B
General Information
This appendix provides general system specifications and cabling
requirements for the Fast EtherWORKS/PMC Adapter module.
Physical Description
The PMC Adapter module is a PMC that uses the 32-bit PCI
bus connector. The module measures 149 mm by 74 mm, and is
constructed using four-layer circuit board technology with two signal
layers and two power/ground layers.
Functional Components
The PMC Adapter module consists of the following components:
•
Single low-profile RJ-45 connector that operates at either 10 Mb/s
or 100 Mb/s
•
DECchip 21140
•
Three LEDs that indicate speed, transmit and receive network
activity, and link status
•
Cable that connects the RJ-45 connector to the appropriate
Ethernet connector.
B–1
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