ADLINK PMC-8246 - Manual (Page 15)

Introduction 3
PMC-8246
X Ethernet Ports
Z Connector: Two RJ-45
Z Wiring: Cat-5, 4-pair
Z Cable Distance: Maximum 100 meters (normal mode) or
40 meters (bypass mode)
X Bypass Capability and Watchdog Timer
Z A relay array controls signal routing of the two GbE ports
Z Normal State: GbE signals are straight-through to GbE
controller
Z Bypass State: GbE signals are connected to another port
and bypass the GbE controller
Z Power off status is Bypass State
Z Programmable watchdog timer (WDT) can switch relay
array to Bypass State during a software halt
Z WDT time out value is programmable as 1, 2, 4, or 8
seconds by software programmable
Z WDT time out value is defaulted 8 seconds by hardwired
and programmable as 1, 2, 4, or 8 seconds by software.
X Ethernet LED
Z For each port, two LEDs for Link/Active indication
X Boot ROM Feature
Z LAN Boot ROM: 128KB onboard
Z Support INTEL Preboot Execution Environment (PXE)
for remote boot