3
BOARD CONNECTIONS
V01009
Figure 1: Board connectors
IRIG-B Connector
Available as a modulated or demodulated input. Centre connection, signal. Outer connection, Earth.
Link Fail Connector (Watchdog Relay)
Pin
1-2
2-3
LEDs
LED
Green
Link
Yellow
Activity
Optical Fibre Connectors
Uses 1300 nm multi mode 100BaseFx and ST connectors.
Connector
DHP
A
RXA
B
TXA
C
RXB
D
TXB
Px4x-REB-TM-EN-6
Closed
Link fail Channel 1 (A)
Link fail Channel 2 (B)
Function
Link ok
SHP running
RSTP
RX1
TX1
RX2
TX2
IRIG-B
Pin3
Pin 2
Pin 1
Link channel
A (green LED)
Activity channel
A (yellow LED)
C
D
Link ok Channel 1 (A)
Link ok Channel 2 (B)
On
Off
Link broken
SHP
RS
ES
RP
EP
Chapter 3 - Hardware Design
Link Fail
connector
Link channel B
(green LED)
Activity channel B
(yellow LED)
A
B
Open
Flashing
PRP, RSTP, HSR or DHP
traffic
PRP
HSR
RXA
RXA
TXA
TXA
RXB
RXB
TXB
TXB
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