ICX6610-48P Router#sh chass
The stack unit 1 chassis info:

Power supply 1 (AC - PoE) present, status ok
        Model Number:   23-0000142-02
        Serial Number:  3V1
        Firmware Ver:    B
Power supply 1 Fan Air Flow Direction:  Front to Back
Power supply 2 (AC - PoE) present, status ok
        Model Number:   23-0000142-02
        Serial Number:  2MF
        Firmware Ver:    B
Power supply 2 Fan Air Flow Direction:  Front to Back

Fan 1 ok, speed (auto): [[1]]<->2
Fan 2 ok, speed (auto): [[1]]<->2

Fan controlled temperature: 61.0 deg-C

Fan speed switching temperature thresholds:
                Speed 1: NM<----->76       deg-C
                Speed 2:       71<-----> 80 deg-C (shutdown)

Fan 1 Air Flow Direction:  Front to Back
Fan 2 Air Flow Direction:  Front to Back
MAC 1 Temperature Readings:
        Current temperature : 36.5 deg-C
MAC 2 Temperature Readings:
        Current temperature : 52.0 deg-C
CPU Temperature Readings:
        Current temperature : 61.0 deg-C
sensor A Temperature Readings:
        Current temperature : 30.0 deg-C
sensor B Temperature Readings:
        Current temperature : 46.5 deg-C
sensor C Temperature Readings:
        Current temperature : 36.5 deg-C
stacking card Temperature Readings:
        Current temperature : 51.5 deg-C
        Warning level.......: 77.0 deg-C
        Shutdown level......: 80.0 deg-C
Boot Prom MAC : 0192.0000.0000
Management MAC: 0192.0000.0000