Latest test products.Hand-held SONET testing EVERYDAY SONET instrument delivers DSO See CSO. to OC-3c transmission and service verification. Sunrise Telecom has developed the optical SunSet OC-3 hand-held unit that offers the capabilities previously available only in heavy equipment. The SunSet OC-3 provides signal interfaces for DS1, DS3, DS0, STS-1, OC-1, OC-3, and OC-3c. This high bit-rate digital test set equips the field technician for BER (1) (Basic Encoding Rules) A set of encoding rules for ASN.1 notation, which is a method for defining data structures. See ASN.1. (2) (Bit Error Rate) The average number of bits transmitted in error. See BERT. 1. testing from 1.544 Mbps to 155.2 Mbps, full-duplex T1 testing, VF channelized Refers to an architecture that transmits data in channels. It often refers to the 64 Kbps channels in T1 lines, which were originally developed to handle digitized voice streams (TDM). See TDM. call set up and analysis, ISDN PRI, and GR-303 protocol analysis. Available in 3Q99, the SunSet OC-3 handles all the commonly required functions for installation, acceptance, and troubleshooting. At just three pounds, the set is easy to use for field work.--Sunrise Telecom Circle 313 for more information Broadband monitor COMBINE THE FUNCTIONALITY of DSX DSX Digital Cross Connect DSX Digital Signal Cross-Connect DSX Data Service Cross-connect DSX Digital Signal Level X with performance monitoring. ADC Telecommunications has designed the DSXPERT 2004 and 2005 remote test access systems for DS 1/E1 and DS3/E3 circuits. The DSXPERT line of products provides full-time performance monitoring, access to multiple test devices, point-and-click line testing, and local or remote management with a variety of user interfaces. DSXPERT features built-in jacks for convenience. From a central location, a technician can remotely connect DSXPERTtest equipment to the DS1 or DS3 line and perform functions for a fraction of the cost of a DCS (1) See also DSC. (2) Digital Cross-connect System) A network switching and grooming device used by telecom carriers. See digital cross-connect. product and without the expense of dispatching a technician to isolate a problem.--ADC Telecommunications, Inc. Circle 314 for more information LAN (Local Area Network) A communications network that serves users within a confined geographical area. The "clients" are the user's workstations typically running Windows, although Mac and Linux clients are also used. cable tester EXCEED TIA (1) (Telecommunications Industry Association, Arlington, VA, www.tiaonline.org) A membership organization founded in 1988 that sets telecommunications standards worldwide. It was originally an EIA working group that was spun off and merged with the U.S. draft level III specifications with the range and accuracy of this hand-held tester. Hewlett-Packard's WireScope 350 is a color-touch-screen device that allows cabling contractors and IS managers to certify commercial wiring infrastructure to current and emerging LAN performance standards. WireScope 350 also meets TIA and ISO (1) See ISO speed. (2) (International Organization for Standardization, Geneva, Switzerland, www.iso.ch) An organization that sets international standards, founded in 1946. The U.S. member body is ANSI. test standards for Category 5 and 5e, Gigabit Ethernet, and ATM. Projected to be available in the fall of 1999, WireScope 350 uses removable CompactFlash memory cards to provide the required storage of test results with detailed plot data.--Hewlett-Packard Co. Circle 315 for more information Fiber systems NOYES FIBER SYSTEMS has released the M600 mini-OTDR and the FTS FTS facteur thymique sérique. 2 fiberoptic talk set. The modular M600 can be configured for 850/1300 nm multimode, 1310/1550 nm single-mode, or four-wavelength testing applications. Modules are user installable. The standard mainframe includes a 7.7" color LCD display, floppy disk drive floppy disk drive - disk drive , and nonvolatile memory to store up to 50 traces. Pulse width and range can be set automatically for maximum ease of use or manually for maximum flexibility. Windows-compatible software is provided to view, analyze, and store traces on a PC. The FTS 2 is a rugged, field-portable talk set designed for fiberoptic voice communications over spare single-mode fibers. FTS 2 offers 45 dB range, full duplex, and hands-free operation.--Noyes Fiber Systems Circle 316 for more information ISDN ISDN in full Integrated Services Digital Network Digital telecommunications network that operates over standard copper telephone wires or other media. device INNOVATIVE TEST UNIT is designed for the analysis and monitoring of the S Bus, U interface, and PRI PRI: see Institutional Revolutionary party. (Primary Rate Interface) An ISDN service that provides 23 64 Kbps B (Bearer) channels and one 64 Kbps D (Data) channel (23B+D), which is equivalent to the 24 channels of a T1 line. . Aethra Telecommunications has produced the D2000 for skilled technicians and those with minimal ISDN knowledge. The D2000 allows the user to predefine and memorize the parameters for a complete set of tests that can be activated by pushing a button. Test results can be saved for an analysis off line. The D2000 shows all protocol information to ensure fast and easy troubleshooting. A "smart status" key has been designed to display the status and the feature the analyzer is performing. --Aethra Telecommunications Circle 317 for more information Compact footprint DELIVER REMOTE DIGITAL services testing to alternative carriers and enterprises. Hekimian's affordable Loop Transport Test System (LTTS LTTS Local Television Transmission Service LTTS Loop Transport Test System (Hekimian) LTTS Lead Time Tracking System LTTS Long Term Treatment Syndrome ) provides feature-rich testing for intelligent office repeaters, network interface units, and HDSL See DSL. HDSL - High bit-rate Digital Subscriber Line transport units. The LTTS is designed for cost-sensitive CLECs, CAPs, wireless carriers, ISPs, and private/campus networks. Hekimian's product extends the capabilities of loop transport systems to include integrated remote testing of high-capacity digital services. The LTTS occupies less than 6" of vertical space within a standard 23" rack, and when properly configured, supports two simultaneous DS1 test sessions or concurrent DS1 and logical testing.--Hekimian Laboratories Circle 318 for more information Professional set UTP UTP (uridine triphosphate): see uracil. (Unshielded Twisted Pair) See twisted pair. UTP - unshielded twisted pair , FTP FTP in full file transfer protocol Internet protocol that allows a computer to send files to or receive files from another computer. Like many Internet resources, FTP works by means of a client-server architecture; the user runs client software to connect to , AND COAXIAL tester is designed for LAN cabling and premise wiring. L-com's DXB DXB Drawing Interchange Binary (File Name Extension) DXB Dubai, United Arab Emirates - Dubai International Airport (Airport Code) 66 remote cable unit provides accurate measurement and testing of premise cabling and patch cords. The device verifies pairing in compliance with EIA/ TIA568 standards. The DXB66 also tests shield continuity of shielded RJ45 connectors used in European installations and noise-impacted areas. Coaxial cable, such as Ethernet 10Base-2 can also be tested. The DXB66's remote and master units separate for premise wire tests and reattach Re`at`tach´ v. t. 1. To attach again. for patch-cord testing.--L-com, Inc. Circle 319 for more information Hand-held LAN tester 300-MHZ, LEVEL III ACCURACY is available in LAN cable tester. Wavetek's LT 8600 exceeds the requirements for emerging Category 6/Class E standards, as its 300-MHz certification is 50 MHz higher than specified. The LT 8600 is a high-performance tester that has Level III accuracy, two-way return loss, power sum NEXT, ACR See riser card. & ELFEXT (Equal Level FEXT) A calculation that normalizes the results of a FEXT measurement, because it takes attenuation into account. It is derived by subtracting the attenuation of the interfering pair from the far end crosstalk (FEXT) that it has caused in the interfered , and identification of distance-to-fault tests. Wavetek allows an easy upgrade for LT 8600 with its investment protection program. Testing complex, multistandard cable installations is simplified by the unit's Autotest function and comprehensive graphical plots. The LT 8600 can store up to 1,500 test records, provides support for up to 15 different tests individually or in a test suite, supports multiple remote handsets, and with an optional kit can test single-mode and multimode fiber-optic cabling. --Wavetek Wandel Goltermann, Inc. Circle 320 for more information Automated troubleshooting IMPROVED TESTING EFFICIENCY is available for providers and users of T1 services. Fluke Corp. has developed the hand-held 635 QuickBERT-T1 test set for automated troubleshooting of T1 facility performance. After connecting the QuickBERT-T1, technicians can verify facility integrity, configuration parameters, and general performance. The unit tests DS1 bit error performance, frequency, and level. The set also indicates individual DSO signaling and VF performance. Test results and facility status are displayed on LEDs, and measurement results are accessed on the LCD screen.--Fluke Corp. Circle 321 for more information VoIP testing MEASURE THE DISTORTION of a speech signal when transmitting through various codecs and transmission media. Sage's 935AT and 923LTS LTS 1 Latent tetany syndrome, see there 2. Low-threshold spike–neurology are test instruments that deploy perceptual speech quality measurement (PSQM PSQM Perceptual Speech Quality Measure (voice quality analysis) PSQM Patient Safety and Quality Monitoring PSQM Progress in Supersymmetric Quantum Mechanics ). PSQM is an ITU standard that defines a method for estimating the subjective quality of voice-band speech codecs. PSQM can supplement or replace the mean opinion score (MOS) method of testing. Sage's 935AT is its flagship product deploying the PSQM function. In a single 935AT, a user can perform 35 tests including switch-based testing, traditional transmission impairment testing, and precision lab test functionality. The 923LTS is a robust hand-held instrument capable of providing field test personnel with a single installation, turn up, and troubleshooting tool.--Sage instruments Circle 330 for more information CDMA (Code Division Multiple Access) A method for transmitting simultaneous signals over a shared portion of the spectrum. The foremost application of CDMA is the digital cellular phone technology from QUALCOMM that operates in the 800 MHz band and 1.9 GHz PCS band. problem solver IDENTIFY TROUBLE AREAS and solve CDMA network problems directly in the field. LCC International has designed its portable OptimEyes-Direct product to allow engineers to troubleshoot problems due to pilot pollution, incorrect neighbor lists, handoff control thresholds, and search window sizes. The OptimEyes-Direct has a flexible user interface that enables complete customization of navigation plots, tables, charts, and graphs. Rewind and replay features permit engineers to explore problem areas without pausing collection. The OptimEyes-Direct tool is available for CDMA cellular and CDMA PCS.-LCC International, Inc. Circle 327 for more information WAN tester BIT ERROR RATE TESTER merges asynchronous Refers to events that are not synchronized, or coordinated, in time. The following are considered asynchronous operations. The interval between transmitting A and B is not the same as between B and C. The ability to initiate a transmission at either end. , synchronous, T1, and E1 performance measurements. TELINC Corp.'s WAN Tester is a compact, hand-held package that can test a wide variety of facilities and equipment including modems, multiplexers, CSU/DSUs, T1 ESF CSUs, DUs, NTUs, and TIUs at speeds from 50 bps to 2.048 Mbps. The WAN Tester is supplied with RS232, RS422/RS530, V. 35, X.21, DS1 (T1, 1.544 Mbps), and G.703 (E1, 2.048 Mbps)interfaces. It counts and displays bit errors, transmit and receive frequency, test seconds, bit error rate, and G.821 performance measurements.--TELINC Corp. Circle 322 for more information Reptilian portable ONE-WATT PORTABLE TRANSMITTER is used for indoor coverage testing. Berkeley Varitronics has designed its Lizard as a battery-powered continuous wave (CW) or modulated stimulus transmitter. The Lizard is ideal for LAN set up and evaluating network performance. In a typical application, one or more Lizards are placed throughout an area of interest and set on different channels. Then Lizard measures and records field strength using a Berkeley Varitronics portable signal-strength meter.--Berkeley Varitronics Systems, Inc. Circle 323 for more information Versatile cable tester HAND-HELD UNIT is capable of testing T568A, T568B, UCOC UCOC United Church of Christ (also seen as UCC) , 10Base-T, token ring, and TP-PMD (Twisted Pair-Physical Medium Dependent) An ANSI standard for an FDDI network that uses UTP instead of optical fiber. See CDDI. wiring configurations. Siemon's STM-8 can test 1 m (3') to 800m (2,950') of up to 4-pair UTP cable for opens, shorts, reversals, miswires, and split pairs. Multiple remotes allow one operator to quickly evaluate up to four different cable runs from one location. LCD segments represent a modular connector pin location. In "find" mode, the STM-8 unit will detect and identify the type of wiring scheme present in the cable being tested. Voltage protection allows the operator to withstand typical telephone-line voltages. A low-battery indication is provided, along with an automatic shut-off feature to extend battery life. --The Siemon Company Circle 328 for more information Optical fault locator DETECT FIBER BREAKS and terminations in single-mode and multimode fiberoptic cabling. Wilcom's Advanced Fiber Ranger uses a 1310 nm laser for short-to-intermediate-range applications. The dead zone is less than 30 meters, and its maximum range is beyond 20 kilometers. Featuring simplified controls that require no special training, the hand-held Advanced Fiber Ranger can detect up to seven events in less than 15 seconds from a cold start. This lightweight product can select the index of refraction Index of refraction A constant number for any material for any given color of light that is an indicator of the degree of the bending of the light caused by that material. Mentioned in: Eye Glasses and Contact Lenses so that accurate measurements in feet or meters can be obtained from different cable indices without additional calculations by the operator.--Wilcom, Inc. Circle 326 for more information Switched-network suite TROUBLESHOOTING SUITE includes Internet observer mode, new options for SNMP (Simple Network Management Protocol) A widely used network monitoring and control protocol. Data are passed from SNMP agents, which are hardware and/or software processes reporting activity in each network device (hub, router, bridge, etc. switch management, and RMON (Remote MONitoring) Enhancements to the management information base (MIB) structure used by the simple network management protocol (SNMP). In 1991, RMON added comprehensive network monitoring capabilities. triggers and alarms. Network Instruments has launched Observer 6. 1, a low-cost protocol analyzer, traffic manager, and expert troubleshooting suite. Observer 6.1 makes it possible for network administrators to monitor switches by bridging the gap between shared and switched networks. The Observer Suite uses three methods for switch management: port-looping with statistical sampling technology, RMON-console monitoring functionality, and SNMP-console monitoring functionality.--Network Instruments, LLC Circle 325 for more information LAN analyzer SHOMITI SYSTEMS has developed the Portable Surveyor, an affordable, feature-rich monitoring product targeted at field-service engineers, consultants, and network managers on the go. Portable Surveyor is a combination of hardware and software for CardBus-enabled laptops. The product consists of Shomiti's Windows-ba sed Surveyor and Expert software, plus a custom 10/100Base-T CardBus network interface and driver, that provides comprehensive error counters and the ability to capture errored packets. Other benefits of the Portable Surveyor include seven-layer protocol decodes of over 150 network protocols; robust template-based filtering anywhere in a packet; and powerful MAC, network, and application-layer statistics.--Shomiti Systems Circle 324 for more information NexGen emulator EVALUATE IP applications including VolP and thin client/server. Shunra Software has produced The Cloud Version 1.1 to turn any LAN into a WAN, enabling the user to test any application, in addition to providing real-time statistics for measuring QoS. This software allows the creation of a "worst-case scenario" in which a product can be tested for sporadic fragmentation, packet-reordering, link faults, and congestion The condition of a network when there is not enough bandwidth to support the current traffic load. congestion - When the offered load of a data communication path exceeds the capacity. . The Cloud uses the LAN infrastructure to introduce WAN parameters between the host network adapter and the Internet protocol stack, permitting the simulation of latency, data loss, and bandwidth conditions without the traffic leaving the user's location.--Shunra Software Circle 329 for more information |
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