Esm Board Controls And Indicators - IBM EXP15 Hardware Maintenance Manual

ESM Board Controls and Indicators

Option Switches
Active LED
Lever
SCSI Bus 1 Connector
ESM Board FRU
Term Power LED
Power LED
LVD/SE LED
Note
SCSI Bus Connectors are 68-pin VHDCI connectors
used for attaching SCSI cables.
ESM Board LED Indications:
LED
Term Power (green)
LVD/SE (green)
Power (green)
Over Temp (amber)
Active (green)
10
IBM Netfinity EXP15, EXP200, EXP500 HMM
Tray Number Switch
Over Temp LED
Active LED
Lever
SCSI Bus 2 Connector
Term Power LED
LVD/SE LED
Description
LED is On if Term Power is
present, indicating that the
other end of the cable is
connected to a power-on
controller.
LED is On if the host bus is
in LVD mode (default is
LVD mode.)
LED is On when there is
power to the ESM board.
This LED is On if the
expansion unit overheats.
This LED flashes when
there is activity on the
external SCSI bus.