
Hardware Reference Manual
CP945FP-12 CompactPCI, RM945FP-12 VME, & RM948 With Embedded Layer 2
Switch, Front Input/Output
DDC No. Rx-URMH 122 Rev A
Issued 5 December 2003
13 of 18
4.2 RM948
Link/Activity LEDs
Each of the 12 ports (0 – 11) has an
associated set of Link/Activity LEDs. The
LEDs will illuminate when valid links are
detected. Until a valid link is present, no
activity can take place on a port.
A solid LED illumination indicates a valid
link, but no traffic. A blinking LED
indicates port activity—data traffic is on
the port when packets are received or
transmitted.
Parallel Port
The parallel port can be connected to a
PC parallel port.
The contents of the SROM can be
altered using the parallel port and a PC.
Connectors
8 RJ45 Copper ports
4 LC Fiber ports
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