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"show hw-module subslot" output explanation

Hello All,

I need help on the explanation from "show hw-module" output for below particular section (bold) of the output. What does the output mean?

I try to search for document but couldn't find any. And from the command, how do I verify the operating distance that the SFP supported? i.e 10km/40km/80km and single-mode/multi-mode?

***** Section that need further explanation******

The transceiver type is 20 
 Link reach for 9u fiber (m)                = 1xFC, 2xFC-SM(10km) (100)
 Link reach for 50u fiber (m)              = SX(550/270m) (55)
                                                               LX(5km/550m) (55)
                                                               LX(10km/550m) (55)
Link reach for 62.5u fiber (m)            = LX(5km/550m) (55)
                                                                LX(10km/550m) (55)

Really appreciate you guys help!

#######"show hw-module" full output###########

router#show hw-module subslot 0/0 transceiver 12 idprom detail
IDPROM for transceiver TenGigabitEthernet0/0/12:
  Description                               = SFP or SFP+ optics (type 3)
  Transceiver Type:                         = GE LX (20)
  Product Identifier (PID)                  =
  Vendor Revision                           = 1.0
  Serial Number (SN)                        = H504950        
  Vendor Name                               = OEM            
  Vendor OUI (IEEE company ID)              = 00.00.00 (0)
  CLEI code                                 =
  Cisco part number                         =
  Device State                              = Enabled.
  Date code (yy/mm/dd)                 = 15/11/19
  Connector type                            = LC.
  Encoding                                    = 8B10B
                                                     NRZ
  Nominal bitrate                           = GE (1300 Mbits/s)
  Minimum bit rate as % of nominal bit rate = not specified
  Maximum bit rate as % of nominal bit rate = not specified
  The transceiver type is 20
  Link reach for 9u fiber (m)                = 1xFC, 2xFC-SM(10km) (100)
  Link reach for 50u fiber (m)              = SX(550/270m) (55)
                                                               LX(5km/550m) (55)
                                                               LX(10km/550m) (55)
  Link reach for 62.5u fiber (m)            = LX(5km/550m) (55)
                                                                LX(10km/550m) (55)
  Nominal laser wavelength                  = 1310 nm.
  DWDM wavelength fraction                = 1310.0  nm.
  Supported options                             = Tx disable
                                                                Tx fault signal
                                                                Loss of signal (standard implementation)
  Supported enhanced options                = Alarms for monitored parameters
                                                                  Software Rx LOS monitoring
  Diagnostic monitoring                     = Digital diagnostics supported
                                                            Diagnostics are internally calibrated
                                                            Rx power measured is "Average power"
  Transceiver temperature operating range   = -40 C to 85 C (industrial)
  Minimum operating temperature             = -1 C
  Maximum operating temperature             = -1 C
  High temperature alarm threshold          = +100.000 C
  High temperature warning threshold        = +90.000 C
  Low temperature warning threshold         =  -35.000 C
  Low temperature alarm threshold           =  -40.000 C
  High voltage alarm threshold              = 3570.0 mVolts
  High voltage warning threshold            = 3470.0 mVolts
  Low voltage warning threshold             = 3150.0 mVolts
  Low voltage alarm threshold               = 3130.0 mVolts
  High laser bias current alarm threshold   = 90.000 mAmps
  High laser bias current warning threshold = 85.000 mAmps
  Low laser bias current warning threshold  = 4.000 mAmps
  Low laser bias current alarm threshold    = 2.000 mAmps
  High transmit power alarm threshold       = -2.0 dBm
  High transmit power warning threshold     = -3.0 dBm
  Low transmit power warning threshold      = -9.0 dBm
  Low transmit power alarm threshold        = -10.0 dBm
  High receive power alarm threshold        = -2.0 dBm
  High receive power warning threshold      = -3.0 dBm
  Low receive power warning threshold       = -20.0 dBm
  Low receive power alarm threshold         = -21.0 dBm
  External Calibration: bias current slope  = 1.000
  External Calibration: bias current offset = 0

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Thank you and have a nice day!

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