SBE HighWire HW400c/2 User Manual

HighWire HW400c/2 User Reference Guide Rev 1.0

3.7 Hot Swap Support

The HW400c/2 complies with the PICMG 2.1 specification for full hot swap in
CompactPCI systems as defined by the PICMG 2.1 R2.0 specification. Hot swap
functions, such as power FET control, are provided by a Linear Technologies
LTC1664 Hot Swap Controller.

3.7.1 Hot Swap o

All signals to and from the CompactPCI backplane connectors J1 and J2 are
precharged to a voltage of 1.0V. This voltage is derived from the 3.3V early power
s

3.7.2 Hot Swap on J3

The Ethernet PSB sig

operation.

There are power pins assi
Section 3.4.5.1). The

the Hot Swap controller.

3.7.3 Hot Swap on J4

Signals to and from th J

ge of

0.7V. This voltage is

3.7.4 Hot Swap on J5

The J5 rear I/O signals ar

swap

considerations must b
the J5 rear I/O connector

n J1 and J2

ource.

nal on J3 do not require a precharge voltage for hot swap

gned to palces that would normally be User I/O on J3 (see

se pins are part of “late power” and are switched on and off by

recharged to a volta

de ived from the 3.3V early power source.

4 H.110 CT Bus connector are p

e not bussed on the backplane. Any special hot

e handled by the PTMC modules and/or RTM making use of

October 10, 2006

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