GE P4A Technical Manual page 83

P54A/B/C/E
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 -
P54xMED-TM-EN-1
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
Chapter 3 - Hardware Design
Open
Flashing
PRP, RSTP or DHP traffic
SHP PRP
RXA
TXA
RXB
TXB
Signal definition
57