Condition: Used

This is the Viavi ONX-CATV-MODULE-ISDBT ISDB-T Expert module, sold as the module only — the ONX-620 or ONX-630 mainframe is not included and must be purchased separately. The module carries a VIAVI calibration sticker on the rear panel and serial number RRSD0014670211. The unit is in good used condition with light surface marks visible on the rear panel.

Included in the sale:
• 1x Viavi ONX-CATV-MODULE-ISDBT ISDB-T module

Please note that we have multiple units in stock, and the images presented are of one of them, therefore the cosmetic condition of the exact item you will receive may slightly differ.

The Viavi ONX-CATV-MODULE-ISDBT is an optional ISDB-T measurement module designed for use with the OneExpert CATV ONX-620 and ONX-630 signal analysis meter platforms. It enables field technicians to perform comprehensive ISDB-T digital broadcast signal measurements on cable television networks, primarily for the Japanese market. The module is field-exchangeable and connects via the proprietary module interface on the rear of the ONX mainframe.

The OneExpert CATV platform is a full-featured handheld test solution for technicians at any skill level. Its OneCheck automated testing and AutoChannel identification eliminate the need for manual channel plan configuration, enabling fast, accurate pass/fail assessments. The modular, future-proof design supports evolving CATV technologies including DOCSIS, WiFi, and sweep testing.

ISDB-T Module Specifications:
Frequency Range: 130–767 MHz
Frequency Resolution: 0.1 MHz
Channel Bandwidth: 6 MHz
Modulation Types (Auto Detection): DQPSK, QPSK, 16QAM, 64QAM
TMCC Parameters (Auto Detection): Mode, Guard Interval (GI), Layers
Lock Range: 45 to +110 dBuV (total integrated power)
MER Range: 33 dB
MER Accuracy: ±2 dB typical at 25°C
Pre-RS BER Range: 1E-2 to 1E-9
Post-RS BER: Pass/Fail
Constellation Channel Parameters: Modulation, GI, Segments, CCR, Mode, Interleaver
User Layer Selection: Channel Centre Frequency — Layer A, B, or C

Compatible Mainframes: Viavi ONX-620, Viavi ONX-630

Key Features:
- Real-time channel identification eliminates need for channel plans
- OneCheck automated testing with simple pass/fail dashboard
- Field-exchangeable module design for future-proof flexibility
- StrataSync cloud-enabled test result management
- Supports troubleshooting of QAM carriers and home networks
- Compatible with VIAVI's broader CATV ecosystem including sweep, ingress, and DOCSIS testing

Viavi OneExpert CATV ONX-620 / ONX-630 official datasheet — full technical specifications including ISDB-T module: Download PDF

Viavi OneExpert CATV ONX-620 / ONX-630 datasheet — specifications and features (AAATesters mirror): Download PDF

Viavi OneExpert CATV ONX-620 / ONX-630 user guide — sweep release v3.20.10: Download PDF

Viavi OneExpert CATV ONX-620 Extended Quick Start Guide — setup, operation, and configuration reference: Download PDF

Viavi OneExpert CATV ONX-630 Extended Quick Start Guide v5.5 — operation and configuration reference: Download PDF

Shipping & Returns Policy

Shipping Policy

• Processing Time: Orders are typically processed and dispatched within 1 business day.
• Shipping Methods: We offer Expedited Shipping to all destinations using UPS/DHL/Fedex/Royal Mail and other reputable carriers.
• Shipping Times: Mainland UK: 1-2 Business Days / Mainland Europe and USA: 2-3 Business Days / Rest of the World 5-7 Business Days.
• Shipping Costs: These are calculated at checkout based on the shipping method, destination and package dimensions.
• CUSTOMS AND TAXES: It is YOUR responsibility to liaise with customs in your country and ensure your package is cleared and any taxes are paid.
• Shipping Destinations: We ship worldwide.
• Tracking: Once your order is shipped, we will provide you with a tracking number via email.
• Insurance: All shipments are insured. In case of damage, please contact us via email within 48 hours of receiving the product with photographic evidence, please also ensure a report is logged with the delivery driver.

Returns Policy

• Return Period: In the event of an item being received which is not as specified, you can return your purchase within 14 days of delivery.
• Condition of Items: Items must be returned unused and in their original packaging.
• Return Method: All returns must be notified in writing to hello@ttinstruments.com, and the email should include the order number, date and reason for return within 14 days of delivery.
• Restocking Fees: A restocking fee of up-to 20% is applicable for items returned for any reason other than not as specified.
• Refund Method: Refunds are processed to the original method of payment within 5 business days of receiving the return.
• Exchanges: We do not offer exchanges. It will either be a replacement or a refund.
• Return Shipping Costs: Return shipping costs will be borne by the customer unless the item is not as specified, in which case we will arrange a prepaid return label.