sales@foscoconnect.com
(510) 319-9878
Silicon Valley, CA, USA
Overview
The FiberXP SPC-SM-STU-09 is a premium grade fixed optical attenuator designed for single mode fiber applications. Utilizing a Zirconia ferrule and doped attenuation fiber technology, this device provides precise signal level reduction for sensitive network equipment. It is engineered for dual-wavelength operation, supporting both 1310 nm and 1550 nm windows, making it an essential component for managing power levels in telecommunications, DWDM, and fiber amplifier installations.
Constructed for durability and consistent performance, this male-to-female ST/UPC attenuator offers high optical power endurance. The design ensures reliable operation in demanding environments, fully complying with Telcordia GR-910-CORE and GR-1221-CORE standards for quality and robustness.
Key Features
-
9 dB Attenuation
Provides precise, fixed signal attenuation for balancing power levels in fiber optic links. -
Dual Wavelength Operation
Optimized for performance at both 1310 nm and 1550 nm wavelengths. -
Zirconia Ferrule
Ensures precise alignment and long-term durability in high-cycle mating environments. -
High Power Endurance
Designed to maintain signal integrity in high-power optical systems, including fiber amplifiers. -
Standardized Compliance
Built to meet Telcordia GR-910-CORE and GR-1221-CORE industry standards. -
UPC Polish
Features Ultra Physical Contact polish for low back reflection in critical applications. -
Return Loss >55 dB
Minimizes signal reflections to support high-performance data transmission. -
Attenuation Accuracy of ± 0.7 dB
Delivers consistent and predictable signal reduction for network calibration.
Applications
- Telecommunications network equipment
- DWDM systems
- Fiber amplifiers
- Optical network power balancing
Technical Specifications
| Specification | Value |
|---|---|
| Model | SPC-SM-STU-09 |
| Part Number | 952X411 |
| Fiber Type | Single Mode |
| Attenuation Value | 9 dB |
| Connector Type | ST/UPC (Male-to-Female) |
| Operating Wavelength | 1310 nm / 1550 nm |
| Return Loss | >55 dB |
| Attenuation Accuracy | ± 0.7 dB |
| Ferrule Material | Zirconia |
| Compliance | Telcordia GR-910-CORE, GR-1221-CORE |
Frequently Asked Questions
What is the primary function of this attenuator?
The attenuator is used to reduce the power of an optical signal by a fixed amount (9 dB) to prevent receiver saturation in high-power fiber optic systems.
Is this compatible with both 1310nm and 1550nm systems?
Yes, this attenuator is specifically designed for dual-window usage at 1310 nm and 1550 nm.
What type of connector does this use?
It features an ST/UPC interface, configured as male-to-female for easy in-line installation.
Does this meet industry standards?
Yes, it is fully compliant with Telcordia GR-910-CORE and GR-1221-CORE standards.
What is the return loss specification?
The device provides a return loss of greater than 55 dB.

