DATACOM TECHNOLOGIES 50850 Rate Set Communication Line ET-2 Tester W-542

( Brand: Datacom Technologies ), ( Manufacturer Part Number: 50850 ), ( Part Type: Line Tester )

Review DATACOM TECHNOLOGIES Et-2 Rate Test Set Communication Line Tester

The **Datacom 50850 ET-2 Rate Set Communication Line Tester with W-542** is a high-performance, versatile diagnostic tool designed for technicians and engineers who require precise testing and troubleshooting of voice, data, and hybrid communication lines. This advanced tester is engineered to deliver accurate measurements and comprehensive analysis across a wide range of analog and digital transmission systems, making it an indispensable asset for field technicians, installers, and maintenance professionals. With its intuitive interface and robust functionality, the ET-2 excels in identifying line faults, signal integrity issues, and performance discrepancies in both copper-based and fiber-optic hybrid networks, ensuring optimal communication reliability. The integrated **W-542 Rate Set** module further enhances its capabilities by enabling detailed testing of digital signals, including T1, E1, and other structured rate sets, allowing users to verify bit error rates, signal levels, and framing integrity with ease. Whether assessing loop resistance, measuring signal attenuation, or diagnosing impedance mismatches, this tester provides real-time feedback through its high-resolution display and clear, actionable diagnostics, reducing downtime and improving network efficiency. Built to withstand the demands of professional fieldwork, the ET-2 is ruggedly constructed with durable materials, ensuring longevity and reliability in challenging environments. Its compact yet ergonomic design allows for easy portability, while its user-friendly controls and customizable settings streamline testing procedures, making it suitable for both experienced technicians and those new to communication line diagnostics. By combining cutting-edge technology with practical functionality, the **Datacom 50850 ET-2 with W-542** stands as a cornerstone tool for anyone tasked with maintaining, repairing, or optimizing modern communication infrastructure.

### **Pros and Cons of buying a Datacom 50850 ET-2 Rate Set Communication Line Tester (W-542)**

#### **Pros**

1. **Versatile Testing Capabilities** The ET-2 is designed for comprehensive testing of analog and digital communication lines, including voice, data, and signaling circuits. It supports loop testing, continuity checks, and impedance measurements, making it useful for troubleshooting in telecom, VoIP, and PBX systems.

2. **Wide Frequency Range** The unit covers a broad spectrum (typically 300 Hz to 4 kHz for voice and higher for data), allowing it to test both traditional analog lines and modern digital circuits.

3. **Portable and Field-Ready** Its compact, rugged design makes it suitable for on-site troubleshooting in offices, data centers, or remote locations. It does not require a power outlet, as it operates on batteries.

4. **Accurate and Reliable Measurements** The ET-2 provides precise readings for loop resistance, continuity, and signal levels, reducing human error in diagnostics.

5. **Compatibility with Various Systems** Works with standard telecom lines, analog PBX systems, VoIP extensions, and some data circuits, making it a flexible tool for IT and telecom technicians.

6. **Durable Construction** Built to withstand field conditions, with a sturdy casing and reliable internal components, ensuring long-term use.

7. **User-Friendly Interface** Features clear displays and straightforward controls, making it accessible for technicians with varying levels of experience.

8. **Cost-Effective for Small to Medium Workloads** While not as advanced as high-end test sets, it offers essential functionality at a lower price point compared to professional-grade diagnostic tools.

---

#### **Cons**

1. **Limited Advanced Features** Unlike modern digital test sets (e.g., Fluke or Extech models), the ET-2 lacks advanced capabilities such as spectrum analysis, protocol decoding, or automated logging. It is primarily analog-focused.

2. **No Digital or VoIP-Specific Testing** While it can test basic VoIP lines, it may not fully diagnose complex IP-based issues (e.g., SIP signaling, packet loss, or latency), which require specialized tools.

3. **Manual Operation** Some measurements require manual adjustments or interpretations, which can be time-consuming compared to automated testers.

4. **Battery-Dependent** Reliance on internal batteries means you must carry spares or charge it regularly, adding logistical overhead for field technicians.

5. **Outdated Technology** The ET-2 is an older model (discontinued by Datacom), meaning it may lack compatibility with newer telecom standards or emerging technologies (e.g., 5G, advanced VoIP protocols).

6. **Limited Data Logging** Unlike modern testers, it does not store or export test results digitally, requiring manual note-taking.

7. **Potential Parts Obsolescence** As a discontinued product, finding replacement parts or accessories (e.g., probes, cables) may become difficult over time.

8. **No Wi-Fi or Bluetooth Connectivity** Cannot connect to smartphones or computers for remote monitoring or data transfer, limiting integration with modern workflows.

---

### **Conclusion**

The **Datacom 50850 ET-2 Rate Set Communication Line Tester (W-542)** is a **practical, budget-friendly tool** for technicians who primarily work with **analog lines, basic VoIP, or simple telecom diagnostics**. Its portability, accuracy, and versatility make it a solid choice for **small businesses, IT support teams, or field technicians** who need a reliable, no-frills tester for routine troubleshooting.

However, if your work involves **advanced digital networks, VoIP deep dives, or high-frequency data testing**, you may find it **inadequate** compared to newer, more feature-rich testers. Additionally, since it is a **discontinued model**, long-term reliability and support could become concerns.

### **Recommendation**

- You need a **portable, analog-focused tester** for basic telecom or VoIP diagnostics.

- You work in a **small office or field environment** where simplicity and durability matter more than advanced features.

- You are on a **tight budget** and do not require cutting-edge functionality.

- You work with **modern digital networks, VoIP, or data circuits** requiring deeper analysis (e.g., Fluke Networks 3000 Series, Extech 380807, or similar professional testers).

- You need **automated logging, Wi-Fi connectivity, or spectrum analysis**.

- You want **long-term support and availability** of parts/updates (since the ET-2 is discontinued).

For most **modern telecom or IT environments**, investing in a **more advanced tester** (even if slightly more expensive) would likely provide **better long-term value**. However, if you specifically need a **basic, field-ready analog tester**, the ET-2 remains a **decent used or refurbished option**.

Details:

With the model number W-542, this rate test set offers accurate and reliable testing capabilities for ensuring smooth efficient communication systems. Great condition LS. Manufactured by Datacom Technologies, this product is specialized in detecting and measuring various communication line parameters.

part #: 50850 price

• $50.00

specifications tesmetequ:

• brand: Datacom Technologies
• mpn: 50850
• part type: Line Tester

returns tesmetequ:

• method: Money back
• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

general tesmetequ:

• Test, Measurement Inspection > Test Meters Detectors > Other Test Meters Detectors
• condition: Used

seller tesmetequ:

• city: Erie, Pennsylvania
• rating: 99.9%
• # reviews: 1956

offer tesmetequ:

• sold: 0
• availability: In Stock
• quantity: 1
• started: April 1, 2026
• options: Ship-to-home
• best offers: True

shipping tesmetequ:

• type: Fixed
• class: Standard
• cost: $0.00
• carrier: USPS
• transit: 3-8 Days
• service: USPS Ground Advantage

payments tesmetequ:

• wallet: Apple-pay
• credit card: Diners-club
• other

Datacom Technologies 50850 Is Similar To:

• X.21 Datacom Technologies Breakout Box (43.5% similar) It has some engraving marks, and other painting marks scuffs. We took pictures for each and every unit including the serial number exact specifications label, when available to ensure that you are getting what bid. Buyers may return this item if defective. We actually have the items in stock. 27 ...(June 24th, 2018)
• Datacom Technologies 54652 Fibercat P n 54651 Optical Loss Measuring Set (44.3% similar) No other parts or accessories are included. Please see the photos for more detail. Shipping, items are shipped via USPS or ups. As such, it is being sold as-is. Please refer to the pictures provided as they are a vital part of this listing and show more detail on condition item. Cosmetic condition, ...(March 15th, 2025)
• Triplett Poe1000il Lightly Used Power Panel Inline Poe Tester Datacom Ethernet (24.4% similar) Condition is used. Shipped with USPS ground advantage. Lightly used triplet power panel inline Poe tester POE1000IL Datacom Ethernet...(August 5th, 2025)
• Hp 37702a Digital Data Tester T1 Fractional Dds Datacom (17.9% similar) This tester combines multiple functions in one unit, making it a versatile and efficient choice for talcum diagnostics maintenance. Boer and error analysis. Dds / Datacom capability. Suitable for talcum, Datacom, and lab applications. Note that some are manufacturer-provided and may not precisely ...(September 19th, 2025)
• Hp 37701b Digital Data Tester T1 Fractional Dds Datacom (17.9% similar) Signaling bit control and capture. Voice frequency VF tones. Compatible with aim and B8ZS line coding. Operates up to 1.544 MB/s. Note that some are manufacturer-provided and may not precisely represent the items color, size, or style. Slot delay measurement and in-service/out-of-service terminal ...(October 9th, 2025)
• Hp 37732a Hewlett Packard Model Digital Telecom Datacom Tester (19.9% similar) Incorrect quantity. Buyer pays shipping, handling, and packaging. You are buying on a Hewlett Packard hp model 37732A digital talcum / Datacom tester. Incorrect item shipped. Powers on, I can't test. XS 13137 26A2. From normal wear...(October 27th, 2025)
• Hp 37722a Hewlett Packard Model Digital Telecom Datacom Tester (19.9% similar) Incorrect item shipped. From normal wear. Powers on, I can't test. You are buying on a Hewlett Packard hp model 37722A digital talcum / Datacom tester. Incorrect quantity. Buyer pays shipping, handling, and packaging. XS 13148 26A2...(November 12th, 2025)