Custom-Cal has a high success rate in repairing Agilent 81600B Tunable Laser modules. We stock a wide range of parts as well as complete units ready for sale or rental. We specialize in quick turnaround times and we can handle expedited deliveries upon request.
The Agilent 81600B, Option 130,140,150,160,132,142 & 201 Tunable Laser modules are back-loadable modules. They fit into the Agilent 8164A, 8164B Lightwave Measurement System and the Agilent 8166A, 8166B Lightwave Multichannel System.

Errors reported by 8164A, 8164B, 8166A and 8166B mainframes for Tunable Laser Sources.
  Initialization Test Errors:
Initialization Error (AttInitialize(), 1)
  Error during attenuator initialization. No ready message from attenuator DSP after reset
Initialization Error (AttInitialize(), 2)
  Error during attenuator initialization. No ready message from attenuator DSP after init motor
Initialization Error (AttInitialize(), 4)
  Error during attenuator initialization. No ready message from attenuator DSP after find index
Initialization Error (AttInitialize(), 8)
  Error during attenuator initialization. No ready message from attenuator DSP after move to min position)
Initialization Error (AttMovePos(zeroPos), 8))
  No ready message from attenuator DSP after moving to zero position taken from caldata
Initialization Error (CalData CRC wrong: crc1, stored: crc2!))
  The checksum stored in the caldata does not match the calculated checksum (crc1 = calculated checksum)
  The checksum stored in the caldata does not match the calculated checksum (crc2 = checksum read from caldata)
Initialization Error (Calibration Data Invalid, 0)
  The calibration data was tagged as invalid before it was loaded on to the module
Initialization Error (CalOptZeroMeas, 1)
  Error in optical zero measurement
Initialization Error (DspMainCalcKFactor failed, -1)
  DSP K factor calibration failed, no TCFS (according to caldata)
Initialization Error (DspMainCalcKFactor failed, 1)
  DSP K factor calibration failed, error when calibrating TCFS
Initialization Error (DspMainCalcKFactor failed, 2)
  DSP K factor calibration failed, DSP sweep failed
Initialization Error (DspMainCalcKFactor failed, 4)
  DSP K factor calibration failed, laser safety
Initialization Error (DspMainWriteCaldata(), 5)
  Error while writing cal data to DSP, tried to access invalid array position
Initialization Error (DspMainWriteCaldata(), 6)
  Error while writing cal data to DSP, wrong dimension
Initialization Error (DspMainWriteCaldata(), 7)
  Error while writing cal data to DSP, unknown type found in variable array
Initialization Error (DspMainWriteCaldata(), 8)
  Error while writing cal data to DSP, wrong parameter when trying to access one of the DSPs cal arrays
Initialization Error (Firmware CRC wrong: crc1, stored: crc2!)
  The checksum stored in the firmware does not match the calculated checksum (crc1 = calculated checksum)
  The checksum stored in the firmware does not match the calculated checksum (crc2 = checksum read from caldata)
Initialization Error (HwAccessInit, 1)
  Error setting DAC
Initialization Error (InitDacs, 1)
  Error setting DAC
Initialization Error (InstSettingInit, 2)
  Error creating semaphore
Initialization Error (LaserEEPROMInit, 1)
  Error reading laser EEPROM
Initialization Error (MainEEPROMInit, 1)
  Error reading main EEPROM
Initialization Error (MotorSelfCali failed, -1)
  Motor self calibration failed
Initialization Error (MotorZero, 1)
  DSP motor zero not finished in time
Initialization Error (OptZero, -1)
  Optical zero disabled in caldata
Initialization Error (OptZero Opc, 16)
  Timeout while waiting for laser diode (16) and thermopositioner (64) to settle while preparing optical zero measurement, waiting for laser diode
Initialization Error (OptZero Opc, 64)
  Timeout while waiting for laser diode (16) and thermopositioner (64) to settle while preparing optical zero measurement, waiting for thermopositioner
Initialization Error (TASK_TIMEOUT, id1))
  An init task has not finished in time (id1 = task name)
Initialization Error (TASK_VERIFY, id1, id2)
  A task could not be started (id1 = task name)
  A task could not be started (id2 = maximum available memory)
Initialization Error (Tcfs Amplifier Calibration failed, 0)
  The calibration of the tuning control feedback system amplifier has failed
Initialization Error (TcfsAdpEEPROMInit, 1)
  Error reading tuning control feedback system adapter board EEPROM
Initialization Error (TcfsEEPROMInit, 1)
  Error reading tuning control feedback system EEPROM
Initialization Error (Tcfs temperature not settled, 0)
  Temperature has not settled at the tuning control feedback system
Initialization Error (TmpCalDataInit, 1)
  Error accessing caldata
Initialization Error (UpPiezoEnable, 1)
  Over current

Selftest Errors:
Main Peltier Temp. Selftest Failed (13010)
  Peltier temperature is not in target range
Main Thermo Temp. Selftest Failed (13020)
  Thermopositioner is not in target temperature range
Main Peltier Curr. Selftest Failed (13050)
  Laser peltier current is above maximum value
TCFS Temp. Selftest Failed (15010)
  TCFS peltier temperature is not in target range
TCFS Resistor Selftest Failed (15021)
  Photodiode Rd in channel A is below limit
TCFS Resistor Selftest Failed (15022)
  Photodiode Rd in channel B is below limit
TCFS Resistor Selftest Failed (15023)
  Photodiode Rd in channel C is below limit
TCFS Attenuator Selftest Failed (15030)
  Attenuator could not be positioned
Main DC Selftest Failed (23011)
  +15V Measurement DC voltage not in limits
Main DC Selftest Failed (23012)
  -15V Measurement DC voltage not in limits
Main DC Selftest Failed (23013)
  +5V Reference DC voltage not in limits
Main DC Selftest Failed (23014)
  -5V Reference DC voltage not in limits
Main DC Selftest Failed (23015)
  negative supply voltage of laser current source not in limits
Main DC Selftest Failed (23016)
  positive pezo supply voltage not in limits
Main Temperature Selftest Failed (23021)
  internal temperature sensor above limit
Main Temperature Selftest Failed (23022)
  T_FIRE_DIODE is possibly not connected
Main Temperature Selftest Failed (23023)
  T_OPTIZ_DIODE is possibly not connected
Main Temperature Selftest Failed (23024)
  T_BASEPLATE is possibly not connected
Main Power Loop Selftest Failed (23051)
  power loop CW path failed
Main Power Loop Selftest Failed (23052)
  power loop modulation path failed
Main Power Loop Selftest Failed (23053)
  power loop regulator circuit failed
Main Shutter. Selftest Failed (23061))
  shutter 1 drive electronic failed
Main Shutter. Selftest Failed (23062))
  shutter 2 drive electronic failed
Main Laser Safety Selftest Failed (23071)
  test laser current not in limits
Main Laser Safety Selftest Failed (23072)
  current laser safety did not trigger at overcurrent
Main Piezo Amp. Selftest Failed (23091)
  piezo amplifier could not set to maximum voltage
Main Piezo Amp. Selftest Failed (23092)
  piezo amplifier could not set to minimum voltage
Main Cavity Motor Selftest Failed (23081)
  indicates an open motor connector
Main Cavity Motor Selftest Failed (23082)
  indicates that a motor coil is defect
Main Cavity Motor Selftest Failed (23083)
  indicates a short in a motor coil
TCFS DC Selftest Failed (25011)
  +10V measurement voltage on TCFS board not in limits
TCFS DC Selftest Failed (25012)
  -10V measurement voltage on TCFS board not in limits
TCFS DC Selftest Failed (25013)
  +5V reference voltage on TCFS board not in limits
TCFS DC Selftest Failed (25014)
  -5V reference voltage on TCFS board not in limits
TCFS DC Selftest Failed (25015)
  +2.5V reference voltage on TCFS board not in limits
TCFS DC Selftest Failed (25016)
  +5V attenuator encoder voltage on TCFS board not in limits
TCFS DC Selftest Failed (25017)
  +2.5V attenuator encoder voltage on TCFS board not in limits
TCFS Temperature Selftest Failed (25021)
  TCFS board temperature sensor U620 above limit
TCFS Temperature Selftest Failed (25022)
  TCFS case temperature sensor possibly not connected
TCFS Amp. Offset Selftest Failed (25031)
  TCFS Chan A offset not in limits
TCFS Amp. Offset Selftest Failed (25032)
  TCFS Chan B offset not in limits
TCFS Amp. Offset Selftest Failed (25033)
  TCFS Chan M offset not in limits
TCFS Amplifier Selftest Failed (25041)
  TCFS Hybrid amplifier offset could not be removed
TCFS Amplifier Selftest Failed (25042)
  One of the channels A, B or M failed during calibration
TCFS Adj. Cicuit Selftest Failed (25050)
  TCFS 20V adjust is not possible
TCFS Shutter Selftest Failed (25060)
  TCFS shutter driver electronic fails

Module Options:
071 Polarization-maintaining fiber, Panda-type, for straight contact connectors.
072 Polarization-maintaining fiber, Panda-type, for angled contact connectors.
Description of Model 
Tunable laser source with 2 outputs covers S, C and L Band.
  Output 1, the Low SSE output, delivers a signal with ultra-low source spontaneous emission (SSE). It enables accurate crosstalk measurement of DWDM components with many channels at narrow spacing. You can characterize steep notch filters such as Fiber Bragg Gratings by using this output and a power sensor module.
  Output 2, the High Power output, delivers a signal with high optical power. You can adjust the signal by more than 60 dB by using the built-in optical attenuator (standard).
• Wavelength Range: 1440 to 1640 nm
• Wavelength resolution: 0.1 pm, 12.5 MHz at 1550 nm
• Maximum sweep Speed: 80 nm/s)
• Absolute wavelength accuracy: ±10 pm, typ. ±3.6 pm
• Relative wavelength accuracy: ±5 pm, typ. ±2 pm
• Wavelength repeatability: ±0.8 pm, typ. ±0.5 pm
• Wavelength stability: <= ±1 pm (typ. 24 hrs at constant temp.)
• Output 1 Power: >= +3 dBm peak typ.
• Output 2 Power: >= +9 dBm peak typ.

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