SV