Instruction manual

Model 2090 Multi-Device Controller

11. Reconnect all cables and power up the Model 2090.

After a moment, all of the indicators should flash and

then the firmware revision will be displayed in the left

display. The unit will then display

E001 error in the

left display indicating the NVRAM values have been

reset to the factory defaults. Refer to the list made in

step one, or the parameter settings in the “Model 2090

Parameter List” section, to make any necessary changes

based on your equipment configuration.

rrect

ockets (HI vs. LO) and orientation (notch indicating pin

Model 2090) and that all

M, or contact ETS for

ssistance. If the Model 2090 powers on normally but only

TROUBLESHOOTING

If your Model 2090 fails to function correctly, first check

all power and fiber connections. If the Model 2090 power

light comes on, but the display and indicators never flash

on or show the revision number, check that the SBC is

firmly seated, that the ROMs are installed in the co

one facing towards the front of the

IC pins are properly seated in their sockets. If the Model

2090 powers on and shows “

FLASH CODE” in the display,

this indicates that the Model 2090 is in bootstrap mode

awaiting a flash upgrade. Either the bootstrap code

detected invalid firmware upon power up, or there is a

problem with the Model 2090 front panel. Power the unit

off and back on to see if the problem persists. If so, you

can try downloading the flash upgrade file for the Model

2090 and restoring the corrupted RO

shows dashed lines (“

-----”) in the displays, insure that

the fiber optics to the device(s) are connected correctly

Revision G– P#399199