77HP GREENLEE TEXTRON, 77HP Datasheet - Page 64

• Manufacturer Part Number: 77HP
• Description: TONE TEST SET
• Manufacturer: GREENLEE TEXTRON

Specifications of 77HP

• External Height: 57mm
• External Width: 64mm
• External Depth: 32mm
• Lead Free Status / RoHS Status: na

286
= ReplacemenT paRT
Single Wavelength 650nm LED Source
MT-RJ Dual Channel LED Sources
= accessoRy
255mT
• Performs multimode insertion loss and link loss measurements when
• Stable, calibrated output.
• Proven, reliable and compact design.
• Easy to use; two buttons control all essential functions.
• Rubber boot protects against dropping.
• Rugged and splashproof.
• Nominal output into 200/230 is -15dBm.
• Continuous and modulated output modes.
• User-selectable auto shutoff.
• Two AA batteries provide power for over 24 hours.
• Optional AC power converter/adapter is available for prolonged
RequiresoneSnap-OnConnector(SOC)adapter(Seepages289and290).
• Test insertion loss of multimode MT-RJ fiber optic cables and
• Stable, calibrated output.
• Proven, reliable and compact design.
• Easy to use; two buttons control all essential functions.
• Rubber boot protects against dropping.
• Rugged and splashproof.
• 255MT model has a 1300nm wavelength.
• 257MT model has an 850nm wavelength.
• Nominal output for 62.5/125 is -20dBm for both 850nm and 1300nm.
• Continuous and alternating output modes.
• Fixed MT-RJ interface.
• User-selectable auto shutoff.
• Two AA batteries provide power for over 24 hours.
• Optional AC power converter/adapter is available for prolonged
Cat. No.
253B
90ACK
Cat. No.
255MT
257MT
90ACK
paired with an optical power meter for POF testing.
or benchtop use.
connectors, or pair with an optical power meter for link loss testing
of installed cable plants.
or benchtop use.
UPC No.
60531
60686
UPC No.
60533
60536
60686
DesCrIPtIoN
650nm LED Source
AC/Main Power Converter 120V (one required per handheld unit)
DesCrIPtIoN
MT-RJ Dual Channel LED Source 1300nm
MT-RJ Dual Channel LED Source 850nm
AC/Main Power Converter 120V (one required per handheld unit)
To accommodate other connector types, see
our SOC/UCI adapters on pages 289 and 290
and reference cables on page 293.
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