[c-nsp] c6500 Low alarms on optics

[R S]

I have X2-10GB-SR on the c6500, on the opposite side of the fiber there are some firewalls.

But can these alarms trigger issues in traffic passing through ?

I'm asking since I'm experiencing some problems time to time.

Tks


> Date: Tue, 7 Jan 2014 14:02:32 +0100
> Subject: Re: [c-nsp] c6500 Low alarms on optics
> From: nsp at rhanssen.de
> To: dim0sal at hotmail.com
> CC: cisco-nsp at puck.nether.net
> 
> Hi,
> 
> what kind of optics is that ?
> 
> The readings rely on the optics used.
> Here an output of a system with some OEM LR optics and China DWDM:
> 
>                                            Optical   Optical
>            Temperature  Voltage  Current   Tx Power  Rx Power
> Port       (Celsius)    (Volts)  (mA)      (dBm)     (dBm)
> ---------  -----------  -------  --------  --------  --------
> Te4/1       -63.0 --    0.00      35.5      -1.3      -5.5
> Te4/2        26.1       0.00      26.1      -2.3      -7.1
> Te4/3       -30.2 --    0.00      41.6      -2.8      -4.1
> Te4/4        27.1       0.00      32.5      -2.1      -3.9
> Te8/1        62.5 +     0.00     101.6       2.1      -9.6
> Te8/2        87.2 ++    0.00      61.1      -1.2      -9.0
> Te8/3        35.4       0.00     159.8      -3.5      -1.8
> Te8/4       104.0 ++    0.00      67.8      -0.8      -3.0
> Te9/1        48.3       0.00      91.2       1.3     -11.0
> Te9/2        66.3 +     0.00      90.2       0.2      -6.7
> Te9/3        57.6       0.00      67.4       1.9     -14.8
> Te9/4        34.3       0.00     374.5       0.5 +   -16.2 --
> 
> I am quite sure the Xenpaks neither have -63 nor 104 degree Celsius. ;)
> 
> kind regards
> Rolf
> 
> > I saw some (--) low alarms (current mA) on my optics in intfs ten3/2, 4/2,
> > 4/7, 4/8, 7/1, 7/2, 7/12, 7/13, 7/16.
> >
> > I'm wondering if these alarms can cause any kind of problems.
> > Has anyone experience ?
> >
> > Tks
> >
> >
> > #sh inter transceiver
> > Transceiver monitoring is disabled for all interfaces.
> >
> > If device is externally calibrated, only calibrated values are printed.
> > ++ : high alarm, +  : high warning, -  : low warning, -- : low alarm.
> > NA or N/A: not applicable, Tx: transmit, Rx: receive.
> > mA: milliamperes, dBm: decibels (milliwatts).
> >
> >                                          Optical   Optical
> >             Temperature  Voltage  Current   Tx Power  Rx Power
> > Port        (Celsius)    (Volts)  (mA)      (dBm)     (dBm)
> > ----------  -----------  -------  --------  --------  --------
> > Te1/4         33.1       0.00      31.1      -2.2      -0.7
> > Te1/6         35.9       0.00      37.5      -2.1      -1.3
> > Te1/7         36.0       0.00      38.7      -2.1      -1.7
> > Te2/4         30.4       0.00      33.0      -2.1      -1.8
> > Te2/6         33.7       0.00      37.6      -2.1      -1.8
> > Te2/7         32.7       0.00      37.8      -2.5      -1.8
> > Te3/2         33.4       0.00       8.7 --   -2.1      -3.0
> > Te3/7         35.7       0.00      37.8      -2.4      -2.0
> > Te3/8         30.8       0.00      30.7      -2.5      -1.1
> > Te4/2         32.6       0.00       8.0 --   -2.7      -8.2
> > Te4/7         29.2       0.00       6.8 --   -2.9      -3.2
> > Te4/8         27.3       0.00       5.6 --   -2.8      -7.2
> > Te7/1         38.2       0.00       7.2 --   -3.8      -1.8
> > Te7/2         37.5       0.00       7.1 --   -3.7      -4.7
> > Te7/5         31.9       0.00      37.3      -2.3      -1.9
> > Te7/9         28.0       0.00      35.2      -2.0      -1.0
> > Te7/10        27.7       0.00      38.1      -2.1      -1.1
> > Te7/12        29.7       0.00       6.0 --   -2.1      -3.2
> > Te7/13        28.0       0.00       5.9 --   -2.5      -4.6
> > Te7/16        27.6       0.00       5.7 --   -1.8      -2.1
> >
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