10/100BASE-T SFPLC to LC UPC Simplex OS2 Single Mode Fiber Optic Test Cable with 10dB Attenuator
Singapore high-density designs should assess this item together with panel access, cable routing and the complete optical loss allowance. LC to LC UPC Simplex OS2 Single Mode Fiber Optic Test Cable with 10dB Attenuator combines a precision fixed attenuator with a test-grade patch cord in one product. It exists for one recurring job: proving that a long-reach transceiver works at its specified receive level without deploying the full fiber pathway. Plug it between the loopback assembly and the test set, and the 10 dB element reproduces the channel loss the optics were designed to tolerate.
Product Highlights
- Standard Fixed Attenuation Value of 10dB
- Applied for CWDM, DWDM, Test Equipment, CATV Systems, Point to Point Systems, etc.
- Attenuating Material-ion Doped Fiber
- 1310/1550nm Wavelength Singlemode Attenuators
- Precision Polishing for Reduced Back Reflection
Specifications
| Attenuation | 10dB |
|---|---|
| Return Loss | ≥45dB |
| Operating Temperature Range | -25 to 70°C (-13 to 158°F) |
| Storage Temperature Range | -40 to 85°C (-40 to 185°F) |
| Application(1) | Specification(1) |
| Attenuation:15dB | Just what I needed, worked great. |
Why links need attenuation at all
Optical links are engineered with a power budget: the transmitter launches, the fiber and connectors consume, and the receiver expects what remains inside a defined window. Short routes, dense wavelength plans and high-power transmitters may all deliver too much light, and an overloaded receiver distorts exactly like an overloaded amplifier - errors appear on a channel that tests perfectly on loss alone. A fixed attenuator brings the received power back inside the window, and the channel behaves as designed.
Ion-doped fiber as the attenuating element
The cleanest way to attenuate light is to absorb it inside the fiber itself. Ion-doped fiber attenuators do exactly that: a short section of doped glass absorbs a calibrated fraction of the optical power and converts it to negligible heat. Because the attenuation happens inside the core, the light that emerges keeps its mode profile and the device adds virtually no reflectance. The alternatives - air gaps, offsets and misaligned ferrules - all trade loss against reflections and modal noise, which is why precision attenuators abandoned them. In Singapore facilities, this check should form part of the rack-access and acceptance review.
Attenuator test cables for transceiver qualification
Long-reach transceivers are specified to work over tens of kilometers of fiber; the test bench has none. The attenuator test cable reproduces the pathway loss in a one-meter product: a calibrated 10 dB element sits inline between two LC connectors, and the loopback assembly under test sees exactly the receive level it would see at the end of the designed channel. Loop the transmitter back through this optical cable, and the full operating range is verified before the loopback assembly ever leaves the lab.
Attenuation in testing and calibration
Beyond live links, attenuators are the reference instruments of the fiber lab. Receiver sensitivity is measured by adding loss until errors appear; power meters are calibrated against known attenuation figures; a new transceiver type is qualified across its receive range before rollout. Fixed attenuators feature the stable reference points, and variable attenuators sweep the range between them. Both must hold their rated rating over wavelength and temperature, which is what separates a calibrated device from a decorative one.
Handling and cleaning attenuators
An attenuator is a connector with optics inside, and connector rules apply: keep the caps on until the moment of mating, clean every end face before insertion, and never mate a contaminated ferrule into the device - the dirt transfers to the attenuator end face and the next connector that touches it. Store spare units capped and bagged, and record which channel each existing unit serves so replacement orders match the original rating.
Selecting the right attenuator
Four decisions define the order: the attenuation rating must correspond to the channel calculation, this connector interface range must correspond to the port or the leads, the polish grade must correspond to the plant, and the body style - plug or inline - must suit the deployment. Fixed figures cover permanent installations; the variable instruments cover testing; the test cable covers transceiver qualification. Getting all four right at order time is what turns a small component into a dependable part of the channel.
Quality Assurance and Factory Testing
Every attenuator is optically verified before packing: the attenuation rating is measured at the operating wavelengths and checked against its rated tolerance, return loss is verified to its polish grade, and this connector interface end faces are inspected for scratches and contamination. Units ship capped and bagged.
Quotation and Factory Support
Refer to this attenuator by attenuation rating, connector range, polish grade and body style during the request for a quotation. For figures or configurations outside the listed options - non-standard dB figures, mixed connector pairings or project packaging - send the requirement with the enquiry and the factory will review the manufacturable specification. Singapore and regional project orders can be reviewed for interface compatibility, packing details and delivery coordination.
