Contractor Series Dual LED Light Source
The Noyes CSS1-MM from AFL Telecommunications is a palm-sized, cost-effective dual
LED light source designed for performing insertion loss measurements on multimode
fiber optic links when used with an optical power meter. When paired with an optical fiber
identifier, the CSS1-MM may be used for fiber identification. The LED output is stabilized
to ensure accurate test results per current TIA/EIA requirements. Weighing only 0.4 lb, this
light source is ideal for field use.
•• Palm-sized, rugged, lightweight
•• Dual wavelengths from a single port
•• CW and modulated Tone
•• 270, 330, 1000, 2000 Hz Tone
•• Large LCD with backlight
•• Automatic power-off function
•• Battery gauge
•• Long battery life with AA alkaline
•• Free 50 µm and 62.5 µm mandrels
•• Cost-effective, easy to use
•• N.I.S.T traceable
•• Certify 50 or 62.5 µm multimode fiber
links for any 850 or 1300 nm application, including Gigabit Ethernet (GBE), per
TIA/EIA standards
•• Fiber identification prior to splicing
The CSS1-MM features 850 nm and 1300 nm LED output from a single output port and
is easy to operate. Each wavelength may be transmitted individually at CW or with user
selectable modulated Tone. The optical output port is equipped with a fixed SC connector.
A large LCD display with backlight shows emitted wavelengths [nm], tone frequency [Hz],
and indicates a low battery condition. The CSS1-MM offers a five-minute auto-off feature
and long battery life from common AA alkaline batteries.
The CSS1-MM is fully N.I.S.T. traceable.
CSS1-MM (single port)
Output wavelength
850 nm ±20 nm
1300 nm +40/-60 nm
Spectral width (max)
35 nm
170 nm
Output power
-20.0 dBm into 62.5/125 fiber
Emitter type
LED, Class I (IEC 60825 - 1)
Output stability
± 0.1 dB over 1 hour (after 30 sec typically)
± 0.15 dB over 8 hours (after 30 sec typically)
Tone output
270, 330, 1000, 2000 Hz
Output connector
2 x AA batteries
Battery life
30 hours typical
Operating temperature
-10 to 50°C, 90% RH (non-condensing)
Storage temperature
-30 to 60°C, 90% RH (non-condensing)
Size (H x W x D)
11.4 x 6.4 x 3.2 cm (4.5 x 2.5 x 1.3 in)
0.18 kg (0.4 lb)
All specifications at 25°C
Ordering Information
2 x AA batteries, user’s guide, and carry case.
Test & Inspection
© 2006-2007, AFL Telecommunications, all rights reserved. CSS1-01-2000 Revision B, 12.07.07
Specifications are subject to change without notice.
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