Pin Mnemonic Signal Name Description
17 PAR_IN_L Peripheral Input
Low Set low by the host to select
peripheral device for forward
channel transfer.Set high to
indicate bus direction is from
peripheral to host.
18 Signal ground Signal ground
19 Signal ground Signal ground
20 Signal ground Signal ground
21 Signal ground Signal ground
22 Signal ground Signal ground
23 Signal ground Signal ground
24 Signal ground Signal ground
25 Signal ground Signal ground
A.6 Reference for the Media IndependentInterface (MII) Connector

The media independent interface (MII) connector is located on the main logic board

back panel.

A.6.1 MII Connector Diagram

242 Sun Enterprise 220R Server Service Manual January 2000, Revision A