VIAVI OLA-54/55/55M

Regulowany tłumik optyczny

VIAVI OLA-54/55/55M
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VIAVI OLA-54/55/55M
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Opis produktu VIAVI OLA-54/55/55M

VIAVI SmartClass™ OLA-54 and OLA-55

Optical Level Attenuator

JDSU SmartClass optical handhelds go beyond the basics

With more than 100,000 optical handhelds already in use, JDSU continues the success story with the SmartClass optical handhelds. The SmartClass help yournetwork move to the next level of performance. JDSU SmartClass optical handhelds encompass a new, intelligent, and next level product line for testing all optical signals and systems, including broadband, PONs, and Gigabit Ethernet.

All of SmartClass optical handhelds provide:

  • An extended number of calibration wavelengths for the highest performance range in the
  • The intuitive graphical user interface for fast, easy, and straightforward
  • The intelligent power supply management •
  • The belt bag for safe and hands-free operation and transport
  • Traceable measurements to international standards for confidence in
  • A robust, shock-proof, and splash-proof design for field operation
  • Quick start operation, requiring no warm-up time and reducing testing

The SmartClass OLA-54 (optical level attenuator) is designed for multimode fiber systems (50/125 μm fiber).

The SmartClass OLA-55 (optical level attenuator) is a future-proof instrument for system testing, installation, maintenance, and production of single-mode fibers. Due to minimized differential group delay (DGD), the OLA-55 is also suitable for 40 Gbps systems.

Key features

  • 50/125 μm multimode fiber design (SmartClass OLA-54)
  • Ready for 40 Gbps systems (SmartClass OLA-55)
  • New optical design allowing for low minimum insertion loss
  • Wheel for precise and fast manual setting
  • Absolute and relative attenuation setting
  • FTTx ready

Przenośne optyczne tłumiki regulowane VIAVI OLA-54/55/55M

Specyfikacja techniczna

SmartClass OLA-54

BN 2280/41 Multimode

SmartClass OLA-55

BN 2280/01 Single-mode

BN 2280/21 Single-mode APC

Adjustable wavelength range750 to 1350 nm in 1 nm increments1260 to 1650 nm in 1 nm increments
Fiber type50/125 µm9/125 µm
Calibrated wavelengths  850 nm, 1300 nm1310 nm, 1550 nm, 1625 nm
Display range(1)<2.5 to 55 dB2.0 to 60 dB
Minimum insertion loss(1)<2.5 dB<2.0 dB
Linearity± 0.2± 0.2
Repeatability of attenuation setting(2)± 0.1 dB± 0.1 dB
Total attenuation accuracy(1)typ. ± 0.8 dB± 0.8 dB
Setting typeContinuous over the entire rangeContinuous over the entire range
Displayed value(1)Absolute or relative attenuation valueAbsolute or relative attenuation value
Max. permitted level+20 dBm+23 dBm


General data
Illuminated graphical display, resolution of 128 × 64 dots.
Results displayed in dB
Backlight function switchable via a separate key
Optical connector interchangeable adapter from BN 2150/00.xx
range is suitable for measurements on flat or angled physical
contact systems
Power supply
Four dry batteries Mignon/AA, 1.5 V or
NiMH rechargeable cells Mignon/AA, 1.2 V
Operating time from dry batteries >300 h
Batteries/NiCd/NiMH power saving: The instrument switches
off automatically after ~20 min (function can be disabled)
AC line operation via separate AC adapter
Integrated fast battery charging function (2 hours)
External 12 V DC operating via an AC adapter or a 12 V car
battery adapter
Electromagnetic compatibility
Corresponds to IEC 61326 (CE conformance)
Suggested calibration interval 3 years
Ambient temperature
Nominal range of use −10°C to +55°C
Storage and transport −40°C to +70°C
Dimensions and Weight
W × H × D approximately 95 × 60 × 195 mm
(3.74 × 2.36 × 7.68 in)
Weight approximately 500 g (1.1 lb)

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    VIAVI OLA-54/55/55M