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Th 153242
Th 153242

The MY3127 highly integrated 10GBase-LX4 interconnect IC for enterprise networks is a standardized solution for 300 m on the installed base of multimode fiber required for wiring closet vertical-riser 10-Gbit/sec transmission. It is suited for XENPAK and X2 optical LX4 modules, integrating XENPAK multisource-agreement registers and advanced digital optical monitoring capabilities. Featuring low-power dissipation, the IC has a signal quality indicator for real time performance and power consumption optimization.
Mysticom Semiconductor, Mountain View, CA, www.mysticom.comTh 153248

For cable TV and other applications requiring analog transmission of signals in optical fiber, the ML-COAX-1310-FP-AL-3 coaxial fiber-pigtail module with 1310-nm MQW Fabry-Perot diode laser is based on a proprietary MOCVD- and MBE-grown epitaxial structure. The laser operates with 3-mW out-of-fiber optical power with 40-mA typical forward current. It is available with or without an isolator; with the isolator, minimum optical isolation is better than 30 dB. The ML-COAX-1310-DFB-AL-3 coaxial fiber-pigtail module with 1310-nm DFB diode laser is composed on an equally robust MQW core design for reliable and high-performance operation over the entire lifecycle. It has a minimum side-mode suppression ratio of 35 dB and typical wavelength temperature coefficient of 0.08 nm/°C.
Modulight, Tampere, Finland, www.modulight.com

For mission-critical fiber-optic networks, the TC3820 1000Base-SX/LX redundant ring Gigabit Ethernet switch is highly reliable. If a fiber cable or device failure occurs, the data path automatically ..switches over to the secondary path within 250 msec to maintain ring-network integrity. Available with SNMP management, the switch provides six 10/100-Mbit/sec copper ports and 2-Gbit/sec fiber ports. It can be daisy-chained, supports distances between switches up to 100 km, and comes in multimode or singlemode versions (1300/1550 nm). For extreme environments, it comes in industrial-hardened, rugged, or outdoor versions that exceed all pertinent environmental and temperature specifications (–40° to +80°C). The switch is compliant with IEEE 802.3, 802.3u, 802.3x, and 802.z standards.
TC Communications, Irvine, CA, www.tccomm.comTh 153244

The Universal Service Card for the SN 16000 intelligent optical switch enables a variety of interface types, port speeds, and transport options in a single line card. ..The fully modular architecture allows network operators to adopt a pay-as-you-grow approach to scaling their network to accommodate growing and changing service demands. Network operators can add ports and services simply and nondisruptively—when and where needed. The architecture can support up to four separate line interface modules per line card with a broad range of service reach options via pluggable optics: short-, intermediate-, and long-reach as well as DWDM optics. Interface options include SONET/SDH (OC-48/STM-16 and OC-192/STM-64) or Ethernet (1/10-Gigabit Ethernet), both of which support standards-based virtual concatenation, generic framing procedure, and link capacity adjustment scheme.
Sycamore Networks, Chelmsford, MA, www.sycamorenet.com Th 153245

The TSL-210H high-power tunable laser uses semiconductor-laser and optical-coating technology and emits over 40 mW of optical power over its entire 1520-1580-nm tuning range. It can eliminate ..the need for subsequent amplification in many applications, especially DWDM systems and EDFA testing. The laser comes with a fine-tuning function, variable coherence control, and RS-232C and GPIB interfaces.
Santec, Komaki, Japan, www.santec.com

The MBC-LN modulator bias controllers stabilize the working point of lithium niobate external Mach-Zehnder modulators by monitoring the bias voltage applied on the dc electrodes of the devices. They use digital signal processing based on an original FFT principle to allow easy change of the dithering frequency of the tone signal to adapt to a variety of applications. The controllers can lock any modulator at the following points of its transfer function: MIN or MAX for pulse generation and QUAD+ or QUAD- for analog or digital transmissions. They are available as benchtop turnkey units and OEM boards for integration in systems.
Photline Technologies, Marcoussis, France, www.photline.comTh 153246

For the installation and maintenance of enterprise networks, the FiberBasix handheld testers accurately and simply measure signal attenuation in private optical networks. An easy-to-use interface ensures error-free testing. Instruments include the highly versatile EOT-100 optical loss test set, which combines a power ..meter and light source in a single unit; ELS-100 light source, which can measure three singlemode or two multimode wavelengths; and EPM-100 power meter, which provides referencing capabilities. They can be configured for testing passive optical networks in fiber to the premises deployments.
EXFO Electro-Optical Engineering, Quebec City, www.exfo.com

The ITU-T G.709 Optical Transport Network standard tester with forward error correction at 10 Gbits/sec provides comprehensive data and control plane testing for next-generation optical networks. The universal load module can test G.709 network elements containing 10-Gigabit Ethernet (10-GbE) LAN,10-GbE WAN, or OC-192 packet over SONET interfaces. It can operate with G.709 switched on or off, has the ability to insert correctable and uncorrectable errors, and includes several new G.709-specific statistics. The module supports the company's application software and routing protocol emulations.
Ixia, Calabasas, CA, www.ixiacom.com Th 153247

For OEM and laboratory applications, the MFA motorized miniature translation stages deliver high-resolution linear motion in a very compact package (20×45×140 mm). They provide 25-mm travel range, 100-nm minimum .. incremental motion, and repeatability of 300 nm (unidirectional). Tapped screw holes are arranged for easy mounting and to permit simple assembly of multi-axis motion systems. The modular stages feature all-steel construction to yield stiffness and high load capacity. Dual linear ball bearings ensure smooth and accurate linear travel with minimal pitch and yaw errors. High-resolution (100-nm) precision motion is achieved due to a dc motor/rotary encoder driver integrated within the stage. A stepper motor version is available for less demanding applications.
Newport Corp., Irvine, CA, www.newport.com/mfarelease

Using the Fibre Split patch panel, existing live fibers need not be disturbed when new fiber cables are introduced. This approach involves splitting each 1U patch panel into two independent 0.5U trays, while maintaining the highest possible packing density of 48 ports per U (LC and MT-RJ) and 24 ports (SC duplex). During initial installation, only one tray is cabled and terminated, leaving the other half spare for later expansion capacity. When additional fiber cables need to be terminated, the second 24-port slide-out tray can be worked on without any movement or disturbance on the live tray, completely removing the chance of live fiber breakages. The steel unit contains cable and fiber storage and management for controlling bend radii and avoiding fiber breakages for pulled fiber cables and blown fiber tubes. If needed, the two 24-port 0.5U trays can be fitted with different fiber adapters. It is even possible to use one tray for external singlemode cables and the other for internal multimode cables. Each tray is fitted with internal covers that ensure technicians working on the adapter area cannot accidentally access the splice/storage compartment.
Krone Group/ADC, Minneapolis, www.krone.com

Using technology licensed from British Telecommunications, the Sirocco blown fiber system for enterprise networks, local access, and fiber to the premises applications enables optical fibers to be deployed on demand from one point of a network to another (internal or external). The system consists of enhanced-performance singlemode and multimode fiber units in a range of fiber counts, tube cables of varying amounts and sizes for outdoor and indoor, installation equipment such as compressors and regulators, and accessories such as tube connectors, tube distribution units, and splicing joints. Customers install a tube cable and make connections of individual tubes to create pathways. If the type or quantity of fiber needed at a particular location changes, the fiber unit can be removed and a new unit blown in. The removed fiber unit can be reused elsewhere. New pathways can be added to extend the network using simple push-fit connectors.
Pirelli Cables and Systems North America, Lexington, SC, www.pirelli.com

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