NEC 2400IMX system manual Cpu Ope, Clka, Copa, Lana, Dmwe

PA-CP53 (CPU)

3.Face Layout of Lamps, Switches, and Connectors

The face layout of lamps, switches, and connectors of this circuit card is shown below.

SW1 SW0 SW2

CPU OPE

MBR

CLKA

COPA

LANA

DMWE

RESET

SENSE

4.Lamp Indications

The contents of lamp indications of this circuit card are shown in the table below.

LAMP NAME	COLOR	STATE
CPU OPE	Green	Remains lit while this circuit card is operating.
CLKA	Red	Lights when a microprocessor operating clock failure has occurred in this circuit
		card.
COPA	Red	Lights when a C-level infinite loop has occurred.
LANA	Yellow	Lights when a major failure has occurred in PA-CC98 card or when this circuit
		card is not connected with PA-CC98 card. Note
DMWE	Green	Remains lit when the data memory in this circuit card is in write enable state.

Note: When this circuit is used only as ACDP, PA-CC98 card is not used and thus this card is operating normally even if this lamp is lighting.

NDA-24282CHAPTER 4

Page 45

Revision 1.0