Seagate ST32430N Especificações descarregar pdf (Página 34)

Hardware Description of LCN Node Processors – HMPU Processor and Associated Boards

32 Application ModuleX Service 12/01

Honeywell

LLCN indicator

description

The following table gives a description of the indicators on the LLCN

board. Reference the preceding diagram.

Table 3-4 LLCN Indicators

LED Description Suspected cause if abnormal

Self-Test/Error On to indicate a board self-test

error. Normally off.

LLCN

Pass module test On after board passes self-test.

Normally on.

LLCN

Bus Trans Error On to indicate a detected

backplane bus parity error.

Normally off.

LLCN, other board(s) in chassis,

or backplane

Tx Transmission on LCN from this

board is taking place. Normally

on or blinking rapidly (on a

loaded node).

LLCN, HMPU, or LCN cable

problems.

QMEM-X board

This board is used to provide additional memory for the HMPU node

processor. The 4 megaword version is required in the A

M with R500. A

total of 6 megawords of node processor memory is required to support

R500 (HMPU=2 + QMEM-4 = 4).

The memory size of any QMEM can quickly be determined by looking at

the last digit of the name on the left board extraction lever.

Example:

Table 3-5 QMEM Memory Capacities

Board name Memory capacity

QMEM-2 2 Megawords

QMEM-3 3 Megawords

QMEM-4 4 Megawords

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 153 154

Sem comentários

Seagate ST32430N Especificações Página 34