WS-C4948 10GE - red staus LED

Hello
My Cisco switch, model WS-C4948 10GE, is looks like "dead". I tried to conect it by console  port but it dosen't work . (I have linked by RS-RJ cable to my PC with Putty terminal and there is nothing on terminal window). The LED's statuses of front panel are like below:
 PS1 - green
PS2 - green
FAN - green
Status - red
Interface  1-48 - off (after put in a cable, LED still off)
Interface  CON - off (after put in a cable, LED still off)
Interface  MGT - off (after put in a cable, LED still off)
When power is switching On Status LED on front is lighting red imidetly. Power supplay are wroking corectly, FAN's are working corectly.
Anybody had problem like this?

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