PH-BS16 (PBI)

4.Lamp Indications

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

LAMP NAME

COLOR

STATE

 

 

 

ACT

Green

Remains lit while the CPU which controls this circuit card is in ACT state.

 

 

Red

Lights with PBI Make Busy switch and MB switch turned on.

 

 

 

 

OPE

Green

Lights when the CPU has accessed to this circuit card.

 

 

 

PWRALM

Red

Lights when the On-Board Power Supply equipped on this circuit card is faulty.

 

 

 

EQBY

Green

Remains lit while the circuit card is in equipment busy state.

 

 

 

 

Green

Remains lit while BUS No. 0 of this circuit card is data transmitting and receiving.

B-OPE0

 

 

Red

Lights when BUS No. 0 of this circuit card has been placed into make-busy state by

 

SP or PBI Make Busy switch has been turned on.

 

 

 

 

 

 

Green

Remains lit while BUS No. 1 of this circuit card is data transmitting and receiving.

B-OPE1

 

 

Red

Lights when BUS No. 1 of this circuit card has been placed into make-busy state by

 

SP or PBI Make Busy switch has been turned on.

 

 

 

 

 

TRBSY

Green

Lights when the send memory of this circuit card is busy.

 

 

 

RVBSY

Green

Lights when the receive memory of this circuit card is busy.

 

 

 

M-OPE

Green

Lights when the data have been received from M-BUS.

 

 

 

CHAPTER 4

NDA-24282

Page 92

Revision 1.0

Page 111
Image 111
NEC 2400IMX system manual Act, Pwralm, Eqby, OPE0, OPE1, Trbsy, Rvbsy