Seagate ST32430N Dokumentacja Pobierz pdf (Strona 21)

Hardware Description of LCN Node Processors – K2LCN-X Node Processor

12/01 Application ModuleX Service 19

Honeywell

Indicator

description

The following table provides descriptions of the indicators on the

K2LCN board. Reference the preceding diagrams.

Table 3-1 K2LCN Board Indicators

LED Description Suspected cause if abnormal

Self-Test Pass On after board passes self-test.

Normally on.

K2LCN

TX On when transmitting on the

LCN. Normally on or flashing

rapidly.

K2LCN

RST/PWR fail On when a reset operation

caused by the reset button or

power on is in progress.

Normally off.

K2LCN

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

error. Normally off.

K2LCN

Data Compare Error On to indicate an on-board data

compare error. Normally off.

K2LCN

DTAK Time Out On to indicate a Data Transfer

Acknowledge failure. Normally

off.

K2LCN

BGAK Time Out On to indicate a Bus Grant

Acknowledge failure. Normally

off.

K2LCN or other board(s) in

chassis

Data Parity Error On to indicate an on-board data

parity error. Normally off.

K2LCN

Bus Error On to indicate a detected

backplane bus parity error.

Normally off.

K2LCN, other board(s) in

chassis, or backplane

EDAC Single-Bit Error On to indicate a single-bit

(correctable) RAM error.

Normally off.

K2LCN

EDAC Multiple-Bit Error On to indicate a multiple-bit

(uncorrectable) RAM error.

Normally off.

K2LCN

LCN Transaction Error On to indicate communication

problems with the LCN. Normally

off.

K2LCN or CLCN A/B (LCN I/O)

LCN network

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 153 154

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