PSTN Products

E1 Testers: 

GAO’s E1 testers are specialized devices used to test and troubleshoot E1 communication lines, which operate under the European E-carrier system (E1) for digital transmission. E1 circuits carry data at 2.048 Mbps and are commonly used for telecommunications, including voice, data, and video signals. These testers measure critical parameters such as signal integrity, jitter, error rates, and frame synchronization. By doing so, they help ensure the reliability and performance of E1 lines. 

GAO Tek E1 testers are widely employed in industries where high-quality, uninterrupted digital communication is crucial, such as telecom service providers, network operators, and IT infrastructure companies. Their primary applications include installation, maintenance, and diagnostics of E1 networks, often to verify compliance with ITU-T G.703, G.704, and G.823 standards. 

Alternative names for E1 testers include E1 analyzers, E1 line testers, and PCM (Pulse Code Modulation) testers. Some devices combine E1 and T1 (the North American counterpart) testing capabilities, often referred to as E1/T1 testers or dual-purpose transmission testers. These tools are critical in ensuring that E1 networks meet operational standards and performance benchmarks. 

Ethernet Testers: 

GAO’s Ethernet testers are specialized devices used to assess and troubleshoot Ethernet networks, ensuring that data transmission over these networks is functioning optimally. These testers evaluate the performance of Ethernet cables, connections, and network devices by measuring parameters such as throughput, latency, packet loss, and error rates. They also verify compliance with industry standards like IEEE 802.3, which governs Ethernet technologies. 

Common applications of GAO Tek Ethernet testers include the installation, maintenance, and diagnostics of both wired and wireless Ethernet networks. They are used in environments ranging from small business LANs (Local Area Networks) to large-scale enterprise networks and data centers. Technicians employ these testers to validate network configurations, identify faults, and optimize network performance. Ethernet testers are essential in detecting problems like cable faults, network congestion, or hardware issues. 

Alternative names for Ethernet testers include network testers, LAN testers, and ethernet analyzers. Depending on their capabilities, some may also be referred to as gigabit ethernet testers or multi-gig testers for high-speed networks. These devices are critical for ensuring that ethernet-based systems deliver reliable and high-speed data communication, whether for routine checks or troubleshooting complex network issues. 

Line Testers: 

GAO’s Line testers are devices used to assess the quality, integrity, and performance of various communication lines, such as telephone, broadband, or digital data lines. These testers measure critical parameters like signal strength, noise levels, continuity, and voltage. They help technicians identify faults like line shorts, breaks, or interference that could impact communication quality. Line testers often support multiple testing modes, such as tone generation, loopback testing, and impedance measurement. 

The primary applications of GAO Tek line testers include the installation, maintenance, and troubleshooting of communication lines in industries like telecommunications, broadband services, and IT infrastructure. These testers are essential for ensuring that lines meet operational standards and provide uninterrupted service. For instance, telephone line testers are used to verify voice transmission, while data line testers are employed to check digital circuits for accurate data flow. 

Alternative names for line testers include cable testers, continuity testers, and circuit testers. In specific cases, they might be referred to as telephone line testers, DSL testers, or network line analyzers, depending on the type of line they are testing. These versatile tools are critical for professionals tasked with maintaining reliable and high-performance communication systems. 

PSTN Network Analyzers: 

GAO’s PSTN (Public Switched Telephone Network) network analyzers are specialized devices used to test and monitor the performance of analog telephone networks. These analyzers assess key parameters like signal strength, call quality, line noise, and transmission errors to ensure reliable voice communication. They also check DTMF (Dual-Tone Multi-Frequency) signaling and pulse dialing for call routing and connectivity. PSTN network analyzers are essential for identifying faults, degradation, or performance issues in both local and long-distance telephone networks. 

Applications of GAO Tek PSTN network analyzers include installation, maintenance, and troubleshooting of traditional landline services, including voice and fax transmissions. Telecommunications providers, utility companies, and service technicians commonly use these tools to ensure that PSTN lines operate within the required standards, minimizing downtime and service disruption. These analyzers also play a role in testing VoIP (Voice over IP) systems that interconnect with PSTN networks. 

Alternative names for PSTN network analyzers include analog phone line analyzers, telephony analyzers, and voice network testers. In some contexts, they may also be referred to as POTS (Plain Old Telephone Service) testers, particularly when assessing older analog lines. These tools are critical for maintaining the performance and reliability of PSTN-based communication infrastructure. 

xDSL Testers: 

GAO’s xDSL testers are specialized devices used to evaluate and troubleshoot various types of Digital Subscriber Line (DSL) technologies, such as ADSL, VDSL, and SDSL. These testers assess the quality and performance of DSL connections by measuring parameters like signal-to-noise ratio (SNR), attenuation, bit error rate (BER), and sync rates. They help identify issues like line noise, interference, or wiring faults that can degrade service quality or cause connection failures. 

The primary applications of GAO Tek xDSL testers include the installation, maintenance, and optimization of broadband services provided over copper telephone lines. Telecom technicians use these devices to verify that DSL lines meet service provider specifications and offer adequate performance for internet, voice, and video services. xDSL testers are critical in troubleshooting slow connection speeds, intermittent connectivity, or customer service complaints in residential, commercial, and enterprise environments. 

Alternative names for xDSL testers include DSL analyzers, broadband testers, and DSL line testers. Depending on the type of DSL technology being tested, these devices may also be called ADSL, VDSL, or multi-DSL testers. They are essential tools for maintaining reliable high-speed internet access over traditional copper infrastructure. 

Working with its sister companies, GAO RFID Inc. and GAO Research Inc., and with our corporate partners, GAO Tek Inc. is offering a comprehensive selection of PSTN products. We have products in stock and ship overnight to most parts of the U.S. and Canada. We provide 24/7 support. If you have any questions, our technical experts can help you. Please fill out this form or email us.